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FLEXIBLE FLAT CABLE STRUCTURE CAPABLE OF IMPROVING CROSSTALK INTERFERENCE

A flexible flat cable structure capable of improving crosstalk interference includes plural telecommunication signal conductors separated from one another and provided for transmitting differential signals, two support members installed on two lateral sides of the telecommunication signal conductor respectively, at least one filled material disposed between the telecommunication signal conductors. The ratio of the equivalent dielectric constant of the filled material to the equivalent dielectric constant of the support members falls within a range of 0.39˜0.27, and the ratio of the thickness of the filled material to the thickness of the support members falls within a range of 1.49˜1.37. Therefore, the flexible flat cable structure achieves the effects of reducing the time delay of the signal transmission of the flexible flat cable (FFC), suppressing the ringing noise of resonance, and improving the eye height of amplitude measurement, so as to suppress crosstalk interference and improve signal transmission quality effectively.




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Connector for a Unified Power and Data Cable

In one implementation, a device includes: one or more data terminals, where each of the one or more data terminals provides a respective mating interface between a respective data transmission path and a corresponding device data port; a first power terminal having a power portion and a ground portion separated by a dielectric, where the ground portion is arranged in association with the one or more data terminals in order to shield the one or more data terminals from electromagnetic interference from the power portion, and where the first power terminal provides a respective mating interface between a respective power transmission path and a corresponding device power port; and a support member provided to maintain the arrangement of the one or more data terminals in combination with the first power terminal.




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High Speed Socket Connector

A high speed socket connector is disclosed in this invention, including a case, a terminal mould, an upper shield and a lower shield. The terminal mould includes an insulative body, a row of upper terminals and a row of lower terminals. The insulative body forms multiple first openings and second openings. The upper terminals and the lower terminals both include multiple differential pairs of signal terminals and multiple grounding terminals. Each signal terminal has a serpentine retaining section exposed in the corresponding first opening. Each grounding terminal has a straight retaining section exposed in the corresponding second opening. The upper shield and the lower shield are respectively mounted on the top and the bottom of the terminal mould. The high speed socket connector can realize a good shielding effect by the connection of the upper and lower shields and the grounding terminals.




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HIGH DENSITY ELECTRICAL CONNECTOR WITH SHIELD PLATE LOUVERS

An electrical assembly has a lead frame with a plurality of elongated conductor sets and an insulative housing. Each conductor set has two differential signal pair conductors between a first ground conductor and a second ground conductor. A slot extends through the insulative housing and at least partially exposes the first ground conductor of a first conductor set and the second ground conductor of a second conductor set. A first ground shield has a first tab bent inward that extends into the slot from a first side of the lead frame. A second ground shield has second tab bent inward that extends into the slot from a second side of the lead frame. A conductive medium is provided in the slot to electrically connect the first tab, the second tab, the first ground conductor and the second ground conductor.




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PRINTED CIRCUIT BOARD HAVING HIGH-SPEED OR HIGH-FREQUENCY SIGNAL CONNECTOR

A printed circuit board includes a substrate including a surface layer and a first ground layer; a high-frequency signal generation part provided in the surface layer of the substrate; at least one high-frequency signal connector mounting portion formed in the surface layer of the substrate; at least one high-frequency signal line formed in the surface layer of the substrate, and extend from the high-frequency signal generation part to the at least one high-frequency signal connector mounting portion; and at least one high-frequency signal connector disposed in the at least one high-frequency signal connector mounting portion, wherein an end of the first ground layer is exposed to a side surface of the substrate, and when the high-frequency signal connector is disposed in the at least one high-frequency signal connector mounting portion, a ground of the high-frequency signal connector is in contact with the end of the first ground layer.




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Engine Block Heater Cord Set

An engine block heater cord set. The cord set comprises an electrical power cord engagable with the engine block heater. A connector includes a plurality of power contacts, where the number of power contacts is four or more and a multiple of two. Each of the power contacts is electrically bonded to one of first and second electrical conductors. The power contacts are positioned symmetrically relative to one another on the connector with diagonally opposite contacts having a different polarity and spaced apart by a distance generally equal to the distance between the electrical terminals of the engine block heater.




