Abstract: An apparatus electrically interconnects pins that project from the rear side of a backplane in separate arrays corresponding to respective circuit boards at the front side of the backplane. The apparatus comprises a connector board assembly extending across the rear side of the backplane between separate arrays of pins. The connector board assembly has signal routing circuitry that electrically interconnects those separate arrays of pins. This enables the respective printed circuit boards to be electrically interconnected independently of any signal routing circuitry within the structure of the backplane. Accordingly, the apparatus preferably includes a backplane that is free of signal routing circuitry for interconnecting pins that extend through the backplane.

Abstract: A stacking connector is formed by a connector main body and a plug substrate, the connector main body has a substrate sandwiching member including a sandwiching gap into which the plug substrate fits, and a projection projecting into the sandwiching gap, the plug substrate has a concavity with which the projection engages in both top and bottom surfaces, and, after inserting the plug substrate into the sandwiching gap of the substrate sandwiching member, by sliding the plug substrate in a direction at right angles to the insertion direction, the concavity engages with the projection and the plug substrate is linked to the connector main body in an unremovable state.

Abstract: An apparatus electrically interconnects pins that project from the rear side of a backplane in separate arrays corresponding to respective circuit boards at the front side of the backplane. The apparatus comprises a connector board assembly extending across the rear side of the backplane between separate arrays of pins. The connector board assembly has signal routing circuitry that electrically interconnects those separate arrays of pins. This enables the respective printed circuit boards to be electrically interconnected independently of any signal routing circuitry within the structure of the backplane. Accordingly, the apparatus preferably includes a backplane that is free of signal routing circuitry for interconnecting pins that extend through the backplane.

Abstract: An electrical connector (3) includes an insulative housing (1) having an upper sidewall (16) and a lower sidewall (17), a slot (10) opening frontwardly defined between the upper and lower sidewalls (16, 17), the lower sidewall (17) having an arc portion (170) facing the slot (10) and concaving therefrom, and a plurality of terminals (20, 21) retained in the insulative housing (1).

Abstract: An assembly for connecting an electronic control board to the stator windings of an electric motor for roller blinds having a base with, on a first face, an element for centering on the stator of the motor at an end face of the stator. A first body for accommodating first electrical terminals for direct connection to first leads of the stator windings and a second body for accommodating second electrical terminals for direct connection to second leads of the stator windings protrude from the opposite second face of the base. The second electrical terminals are in direct electrical contact with an electronic board; the second body has a slot which intersects the seats on which the second electrical terminals are provided; the electronic board can be inserted in the slot.

Abstract: A connector includes a housing having a plurality of spaced apart ribs. A slot is defined between adjacent ribs. The slots are open to the outer sides of the housing. A terminal positioned within each slot and is connected to the housing. This provides for the terminals to be substantially exposed to the environment so that air can flow over the terminals to dissipate heat therefrom.

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 includes a housing (1) and a plurality of terminals (10) having parallel upper and lower arms (11, 12) that have projections (11A, 12A) between which a flat circuit board (F) is inserted for electrical connection to the terminals (10). The projection (12A) of the lower arm (12) has a sharp point.

Abstract: A connector includes a plurality of first contacts each having a contact arm that contacts a first surface of an object of connection and a plurality of second contacts each having a contact arm that contacts a second surface of the object of connection. The plurality of first and second contacts are alternately disposed in a contact arrangement direction in a housing. Each of the first contacts has a first projection that extends from a front end of the base member adjacent to a lower press-fitting member along an axial direction of a first contact accommodating compartment. Each of the second contacts has a second projection that extends from a front end of a base member adjacent to an upper press-fitting member along an axial direction of a second contact accommodating compartment. The first and second projections contact inner wall surfaces of projection receiving openings formed in the housing.

Abstract: A memory card connector includes an insulating housing having a base board defining longer cavities thereon. Each longer cavity has a guiding cavity having two first mounting grooves. The guiding cavity extends rearward to form a connecting cavity being wider than the guiding cavity. The bottom of the connecting cavity extends rearward at one side to form a first receiving cavity, and the other side of the connecting cavity extends rearward to form a second receiving cavity. Longer terminals received in the longer cavities have a base portion having two restraining portions protruding from two sides of the base portion. The rear end of the base portion stretches rearward to form a connecting portion wider than the base portion. One side of the connecting portion extends rearward to form a fixed portion, and the other side extends rearward to form a contacting portion spaced away from the fixed portion.

