Abstract: An electrical connector includes an insulated housing defining an uninterrupted tongue portion with opposite first surface and second surface, the first surface defining a rib and a plurality of contacts loaded in the tongue portion. The contacts include first contacts with contacting sections loaded in the first surface at one side of the rib, second contacts with contacting section loaded in the first surface at another side of the rib and third contacts with contacting section loading in the second surface opposite to the rib. Each of the first and third contacts is composed of signal contacts and grounding contacts. Two distinct grounding bars are embedded in the tongue section and touch with front ends of grounding contacts of the first and third contacts respectively to reduce cross talk between signal contact of the first and third contacts.

Abstract: A mounting apparatus is configured for securing a PCI card and includes a securing member and a latch member. The securing member extends along a first direction. A protrusion is located on the securing member. The latch member is capable of securing the other end of the PCI card and defines a securing slot. The protrusion is inserted in the secured slot along a second direction perpendicular to the first direction.

Abstract: An electrical connector (100) adapted for being mounted on a mother board (900) includes a housing and a number of contact modules (21, 22) each having a wafer (210, 220) and a number of terminals insert molded with the wafer. The terminals include an upper terminal (211, 221) having an upper contact portion (2111, 2211), and a lower contact terminal (212, 222) having a lower contact portion (2121, 2221). The upper contact portion and the lower contact portion are separated from each other along a vertical direction to define a slot (214, 224) therebetween. The upper terminal and the lower contact terminal are secured in the wafer at two positions remote from each other along a mating direction perpendicular to the vertical direction, with the upper contact portion and the lower contact portion approaching close to each other along the mating direction.

Abstract: An electrical connector includes a lengthwise housing and two rows of terminals. The housing defines two rows of passageways running through opposite first surface and second surface thereof to load with terminals. Each terminal includes a middle portion and two contacting arms extending from opposite ends of the middle portion. The two contacting arms of the terminals respectively extend beyond the first and second surfaces and curving inwards. Each terminal further includes a stopping rib and a spring rib at opposite lateral sides of the middle portion. Each passageway defines a first stopping shoulder adjacent to the second surface and a second stopping shoulder adjacent to the first surface. The stopping ribs are lodged against the first stopping shoulder or the spring ribs are lodged against the second stopping shoulder so that the terminals are moveable limited in the passageways.

Abstract: A card edge connector for connecting a card to a printed circuit board includes an insulative housing, a plurality of contacts and a pair of grounding pads. The insulative housing has a lengthwise base portion having a card-receiving slot and a pair of locating arms having an extending portion which extends forwardly from the base portion. The contacts are retained in the insulative housing and extend into the card-receiving slot to electrically contact with the inserted card. The grounding pads each include a main body which has a frame and a solder pad. The locating arms each further include a spring fork-shaped locking portion extending from the extending portion for preventing the grounding pad releasing from the corresponding locating arm when the frame of the grounding pad is securely seated in the extending portion from the locking portion.

Abstract: A memory module configured to connect to a slot of a data processing system. A set of tabs is connected to the module and configured to electrically connect the module to the slot and to electrically connect the module to a clock of the data processing system. The set of tabs includes a first tab, a second tab, a third tab, and a fourth tab. The first tab and the second tab are opposite the third tab and the fourth tab. The first tab comprises a positive type tab, the second tab comprises a negative type tab, the third tab comprises a positive type tab, and the fourth tab comprises a negative type tab. The first and third tabs are configured to provide a first electrical connection to the clock. The second and fourth tabs are configured to provide a second electrical connection to the clock. Together, the first, second, third, and fourth tabs comprise two dual tabs.

Abstract: A connector for incorporation into a heater system for inlet struts includes a body having a tapered forward end and an opposite rear end. A plurality of forward electrical terminals are formed on the outer surface of the tapered end. A plurality of rearward electrical terminals are formed on the rear end of the body. The rearward electrical terminals are in electrical connection with the forward electrical terminals. The forward electrical terminals on the tapered end are in electrical contact with a plurality of electrical contacts connected to heating elements formed in a heating mat. The heating mat entirely envelops the connector. The heater mat is formed within a substantially rigid outer shell.