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HIGH OUTLET DENSITY POWER DISTRIBUTION UNIT

Systems and apparatuses are provided in which outlets are coupled to a power distribution unit (PDU) or PDU module in various configurations. The outlets may be coupled to a recessed surface within a PDU housing. The outlets and recessed surface may be formed as part of a single mold. The outlets may be coupled to a printed circuit board that is at least partially disposed within the PDU housing. The outlets may extend away from the recessed surface or printed circuit board towards or beyond a front face of the PDU housing.




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BUSBAR, CONSUMER UNIT, USE OF SUCH A CONSUMER UNIT, POWER TRANSMISSION DEVICE AND BUILDING ELEMENT

The invention relates to a busbar having a profiled body which forms an elongate receiving channel, a first and a second groove being formed in the channel floor, and the electrical conductors being arranged in the first and second groove. Furthermore, the invention relates to a consumer unit for securing to such a busbar and for drawing current or data from such a busbar, and the use of the consumer unit in conjunction with such a busbar. Further aspects of the invention form a power transmission device having such a busbar and such a consumer unit, as well as a building element in which such a busbar is installed.




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COMPOSITE ELECTRONIC CONNECTOR

A composite electronic connector comprising an insulating housing, a USB Type-C connector and a USB Type-A connector which are arranged in the insulating housing is disclosed. The USB Type-C connector comprises a circuit board, a connecting line and a plurality of transferring terminals. One side of the circuit board is arranged with twenty-four golden fingers, other side of the circuit board is connected with the plurality of transferring terminals. The connecting line is used to integrate signal transmitted through the twenty-four golden fingers of the USB Type-C connector into USB Type-A standard adopted outputting signal, and outputs the outputting signal through the plurality of transferring terminals.




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CARD HOLDING MEMBER AND CARD CONNECTOR SET

A card holding member able to be inserted into a card connector via an insertion slot in an outer member and able to hold a card equipped with terminal members, the card holding member comprising a card accommodating portion able to accommodate the card, a connecting base portion connected to the card accommodating portion, a movable sleeve mounted on the connecting base portion slidably in the insertion and ejection directions of the card holding member, a first sealing member forming a seal between the connecting base portion and the movable sleeve, and a second sealing member forming a seal between the insertion slot and the movable sleeve.




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ADAPTERS FOR ADAPTING AN ELECTRONIC DEVICE TO A MODULAR ELECTRONIC DEVICE SYSTEM

There is provided an adapter for adapting an electronic device to a modular electronic device system. The adapter generally has a housing having two lateral edges, a cavity between the lateral edges and being adapted to receive the electronic device, each of the two lateral edges of the housing having at least one magnetic coupler electrically connectable with at least one magnetic coupler of the modular electronic device system by magnetically engaging the at least one magnetic coupler of the adapter with the at least one magnetic coupler of the modular electronic device system, and an internal electric conductor network electrically connected to the magnetic couplers of the adapter and electrically connected to an internal connector which is electrically connectable to the electronic device when received in the cavity of the housing.




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BATTERY CONNECTOR AND CIRCUIT MODULE

A battery connector is provided which is used to electrically connect a button battery. The connector has an insulating housing and positive and negative terminals. The housing has a limiting space for receiving and fixing the battery. The positive terminal has a positive contact portion which extends into the space and a first tail portion which maintains an electrical connection with a circuit board. The negative terminal has a negative contact portion which extends into the space so as to contact a negative electrode on a bottom surface of the battery, a second tail portion which maintains an electrical connection with the board, and a connection portion which is brought to move by the negative contact portion so as to electrically connect with the board when the battery is received in the space. The battery connector can be provided as part of a circuit module having an indicating member.




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Distributed Power Harvesting Systems Using DC Power Sources

A distributed power harvesting system including multiple direct current (DC) power sources with respective DC outputs adapted for interconnection into a interconnected DC power source output. A converter includes input terminals adapted for coupling to the interconnected DC power source output. A circuit loop sets the voltage and current at the input terminals of the converter according to predetermined criteria. A power conversion portion converts the power received at the input terminals to an output power at the output terminals. A power supplier is coupled to the output terminals. The power supplier includes a control part for maintaining the input to the power supplier at a predetermined value. The control part maintains the input voltage and/or input current to the power supplier at a predetermined value.