Abstract: The DIP connector of the present invention comprises a housing being provided with a receiving chamber into which a counterpart member being to be fitted, and a contact being fitted in a storing concaved part being concaved from the receiving chamber. The storing concaved part is bounded by a bottom wall, and a first wall and a second wall on both the ends in a width direction and third walls on both sides in a depth direction, of the housing. The bottom wall is provided with a support wall dividing the storing concaved part into a first concaved part and a second concaved part.

Abstract: In some embodiments, an electronic circuit card includes an edge connector positioned along an edge of the electronic circuit card, wherein the edge connector includes a conductive finger on an outer layer of the electronic circuit card, and a via positioned within the conductive finger, wherein the via electrically connects the conductive finger to another layer of the electronic circuit card. In some embodiments, an electronic circuit card includes an edge connector positioned along an edge of the electronic circuit card, wherein the edge connector includes a conductive finger having a stepped shape. In some embodiments, a connector housing defines a slot, and a plurality of contacts may be disposed inside the housing and positioned along at least one side of the slot, wherein the contacts include a contact surface which is relatively wider at respective interface points on the contacts. Other embodiments are disclosed and claimed.

Abstract: A connector is assembled by providing a base and an earth terminal unit which is located to be aligned with the base and the earth terminal unit is pressed into the base to let a front end of the earth terminal unit contact an inside of the base. A casing is then provided to be in alignment with the base and then press the casing into the base. A signal terminal unit is then provided which is in alignment with the base. The signal terminal unit is then pressed into the base and a front end of the signal terminal unit contacts the inside of the base. By the method, the signal terminal unit is securely connected to the base.

Abstract: A connector includes a housing having a plurality of spaced apart ribs. A slot is defined between adjacent ribs. The slots are open to the outer sides of the housing. A terminal positioned within each slot and is connected to the housing. This provides for the terminals to be substantially exposed to the environment so that air can flow over the terminals to dissipate heat therefrom.

Abstract: A method, apparatus and system are disclosed for a Peripheral Component Interconnect (“PCI”) Express connection device that supports use of device bus widths different than the size of the connector in communication of data processing, addressing and/or control signals between electronic and/or computer devices. Specifically, a PCI Express connector is disclosed that allows installation of a PCI Express adapter having a larger bus width than that of the connector itself, by including an opening (or “notch”) in at least one end of the connector to physically accommodate the larger dimension(s) of the adapter.

Abstract: A connector device includes a plug including a plurality of plug terminals and a socket including a plurality of socket terminals. Ground plug terminals each have a recess on the contact surface, and ground socket terminals each have a dimple on the contact surface thereof. The dimple of the ground socket terminal is elastically urged to the recess of the ground plug terminal for obtaining a firm electric contact between the ground plug terminal and the ground socket terminal.

Abstract: A female side connector for high current includes at least one contact unit including a contact, a contact support section, and a connection terminal: and a connector housing for placing the contact support section. The contact is provided by superposing a plurality of L-shaped and thin plate-like contact elements in the plate thickness direction, the contact element has a rectangular base end and a pair of elastically deformable arms that extend from the upper part of the rectangular base end and that respectively have opposing contact points at the neighborhood of the tip end. The contact support section supports the contact. The connection terminal is integrated with the contact support section and electrically contacts with outside. The contact is provided such that at least two or more contact elements having respectively different distances from the arm tip end to the contact point are superposed in the plate thickness direction.

Abstract: A memory card connector has an insulative frame, a plurality of conductive terminals received in the insulative frame, an ejecting device for guiding a memory card in or out, a shell shielding the insulative frame, and an activation switch. The conductive terminals have at least two power terminals for power supply. Each power terminal has double springy connecting points and a channel between the two connecting points, whereby the two connecting points are apart from each other for engaging contacting points of the memory card firmly. The activation switch is normal-closed type and includes a switch base, a bias strip integrally stamped from an end of the switch base, and an interferential strip at another end of the switch base. The bias strip is substantially inclined upwardly and has a guiding portion, a connecting portion, and a bending portion for providing a certain resiliency.

Abstract: A housing made of an insulating synthetic resin has a connecting recess opened in the connecting direction. The side walls defining the connecting recess is provided with terminal retainer recesses arranged side by side in the lateral direction. The openings are formed in the portion of the outer side surface of each side wall which correspond to the partition walls separating adjacent terminal retainer recesses from each other. The openings have the terminal retainer holes, which are formed on both sides of the corresponding partition walls, opened to the exterior thereof. When the housing is molded, the pins for forming the openings are interposed among the ribs of the metal mold which are used to form the adjacent terminal retainer recesses, the deformation of the ribs being thereby held down.