Abstract: A terminal block, configured to be connected to a plurality of first card edge terminals arranged at a peripheral edge part of a first main surface of a substrate and a plurality of second card edge terminals arranged at a peripheral edge of one of a second main surface of the substrate and the first main surface of the substrate, has a base formed with an insertion port to which the peripheral edge of the substrate is inserted, and a plurality of first and second terminals arranged on the base. Each of the plurality of first terminals has a first supporting portion arranged on the first main surface side of the substrate and extended in a normal direction of the first and second main surfaces of the substrate inserted to the insertion port, and a first contacting portion formed from the first supporting portion to contact the first card edge terminals.

Abstract: A card edge connector for use with a daughter board, and comprises an insulative elongated housing extending along a longitudinal direction, and defining opposite first and second side walls and a central slot formed therebetween for receiving the daughter board therein, a plurality of contacts each defining a retention portion retained in the housing, a resilient contact portion extending into the central slot from an upper portion of the retention portion for contacting with the daughter board, and a solder tail extending out of the housing form a lower portion of the retention portion. Wherein the contacts include a first row of contacts disposed in the first side wall, and a second row of contacts disposed in the second side wall. The first row of contacts have at least two adjacent grounding contacts electrically connected with each other during the contact portions of the contacts are contacting with the daughter board.

Abstract: A torsional electrical contact includes a body including a helix with N turns around an axis, N?1. The body includes first and second ends. First and second contact arms extend outwardly away from the helix. The contact arms include respective distal ends. The arms define a contact angle ?. At least one of the first and second contact arms is selectively resiliently movable toward the other of the first and second contact arms to reduce the contact angle ?. One or more contacts are installed in a module and/or connected to an electronic component. A module including first and second contacts can be configured in a first condition in which the contacts are connected directly to each other or a second condition in which the contacts are engaged with respective parts of a circuit board or other component inserted into the housing according to a disclosed method.

Abstract: A card edge connector for electrically connecting harnesses to contact electrodes that are located in different positions on a surface of an electronic substrate in an insertion direction includes a housing, harness terminals, and relay terminals. The housing defines a substrate insertion hole for receiving the electronic substrate. The harness terminals are separately connected to the harnesses and located in different positions in a height direction perpendicular to the insertion direction. The relay terminals separately connect the harness terminals to the contact electrodes upon insertion of the electronic substrate into the substrate insertion hole.

Abstract: A card edge connector includes an elongated housing extending along an elongated direction thereof, and having a first housing half, a second housing half being discrete from the first housing half, and a central slot formed between the first and the second housing halves. A plurality of contacts are retained in the housing, and each has a contact portion protruding into the central slot. A width of the central slot could be adjusted before mounting the card edge connector to a mother board for receiving different daughter boards with different thicknesses.

Abstract: A contact capable of facilitating adjustment of impedance and ensuring a high holding force when held in a housing. To a contact portion capable of being brought into contact with a pad on a module substrate, a spring portion is connected for pressing the contact portion against the pad. A press-fitting portion that is press-fitted into the housing is connected to the spring portion, and has a connecting portion connected thereto. A terminal portion to be connected to a pad on a motherboard is connected to the connecting portion. The spring portion is bent in a manner folded back from the rear end of the press-fitting portion in the inserting direction, toward a front side in the inserting direction. The connecting portion extends from the rear end of the press-fitting portion in the inserting direction, toward a rear side in the inserting direction.

Abstract: There is provided a card connector for electrically coupling a card with a motherboard. The card connector includes a housing to and from which a contact pad of the card is inserted and ejected, where the housing is mountable on the motherboard; a pair of contacts is configured to hold the card between the pair of the contacts and to be electrically coupled with the contact pads of the card inserted into the housing, and extend in a first direction, and a pair of urging members is configured in the housing to force the pair of the contacts toward the card and extend in a second direction opposite to the first direction.