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CRIMP TERMINAL AND CONNECTOR

A crimp terminal has a crimp barrel which is crimped onto a core wire of a cable. The crimp barrel has an inner surface in which a plurality of cavities which are independent from one another is formed. Each of the cavities has a predetermined shape in a plane orthogonal to a depth direction thereof before the crimp barrel is crimped onto a core wire. The predetermined shape has at least two straight portions and a concave curved portion connecting the straight portions. The concave curved portion is indented inward of the predetermined shape. A plurality of the concave curved portions which are close to each other and included respectively in the predetermined shapes distinct from each other is arranged on an identical imaginary circle or rounded rectangular.




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Binding Screw For A Wire Connection Assembly And Wire Connection Assembly

A binding screw for a wire connection assembly comprises a driving section, a threaded section, and a contact section. The contact section has a tapered penetration portion establishing electrical contact with a stranded wire. A length of the penetration portion is at least three-quarters of a diameter of the binding screw in the threaded section.




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TERMINAL ATTACHING/DETACHING DEVICE

A terminal attaching/detaching device includes a housing, an engaging member, and a movable member. The engaging member is configured to move in a first direction toward a terminal inserted in the housing to engage with the terminal, and is configured to move from the terminal inserted in the housing in a second direction to disengage from the terminal. The movable member is configured to move in concert with the engaging member in the moving process thereof in the first direction, and is configured to move the engaging member from the terminal inserted in the housing in the second direction, so that the engaging member is disengaged from the terminal.




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ELECTRICAL CONNECTION ELEMENT

The present invention relates to a connection element for connection of an electrical connector (17) with a cable (15) connected on the connection element (10), wherein the connection element (10) has a mechanism (21) which is configured to secure the connection element (10) in a predetermined position on the electrical connector (17), and wherein the connection element (10) has on a contact region between the connection element (10) the electrical connector (17) that is generated after the connection of the electrical connector (17) with the cable (15) at least one layer made of a sealing material, which is configured to seal a region of the connecting element (10) on the electrical connector (17) in a liquid tight manner.




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Arrangement with circuit carrier for an electronic device

An arrangement for an electronic device is disclosed. A plurality of electrically conductive pins is positioned in respective vias of the circuit carrier, the pins extend from a first face of the circuit carrier to a contact end in order to electrically contact one or more components. The arrangement is equipped with an electrically insulating layer on a circuit carrier face, which is the first or a second face, in the region of the pin, the insulating layer having a prefabricated element which is positioned on the face of the circuit carrier. A portion of each pin, the portion being arranged adjacently to the respective via on the face, is surrounded by the material of the insulating layer in a continuously lateral manner.




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Device, system and method for providing zone-based configuration of socket structures

Techniques and mechanisms for providing socket connection to a substrate. In an embodiment, a socket device includes a first socket body portion that is to provide for signal exchanges as part of a socket connector including the first socket body portion and a second socket body portion. The first socket body portion and the second socket body portion comprise respective zones, wherein, of the two zones, only one such zone has a first electro-mechanical characteristic. The first electro-mechanical characteristic is selected from the group consisting of an interconnect dimension, an interconnect material, an interconnect structure, a socket body material, and a shielding structure. In another embodiment, modular socket sub-assemblies each comprise a respective one of the first zone and the second zone.




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Linear edge connector with activator bar and contact load spring

An example apparatus for connecting linear edge cards includes a housing to hold at least one set of conductive contacts facing perpendicularly towards a mating plane. The apparatus further includes an activator bar coupled to the housing, the activator bar to hold two parts of the housing apart via two opposing normal forces. The apparatus also includes a contact load spring coupled to the housing, the contact load spring to apply two forces parallel to the direction of the conductive contacts and against the two opposing normal forces of the activator bar. The apparatus further includes an ejector spring coupled to the contact load spring and the activator bar. The ejector spring is to apply a force perpendicular to the two opposing normal forces of the activator bar and in a direction of an opening of the housing.




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SOCKET APPARATUS

A socket apparatus, including a plate for being held by sockets of a wall outlet in contact with a front surface of the wall outlet, the plate shaped complementary to the front surface of the wall outlet and comprising holes shaped and located corresponding to the sockets of the wall outlet; metal apertures, each extending from one of the holes of the plate, the metal apertures for receiving electric supply from the sockets of the wall outlet, and for inserting prongs of a plug of an electric appliance thereinto; an electric gadget, for providing an electric function; and an electric circuit, for receiving electric supply from the metal apertures, and for converting the electric supply to the electric function. The wall socket further includes a foldable or removable extension pin, for allowing attaching thereof to at least one of the prongs of the plug of the electric appliance, for extending thereof.




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FORCE BIASED SPRING PROBE PIN ASSEMBLY

A force biased spring probe pin assembly includes a barrel member having a barrel wall defining an elongate internal cavity with a lower end and an upper end. The assembly also includes a first plunger member reciprocally mounted in the internal cavity proximate the lower end of the internal cavity. A spring member is positioned in the internal cavity between the plunger member and the second end of the internal cavity. Three or more conductive bearings are positioned in the internal cavity in contact with the first plunger member and the spring member. A force biased spring probe pin assembly includes a barrel member having a barrel wall defining an elongate internal cavity with a lower end and an upper end. The assembly also includes a first plunger member reciprocally mounted in the internal cavity proximate the lower end of the internal cavity and a second plunger member reciprocally mounted in the internal cavity proximate the upper end of the internal cavity. A spring member is positioned in the internal cavity between the first plunger member and the second plunger member. Three or more conductive bearings are positioned in the internal cavity in contact with the first plunger member and the spring member.




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FORCE BIASED SPRING PROBE PIN ASSEMBLY

A force-biased spring probe pin assembly includes a barrel member having a barrel wall defining an elongate internal cavity with a lower end and an upper end. The assembly also includes a first plunger member reciprocally mounted in the internal cavity proximate the lower end of the internal cavity. A spring member is positioned in the internal cavity between the plunger member and the second end of the internal cavity. At least one cavity formed in the plunger member with a conductive bearing in the cavity in electrical contact with the plunger and with the wall of the barrel member. A force-biased spring probe pin assembly includes a barrel member having a barrel wall defining an elongate internal cavity with a lower end and an upper end. The assembly also includes a first plunger member reciprocally mounted in the internal cavity proximate the lower end of the internal cavity and a second plunger member reciprocally mounted in the internal cavity proximate the upper end of the internal cavity. A spring member is positioned in the internal cavity between the first plunger member and the second plunger member. At least one cavity formed in the first plunger member with a first conductive bearing in the cavity in electrical contact with the first plunger and with the wall of the barrel member and at least one cavity formed in the second plunger member with a second conductive bearing in the cavity in electrical contact with the second plunger and with the wall of the barrel member.




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POWER OUTLET HAVING SAFETY COVER

A power outlet having safety cover, the power outlet comprises a shell body, a base fixed in the shell body, a sliding element disposed between the shell body and the base; the shell body has at least one first outlet hole and at least one second outlet hole; the base has a first post, a third outlet hole and a fourth outlet hole; one side of the sliding element has a first inclined block, the middle of the sliding element has a through hole, another side of the sliding element has a second inclined block and a second post; an elastic element is disposed between the first post and the second post; wherein the through hole can contain the first post, the second post and the elastic element; a distance between the first inclined block and an inner wall of the base is smaller than the length of the elastic element.




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ELECTRICAL CONNECTOR WITH TERMINAL HOLDER

An electrical connector includes a housing having pockets formed in a receiving end of the housing. A terminal module is inserted into the pockets wherein the terminal modules are constructed from a stitch plate including a plurality of terminals retained therein, A cover having a plurality of spaced apart walls form thereon is arranged on the stitch plate and is moved into engagement with the stitch plate with the walls disposed in the intervening space between adjacent terminals. The connector assembly is pressed onto a circuit board in which a force is applied to the connector housing and is directly transferred to the terminal tails of the terminal modules causing electrical contact between conductive holes of the circuit board and the terminals.




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ELECTRICAL RECEPTACLE CONNECTOR

An electrical receptacle connector includes a metallic shell, an insulated housing, first receptacle terminals, second receptacle terminals, first glue recess, and a first texture region. The metallic shell circularly encloses the insulated housing. The first and second receptacle terminals are held in the insulated housing. The first texture region is annularly formed on an inner wall of the metallic shell and corresponds to a periphery of the outer wall of the insulated housing. Therefore, the sealing member can attach onto the first texture region efficiently. Therefore, the sealing member does not overflow to the front portion of the receptacle cavity, and the inner gap can be sealed by the sealing member properly. Hence, the first texture region allows the sealing member to attach onto the inner wall of the shell body, and the sealing member can cover the inner gap completely to provide a reliable waterproof performance.