Abstract: A socket connector is provided for mating with a mating connector having a printed circuit. The socket connector includes a housing having a socket. The socket is configured to receive a mating edge of the printed circuit of the mating connector therein. Signal contacts are held by the housing. The signal contacts include mating interfaces arranged in a row within the socket of the housing. Electrically conductive ground shields are held by the housing. The ground shields extend from mating ends to mounting ends. The mating ends of the ground shields extend between adjacent signal contacts. The ground shields include shield slots extending into the mating ends. The shield slots of the ground shields are configured to receive the mating edge of the printed circuit of the mating connector therein to electrically connect the ground shields to the printed circuit.

Abstract: The gas sensor includes a sensor element, a heater for heating the sensor element, the heater having a roughly cylindrical shape, a housing into which the sensor element is inserted to be held therein, and a terminal unit disposed so as to cover a rear end portion of the heater on a rear end side of the housing. The terminal unit includes a pair of insulators, a pair of metal terminals each of which is located inside a corresponding one of the pair of the insulators and in contact with a corresponding one of a pair of electrode pads provided on a surface of the rear end portion of the heater, and a pressing member pressing the pair of the insulators in a direction that the pair of the insulators approach each other. The pair of the insulators are located out of contact with each other. The rear end portion of the heater is contact-supported at at least three contact points by the terminal unit.

Abstract: A card edge connector includes an elongated housing and a number of contacts retained in the housing. Each contact has a retaining portion retained in the housing, a contact portion forwardly extending from a front end of the retaining portion and a connecting portion backwardly extending from a rear end of the retaining portion. The contacts are arranged in two rows and formed with a first receiving space between two rows of contact portions to receive a module and a second receiving space between two rows of connecting portions to receive a mother board. The first receiving space defines a first center line along an insertion direction of the module. The second receiving space defines a second center line which is parallel to the first center line and offset to the first center line along an up to down direction perpendicular to the insertion direction.

Abstract: A power receptacle for a portable electronic device suitable for connecting a power plug is provided. The power plug has a tubular terminal and a clamping terminal in the tubular terminal. The power receptacle includes an insulating housing, an anode terminal, and a cathode terminal. The insulating housing has a receiving cavity, and the power plug is suitable for being plug in the receiving cavity. The anode terminal disposed in the insulating housing is located at the central part of the receiving cavity. The cathode terminal disposed in the insulating housing is located at a side of the receiving cavity. During a process of plugging the power plug into the receiving cavity, the tubular terminal contacts the cathode terminal, and then the clamping terminal contacts the anode terminal, so that the power plug is electrically connected to the power receptacle.

Abstract: A voltage regulator. The voltage regulator includes an interposer having, on a first side, a plurality of electrical connections suitable for coupling to a printed circuit board (PCB). The interposer also includes at least one power plane and at least one ground plane, wherein each of the power and ground planes is coupled to one or more of the electrical connections. The voltage regulator further includes a DC-DC converter that is electro-mechanically attachable to and detachable from the interposer. The interposer includes a socket, on a second side, that is suitable to receive two or more electro-mechanical connecting members of the DC-DC converter. When the DC-DC converter is attached to the interposer, at least one of the electromechanical connecting members is electrically coupled to a power plane of the interposer, while at least one other one of the electromechanical connecting members is electrically coupled to the ground plane.

Abstract: A methodology for connecting device components with circuitry located at different levels and orientations relative to one another is described. First circuitry can be located on a multi-plane rigid circuit board where the multi-plane rigid circuit board can include at least one flexible member sharing a common substrate with the multi-plane rigid circuit board that extends from a body portion of the multi-plane rigid circuit board. The flexible member can include traces used to convey power and/or data and an interface coupled to the power and/or data traces. The flexible member can be deflected or twisted to connect first circuitry on the body portion of the multi-plane rigid circuit board to second circuitry associated with another device component.