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Shock and Vibration Resistant Bulkhead Connector with Pliable Contacts

A high pressure and temperature, hermetically sealed bulkhead connector with pin and socket contacts for use in logging tools is described. The bulkhead connector comprises (a) one or more contact(s) placed within one or more channels wherein the channels provide a clearance path between contact(s) and bulkhead body and travel at least a partial longitudinal distance between proximal and distal ends. The contact(s) reside in the channel(s) and include at least; an optional movement limiter section, one central elongated section, and one fixed section where the contact(s) is attached to the bulkhead body at the distal end. The body correctly positions respective ends of the contact so that the body secures contact(s) to be parallel to each other and the contact(s) have terminal ends for connection. This arrangement provides at least one pivotable, pliable, free floating contact extending away from the fixed distal end of the bulkhead body.




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RADIALLY AND AXIALLY-COMPRESSED CERAMIC SEALING METHOD AND APPARATUS

The present invention provides a system and method for providing a seal for an electrical penetrator in a subsea environment. More specifically, the present invention provides for a system for creating a seal about an electrical penetrator without using o-rings or independent seals. The present invention provides for a set of supporting apparatuses to be placed in compression about a central ceramic penetrator element. The geometry of the central ceramic penetrator element and the interior of the supporting apparatuses forms a hermetic seal when under a constant radial and axial, or axial compressive force.




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SUBSEA HIGH VOLTAGE CONNECTION ASSEMBLY

Subsea high voltage connection assembly (10) comprising a first section (100) having a first section body (104) to which a set of first connector(s) (111) is arranged and a second section (200) having second section body (204) to which a set of second connector(s) (211) is arranged. The assembly (10) further has a section body movement arrangement (103, 400, 9, 123) adapted to move one of the section bodies (104, 204) towards and away from the other section body, between a disengaged position and an engaged position. Further, the assembly (10) has a connector movement arrangement (105, 400). Also disclosed are a method and a subsea high voltage wet mate connector assembly.




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ELECTRONIC DEVICE AND METHOD FOR MANUFACTURING THE SAME

Provided is an electronic device that is highly resistant to a water-soluble grinding oil and a method for manufacturing the same. An electronic device includes a main body and a cable including a lead wire, an insulating portion, and an outer coat, a first sealing portion that covers the insulating portion, and a second sealing portion that seals the first sealing portion, the insulating portion is made of a material that is more resistant to a water-soluble grinding oil than the outer coat is, and the first sealing portion is made of a material that has higher adherence to the insulating portion than that of the second sealing portion does.




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ELECTRICAL CORD CONNECTION COVERING TECHNIQUES

An electrical cord covering system includes a first housing portion and a second housing portion. The housing portions each include compression portions around their respective rims. The compression portions each have two recessed areas. When the housing portions are in a closed position a hollow region is formed to cover mated electrical cord plugs. A rim seal is formed with the compression portions. Two apertures are formed in the rim seal from the recessed apertures. The cable apertures form seals against electrical cords running to the electrical cord plugs.




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MAGNETIC CONNECTOR

A magnetic connector has a receptacle and a plug. The receptacle has an electromagnet comprising an inner core, an outer core, a coil disposed around the inner core and an air gap defined by the edges of the inner and outer cores. The plug has a plug core and an anchor defined by the plug core edge. The anchor is configured to insert into the air gap as a receptacle socket electrically connects with plug pins. The coil is energized and de-energized so as to assist in the insertion or removal of the anchor from within the air gap and the corresponding connection and disconnection of the socket and pins.




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Universal linear edge connector

An apparatus comprises a cable connector including: a first connector body portion including a first plurality of electrical contacts arranged to contact electrical contacts of a first surface of an edge connector substrate; a second connector body portion separate from the first connector body portion and including a second plurality of electrical contacts arranged to oppose the first plurality of electrical contacts of the first connector body portion and to contact electrical contacts of a second surface of the edge connector substrate, wherein the first and second plurality of electrical contacts are electrically coupled to one or more cables; and a joining mechanism configured to join the first connector body portion and the second connector body portion together and to apply a bias force to the edge connector substrate when the edge connector substrate is arranged between the first connector body portion and the second connector body portion.




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INDEPENDENTLY POWERED USB CONNECTOR

An independently powered USB connector is provided. The independently powered USB connector replaces the computer USB power supply for the direct transmission of digital signals from and between computers and audio components, eliminating micro-circuitry and computer generated noise from the digital signal chain so as to prevent sonic coloration from these sources. The independent power supply is coupled to the male connection of the USB connector, wherein the coupling is wrapped with shrink wrap designed for stability.




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Multiport Radio Frequency Connector Isolation

Previously available elastomeric EMI gaskets provided for multiport RF connector assemblies have performance limiting drawbacks. Consequently, EM isolation provided by a previously available elastomeric EMI gasket is often inadequate. Various implementations disclosed herein include multiport RF connection arrangements that use a metal gasket arranged within at least a portion of an isolation space provided by a multiport RF connector. In some implementations, a multiport connection arrangement includes a substrate, a multiport RF connector and a fitted metal gasket. The substrate includes a first surface and a first plurality of connection ports. The multiport connector has a body that includes a second surface, a second plurality of connection ports, and includes an electromagnetic isolation boundary that defines an isolation space between at least two of the second plurality of connection ports terminating at the second surface. Mechanical fasteners are optional and are included to merely provide engagement, without substantial compressive force.




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SHIELDED ELECTRICAL CONNENCTOR AND PRODUCTION METHOD THEREOF

The invention relates to a shielded connector for a motor vehicle. The connector comprises at least one casing shielding element. The shielding element includes a cable outlet portion provided with a plurality of resilient tabs that are integral with the shielding element. The tabs include a contact zone in electrical contact with a ferrule crimped to a shielding braid of a cable. The contact zone is maintained pressed against the shielding braid by means of a removable clamping ring.




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CONNECTORS WITH SWITCHABLE TERMINAL LOADS

Switchable grounded terminal loads are built into, or otherwise coupled to, connectors on motherboards and control devices. The terminal loads are coupled to the bus termination at the connector when the connector is “stuffed” (connected to a mating connector). The switchable grounded terminal loads replace dummy connectors in preventing empty “unstuffed” connectors from increasing error risks on active channels.




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COMMUNICATIONS CABLE WITH STATUS INDICATOR FOR ELECTRONIC DEVICES

An electronic device system can include an electronic device. The electronic device can include a receptacle, and a device logic driving status unit configured to generate a status signal indicating activity of the electronic device, and a communications cable. The communications cable can include a first plug configured to connect to the receptacle and receive the status signal, wherein the first plug includes a status indicator configured to indicate activity of the electronic device based on the status signal.




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CONNECTOR AND CONTACT

A connector includes a housing attached to a board; a ground terminal including a ground base disposed in the housing, and a first ground connection part extending from the ground base toward a first end of the housing and to be connected to a ground line of a coaxial cable; and a signal terminal including a signal base that is held in the housing and surrounded by the ground base while being insulated from the ground base, and a first signal connection part extending from the signal base toward the first end of the housing and to be connected to a signal line of the coaxial cable. The ground terminal and the signal terminal are configured to elastically bend at a second end of the housing when the housing is attached to the board.




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CARD EDGE CONNECTOR

A card edge connector includes an insultive housing, a plurality of conductive terminals retained in the insultive housing and a metal frame retained in the insultive housing. The insultive housing defines two sidewalls extending along a longitudinal direction and two endwalls connected to the longitudinal ends of the sidewalls. The metal frame is integrally formed in the insulative housing and defines an elongated flat portion and a pair of fixing portions extending downwardly from both longitudinal ends of the flat portion, the flat portion is embedded into an upper portion of the insulative housing.




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TERMINAL BLOCK FOR AN ELECTRONIC DEVICE

A terminal block for an electronic device, which block can be attached to an electronics housing of the electronic device, includes at least one base strip comprising a plurality of connector sockets; and a plurality of connector modules that can be attached to the connector sockets of the at least one base strip in at least one insertion direction, are held on the connector sockets in an inserted position, and can be released from the connector sockets to be removed from the at least one base strip; and a locking device. The locking device includes: an actuating part that can be moved relative to the at least one base strip in an actuation direction; and a plurality of locking elements that are engaged in a locking manner in mating elements of the connector modules in a locked position.




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Nano-fabricated structured diamond abrasive article

The present invention describes a microfabricated or nanofabricated structured diamond abrasive with a high surface density array of geometrical protrusions of pyramidal, truncated pyramidal or other shape, of designed shapes, sizes and placements, which provides for improved conditioning of CMP polishing pads, or other abrasive roles. Three methods of fabricating the structured diamond abrasive are described: molding of diamond into an array of grooves of various shapes and sizes etched into Si or another substrate material, with subsequent transferal onto another substrate and removal of the Si; etching of an array of geometrical protrusions into a thick diamond layer, and depositing a thick diamond layer over a substrate pre-patterned (or pre-structured) with an array of geometrical protrusions of designed sizes, shapes and placements on the surface.