Abstract: An electrical connector assembly is disclosed which includes a housing; and a plurality of substantially identical contact assemblies each including a pair of electrical contacts with receptacle contact portions configured to be received by the housing. The plurality of contact assemblies are arranged in sequence in a linear array in the housing, and in alternating first and second orientations. The second orientation is a reverse orientation with respect to the first orientation. The substantially identical electrical contact assemblies each include a first electrical contact and a second electrical contact and a receptacle contact portion in electrical communication with the edge connector portion. The edge connector portions are substantially a mirror image while the receptacle contact portions are substantially slide-along images of each other. A method of manufacturing is also disclosed for the electrical contact assemblies.

Abstract: A contact terminal for coming into electric contact with a mating terminal of a mating component, the contact terminal includes a rotating member including protrusions on the surface, the rotating member rotates with an advance of the mating terminal, and a spring member that rotatably supports the rotating member and asserts the rotating member against the advancing mating terminal.

Abstract: A card edge connector includes an elongated housing and a number of contacts retained in the housing. Each contact has a retaining portion retained in the housing, a contact portion forwardly extending from a front end of the retaining portion and a connecting portion backwardly extending from a rear end of the retaining portion. The contacts are arranged in two rows and formed with a first receiving space between two rows of contact portions to receive a module and a second receiving space between two rows of connecting portions to receive a mother board. The first receiving space defines a first centre line along an insertion direction of the module. The second receiving space defines a second centre line which is parallel to the first centre line and offset to the first centre line along an up to down direction perpendicular to the insertion direction.

Abstract: A circuit board edge connector includes an insulative housing and two opposing mating ends with a plurality of conductive terminals supported by the housing and extending between the two ends. One end of the connector mates with an opposing connector and the other end has a slot disposed therein that receives the mating edge of a printed circuit card or board. The terminals at the end of the connector extend outwardly in a cantilevered fashion and they terminate in free ends that contact conductive pads on the edge of the circuit card. A preload cap is provided that includes two parts that interfit with each other and with the circuit card mating end of the connector. These preload caps engage the terminal free ends and impart a preload to the terminals so that the circuit card may be easily inserted into the connector slot and the caps are subsequently removed from the connector.

Abstract: A compact electrical connector assembly comprises a printed circuit board having a predetermined thickness and defining a first face and a second face opposite to the first face. A low profile electrical connector sits on the first face of the printed circuit board and comprises an insulating housing defining a longitudinal central slot opened forwardly with first contacts and second contacts respectively retained at opposite sides of the central slot. A card is inserted into the central slot at an angle with regard to the printed circuit board, and then rotated from the second face to the first face of the printed circuit board until reaching to a secured position which is substantially overlapped with the printed circuit board.

Abstract: A card edge connector for electrically connecting harnesses to contact electrodes that are located in different positions on a surface of an electronic substrate in an insertion direction includes a housing, harness terminals, and relay terminals. The housing defines a substrate insertion hole for receiving the electronic substrate. The harness terminals are separately connected to the harnesses and located in different positions in a height direction perpendicular to the insertion direction. The relay terminals separately connect the harness terminals to the contact electrodes upon insertion of the electronic substrate into the substrate insertion hole.

Abstract: An electrical connector for electrically connecting an element to a circuit board includes at least two adjacent insulation bodies, a plugging slot located on the insulation bodies for being plugged with the element, and a set of conductive terminals disposed on the insulation bodies and electrically connected with the circuit board. One side of each of the insulation bodies is movably connected with the adjacent insulation body. When the circuit board undergoes soldering process, the relation position of the insulation bodies at the adjacent location is automatically adjusted according to the warp caused by the high temperature of soldering so as to reduce the warp and deformation. Thereby, the soldering portion of each conductive terminal received in the insulation bodies can be soldered onto the circuit board well, such that electrical connector is normally and electrically connected with the circuit board.

Abstract: A card edge connector includes an elongated insulative housing, a plurality of first terminals, a plurality of second terminals retained in the insulative housing. The insulative housing defining a central slot, a first side wall, and a second side wall opposite to the first side wall. The first terminals each defines a first level soldering portion extend out of the first side wall in a width direction of the insulative housing. The second terminals each defines a second level soldering portion merely under the insulative housing to closer to the first soldering portions for occupying less area of a mother board.

Abstract: An electrical connector. An electrical connector comprising a connector body having a first channel and a first conductive element extending through the first channel in a first tip section. The first tip section having a first moment arm that, when forced in contact with a first conductive surface, twists the first conductive element to produce a torsion force. The torsion force holds the first tip section in contact with the first conductive surface.

Abstract: The present invention provides a printed board connector reinforced with a circuit board, and the printed board connector includes an insulating casing, a plurality of signal modules, and a plurality of metal shielding elements. The insulating casing includes a rib. The rib extends a plurality of insulating shielding walls downwardly and the signal modules are received between the insulating shielding walls and are tightly mounted in the rib. The metal shielding elements are received between the insulating shielding walls and are tightly mounted in the rib and the signal modules. When a user presses the printed circuit connector to connect with a circuit board, the rib guides and positions the signal modules and the metal shielding elements, moreover, the rib enhances the strength of the assembling with the circuit board.

Abstract: An electrical connector assembly includes a housing having an array of compartments, and substantially identical signal contact assemblies arranged in sets, each including a pair of the signal contact assemblies arranged opposite first and second orientations, and selectively installed in a respective pair of compartments. One ground contact may form a signal-signal-ground pattern, while two ground contacts may form a signal-signal-ground-ground pattern. Additionally, an electrical connector assembly includes a housing having at least two substantially identical signal contact assemblies, one in a first orientation, another in a second orientation. At least one recess is formed within the signal contact assembly; and at least one protruding ridge extends from the signal contact assembly. The recesses of the signal contact assembly in the first orientation receive at least one of the protruding ridges in a second orientation.

Abstract: An electrical connector (1) includes an insulative housing (2) and at least one contact (3) received in the housing. The housing defines a receiving cavity (23) therein, at least one receiving groove (216) communicating with the receiving cavity, a recessing groove (219) recessing outwards from an inner face (2161) of the at least one receiving groove and a locking hole (218) recessing outwards from an inner face (2190) of the recessing groove. The at least one contact defines a base portion (31) received in the receiving groove and an elastic arm (32) extending from the base portion and projecting into the receiving cavity, and the base portion defines an elastic locking portion (312) passing through the recessing groove and projecting into the locking hole in an elastic deformation manner to lock with the locking hole.

Abstract: An electrical contact includes a body extending along a longitudinal axis. The body includes a mating contact portion for electrical connection with an electronic module, an intermediate portion extending from the mating contact portion, and a mounting contact portion extending from the intermediate portion for electrical connection with a circuit board. The mounting contact portion extends from the intermediate portion at a bend. The mounting contact portion extends from the bend to an end portion. The body also includes a push surface formed when a carrier strip that initially connects the electrical contact to other electrical contacts is separated from the electrical contact. The push surface is offset from the bend along the longitudinal axis in a direction away from the mating contact portion.

Abstract: A card edge connector includes a housing, a first conductive part, a second conductive part, a connecting element, a first harness, and a second harness. The housing has an insertion hole for receiving an electronic substrate therein. The first conductive part and the second conductive part are disposed in the insertion hole and are configured to come in contact with respective terminals disposed on a surface of the electronic substrate. The connecting element is coupled with the second conductive part and extends in a direction approximately vertical to a planer direction of the electronic substrate so as to be away from the surface of the electronic substrate. The first harness is coupled with the first conductive part and the second harness penetrates a penetrated part of the connecting element.

Abstract: A power blade is provided for a socket connector that connects a module card to a circuit board. The power blade includes a bus extending along a longitudinal axis, and a plurality of individual electrical contacts extending from the bus such that the electrical contacts are each electrically connected to the bus. The electrical contacts are located adjacent one another along the longitudinal axis. Each of the electrical contacts includes a side mating portion configured to electrically connect to the module card. The side mating portions of the electrical contacts lie in approximately a common plane.