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Polycrystalline diamond compact

In an embodiment, a polycrystalline diamond compact includes a substrate and a preformed polycrystalline diamond table having an upper surface, an interfacial surface, and at least one side surface extending therebetween. The interfacial surface of the polycrystalline diamond table is bonded to the substrate. The polycrystalline diamond table includes bonded diamond grains defining interstitial regions. The polycrystalline diamond table includes a first region extending inwardly from at least a portion of the upper surface and at least a portion of the at least one side surface. The first region spaced from the interfacial surface. The polycrystalline diamond table includes at least a second region extending inwardly from the interfacial surface to the upper surface. The first region includes at least a first infiltrant disposed interstitially between the bonded diamond grains thereof. The second region includes at least a second infiltrant disposed interstitially between the bonded diamond grains thereof.




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Melamine methylol for abrasive products

An abrasive product includes a plurality of abrasive particles and a resin binder cured from a resin composition that includes an aqueous dispersion of melamine methylol having a melamine-to-formaldehyde molar equivalent ratio of between about 1:1 and about 1:3.2, wherein the aqueous dispersion has a pH in a range of between about 8 and about 10. The composition also includes a formaldehyde-based resins, such as a urea-formaldehyde resin or phenol-formaldehyde resin. The melamine methylol comprises between about 1 wt % and about 50 wt % of the combined weight of the formaldehyde-based resin and the melamine methylol.




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PVD hybrid method for depositing mixed crystal layers

The present invention concerns a method for depositing mixed crystal layers with at least two different metals on a substrate by means of PVD methods. To provide a method of depositing mixed crystal layers with at least two different metals on a substrate by means of PVD methods, which gives mixed crystal layers which are as free as possible of macroparticles (droplets) and which have a proportion as high as possible of a desired crystalline phase and which are highly crystalline, it is proposed according to the invention that deposition of the mixed crystal layer is effected with simultaneous application of i) the cathode sputtering method of dual magnetron sputtering or high power impulse magnetron sputtering and ii) arc vapour deposition.




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Polycrystalline diamond compact with increased impact resistance

A polycrystalline diamond (PCD) with diamond grains includes a first zone of the diamond grains and a second zone of the diamond grains. The first zone forms a working surface and a first catalyzing material is disposed within voids of the diamond grains in the first zone. A second catalyzing material is bonded to the diamond grains disposed in the second zone. The first catalyzing material in the first zone is connected to the diamond grains disposed in the first zone less intimately than the second catalyzing material is bonded to the diamond grains in the second zone.




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High porosity abrasive articles and methods of manufacturing same

An abrasive article includes a polymer matrix and abrasive grains dispersed in the polymer matrix, wherein the abrasive article has a void volume of at least 50%. The polymer matrix is polymerized from a monomer including at least one double bond.




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Methods of fabricating polycrystalline diamond products using a selected amount of graphite particles

Embodiments of the invention relate to polycrystalline diamond (“PCD”) fabricated by sintering a mixture including diamond particles and a selected amount of graphite particles, polycrystalline diamond compacts (“PDCs”) having a PCD table comprising such PCD, and methods of fabricating such PCD and PDCs. In an embodiment, a method includes providing a mixture including graphite particles present in an amount of about 0.1 weight percent (“wt %”) to about 20 wt % and diamond particles. The method further includes subjecting the mixture to a high-pressure/high-temperature process sufficient to form PCD.




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Abrasive articles including abrasive particles of silicon nitride

An abrasive article includes a body having abrasive particles contained within a bond material. The abrasive particles can include a majority content of silicon nitride and a minority content of sintering material including at least two rare-earth oxide materials. In an embodiment, the rare-earth oxide materials can include Nd2O3 and Y2O3. In a particular embodiment, the abrasive particles comprise a content (wt %) of Nd2O3 that is greater than a content of Y2O3 (wt %).




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Bonded abrasive article and method of forming

A method of forming an abrasive article includes providing a green body having abrasive particles including microcrystalline alumina, and heating the green body via microwave radiation to form a bonded abrasive body including the abrasive particles and a bond material comprising a vitreous phase.