Abstract: A card connector includes a housing which allows a card to inserted thereinto, and a plurality of terminal members which is arranged in the housing, and is respectively connectable to a plurality of external connections provided on the bottom face of the card. The plurality of terminal members is composed of first terminal members which are arranged on an inner bottom face of the housing, are provided side to side along an insertion direction of the card, and are connectable to first external connections of the plurality of external connections of the card which are provided on the side of a rear end of the card, and second terminal members which are connectable to second external connections of the plurality of external connections of the card which are provided on the side of a front end of the card.

Abstract: A card edge connector (100) includes an elongate insulative housing (1), a plurality of signal contacts (3) and a pair of power contacts (4) retained in the insulative housing (1). The insulative housing (1) defines a pair of opposed side walls (11) and a central slot (13) between the side walls (11). Each side wall (11) defines a plurality of passageways (110) communicating with the central slot (13). Each signal contact (3) has an engaging portion (32) exposed to the central slot (13.) Each power contact (4) has a securing portion (41) retained in the insulative housing (1), a plurality of contact portions (42) extending upwardly and sidewardly into the central slot (13) from the securing portion (41) and arranged in a row along a length direction of the insulative housing (1), and at least one tail portion (43) extending downwardly from another end of the securing portion (41).

Abstract: An electrical connector assembly includes a housing having a slot configured to receive at least a portion of an electronic module therein. The housing includes an anti-stubbing shoulder. An electrical contact is held by the housing. The electrical contact includes a mating contact portion and an anti-stubbing contact portion. At least a portion of the mating contact portion extends within the slot for engagement with the electronic module. Engagement between the anti-stubbing portion of the electrical contact and the anti-stubbing shoulder of the housing moves at least a portion of the mating contact portion of the electrical contact generally away from the slot of the housing.

Abstract: A connector for connecting a card edge module to a circuit board includes a housing that extends along a longitudinal axis between opposite first and second end portions. The housing including a card slot configured to receive a mating edge of the card edge module and a channel proximate one of the first and second end portions. A protective member is received in the channel and positioned to inhibit contact between a side edge of the card edge module and the one of the first and second end portions of the housing when the card edge module is loaded into the connector.

Abstract: A connector capable of electrically connecting two plate-shaped to-be-connected objects in a state arranged on substantially the same plane. Upper contacts are inserted into a housing from rearward, and held thereby. Lower contacts are inserted into the housing from forward, and held thereby. A contact portion of each upper contact is located on a front side of the housing, for contact with an upper surface of a circuit card inserted into a receiving space of the housing. A terminal portion of the upper contact is located on a rear side of the housing, for connection to a motherboard. A contact portion of each lower contact is located on the front side of the housing, for contact with a lower surface of the circuit card inserted into the receiving space of the housing. A terminal portion of the lower contact is located on the rear side of the housing, for connection to the motherboard.

Abstract: A card edge connector includes an insulating body having opposite lateral side frames for mounting respectively two metallic pieces thereon, and terminals mounted in the insulating body and coupled to a circuit board. When an insertion side with conductive terminals of an electronic card is inserted into an insertion groove in the insulating body, the conductive terminals contact respectively contact portions of the terminals extending into the insertion groove. Each metallic piece includes first and second resilient arms extending from a base, and a carved metallic piece extending from the first resilient arm. When the insertion side of the electronic card is inserted into the insertion groove, each lateral side of the electronic card is clamped between the anchoring member and the second resilient arm of a corresponding metallic piece, and is formed with a notch engaging a projection of the second resilient arm of the corresponding metallic piece.

Abstract: A connector is disclosed that includes a housing having a space into which an object to be connected is inserted and a contact member incorporated in the housing. The contact member includes a first contact part and a second contact part. The first and second contact parts are aligned to come into contact with the pad of the object to be connected. The first contact part is positioned closer to the entrance of the space than the second contact part is. The first contact part and the second contact part face the space. The contact member includes a main body part, a first contact arm part having the first contact part, and a second contact arm part having the second contact part. The first contact arm part and the second contact arm part extend from first and second separate portions, respectively, of the main body part.

Abstract: The illustrative embodiments provide a socket, a method for manufacturing the socket, a device, and a method for compensating for differing coefficients of thermal expansion between a socket and a printed circuit board. The socket includes surface mounted contacts and an elongated housing. The elongated housing comprises at least two members that are coupled together and disposed to form an aperture in between the at least two members, wherein the surface mounted contacts extend from the aperture, and wherein at least one dimension of the at least two members is selected to compensate for a difference between the coefficients of thermal expansion between the socket and a printed circuit board.

Abstract: A card edge connector includes a housing, a first conductive part, a second conductive part, a supporting conductive part, a connecting element, a first harness, and a second harness. The housing has an insertion hole for receiving an electronic substrate therein. The first conductive part and the second conductive part are disposed in the insertion hole and are configured to come in contact with respective terminals disposed on a surface of the electronic substrate. The supporting conductive part is disposed in the housing in such a manner that supporting conductive part is farther away from the surface of the electronic substrate than the first conductive part is. The connecting element couples the second conductive part and the supporting conductive part, the first harness is coupled with the first conductive part, and the second harness is coupled with the supporting conductive part.

Abstract: A connector comprising an insulating body defining a slot that is adapted to receive a pluggable module. A plurality of conductive pins extend into the slot and at least one extension, coupled to the insulating body, protects the plurality of pins from being shorted by an incorrectly inserted pluggable module.

Abstract: A universal slot disposed on a base plate includes a first slot and a second slot. The first slot has a first electrical characteristic, and the second slot has a second electrical characteristic. The second slot covers the first slot in appearance.

Abstract: A high speed transmission connector including several signal contact pairs arranged in a parallel array, each including a pair of signal contacts constituting a balanced transmission line; several ground contacts, each being arranged between two signal contact pairs arranged in the parallel array; and an electro-insulating body supporting the signal contact pairs and the ground contacts. Each signal contact is provided with a contacting section at one longitudinal end for conductive contact with a corresponding signal contact of a counterpart connector, a board connecting section at another longitudinal end for connection with a conductor on a circuit board, and an attaching section between the contacting section and the board connecting section for an attachment to the body. All of the board connecting sections of the signal contacts are disposed along a first lateral surface of the body.

Abstract: A method of making a printed circuit board in which at least three substrates are aligned and bonded together (e.g., using lamination). Two of the substrates have openings formed therein, with each opening including a cover member located therein. During lamination, the cover members for a seal and prevent dielectric material (e.g., resin) liquefied during the lamination from contacting the conductive layers on the opposed surfaces of the inner (first) substrate. A PCB is thus formed with either a projecting edge portion or a plurality of cavities therein such that electrical connection may be made to the PCB using an edge connector or the like.

Abstract: An electric connector to be attached to a plate-like connection member having an edge portion, a plurality of insertion convex portions formed sideways at the edge portion, and a conductive portion formed on at least one of the front surface and the back surface of each insertion convex portion includes an insulating housing and a contact forming member made of a metal and held in the housing. The contact forming member includes a box-like portion having four walls and a connection member connecting contact extended from at least one of the walls of the box-like portion. The four walls define an insertion concave portion into which the insertion convex portion corresponding thereto is inserted along a predetermined insertion direction. The connection member connecting contact includes a contact portion that makes contact with the conductive portion of the corresponding insertion convex portion inserted into the insertion concave portion.

Abstract: An electrical connector (100) for an electrical card includes an insulating housing (20) defining a receiving slot (220) for mating and a number of electrical contacts (60). Each of the electrical contacts has a securing portion for securing the contact in the housing, a contacting portion (66) extending into the receiving slot and a flexible connecting portion (64) connecting the securing portion and the contacting portion. The insulating housing forms a stop portion (226) flexibly biased by said connecting portion when said electrical card is not mated therein.