Abstract: An electrical connector assembly (1) includes a first connector (2) and a second connector (3) for mating with the first connector. The first connector includes a housing (21) and a plurality of male contacts (22) and female contacts (23) received therein. The housing includes a mating surface (210) for mating with the second connector and a mounting surface (211) for connecting with a printed circuit board. A plurality of parallel slots (2101) is defined in the mating surface, and therefore a partition wall (2102) is formed between two adjacent slots. Furthermore, the width of the partition wall is substantially equal to the width of the slot. The male contacts and the female contacts are arranged in both side surfaces of each partition wall, and also in opposite inner surfaces of each slot. The second connector has substantially the same configuration as the first connector.

Abstract: A card edge connector is provided, and comprises a first insulating housing, a second insulating housing, a pair of latches and a plurality of conductive terminals. The first insulating housing comprises a first elongated base and a pair of supporting beams. Each of the supporting beams comprises a first sliding portion. The second insulating housing comprises a pair of second sliding portions and a second elongated base with a slot and a guiding block. The second sliding portions connect with the first sliding portions. The latches are pivotally connected to the supporting beams respectively. The conductive terminals, comprising a guiding portion and a contact portion, are disposed in and through the first elongated base. When an electronic card is inserted into the slot, the relative sliding between the guiding block and the guiding portion determines if the contact portion is in contact with the electronic card inserted in the slot.

Abstract: Contacts are provided wherewith attachment to a board can be made with adequate attachment strength, without requiring soldering, which can be easily removed from the board without causing damage to occur. Parts of wiring rounds 37 positioned at the extreme diagonally lower right point on a printed circuit board 31 are clamped from above and below by the upper portion of a wiring round side contact part W, indicated by solid lines, facing on a slit 39 positioned at the extreme diagonally lower right point in a base 19, and by the lower portion of a wiring round side contact part W indicated by broken lines. The part of the wiring rounds 37 is clamped by the wiring round side contact part W, by spring forces that operate in directions to tighten that part, which spring forces develop in the upper portion and the lower portion of the wiring round side contact part W.

Abstract: A connector system and method for cooperating printed circuit boards includes a housing member having a clip receiving slot and circuit board engaging surface that is positioned against a first printed circuit board. At least one electrically conductive clip member has opposing ends and is received within the clip receiving slot. One end is readily secured by soldering to a circuit on the first printed circuit board and the other end is biased into connection with the circuit of a second printed circuit board such that high frequency radio frequency signals are transferred from one printed circuit board to the other printed circuit board via the clip member.

Abstract: A card-edge connector of the present invention includes a card member including a circuit board and a plurality of card-edge electrodes arranged on the circuit board. A connector is affixed to a stationary board and includes a plurality of contacts corresponding one-to-one to the card-edge electrodes. The card member further includes an insulation cover covering an area where the card-edge electrodes are arranged and formed with a plurality of slots via which the card-edge electrodes each are partly exposed to the outside. When the card member is inserted into the connector, the card-edge electrodes and contacts are electrically connected to each other.

Abstract: An electrical connector (1) includes a dielectric housing (2) and a number of first and second contacts (3, 4) received in the housing. Each first contact includes an intermediate portion (30), an engaging portion (32) extending upwardly from a top end of the intermediate portion and a compliant portion (34) extending downwardly from a bottom end of the intermediate portion for connecting to a printed circuit board. The intermediate portion is coplanar with the compliant portion and is formed with a tab (300) substantially perpendicular to the compliant portion. The tab abuts against the housing for resisting an upward force exerted on the first contact.

Abstract: According to some embodiments, a device includes a connector to hold an electrical module at an acute angle with respect to a surface on which the connector is to be mounted, and a first contact, a first portion of the first contact to contact the surface and a second portion of the contact to contact the electrical module, a distance between the first portion and the second portion equal to a first length. A device may also include a second contact adjacent to the first contact, a first portion of the second contact to contact the surface and a second portion of the second contact to contact the electrical module, a distance between the first portion of the second contact and the second portion of the second contact substantially equal to the first length.

Abstract: A mini memory card connector is constructed to include an insulating housing defining an insertion slot for receiving one of a set of mini memory cards, front terminal grooves, middle terminal grooves, and rear terminal slots, a set of first terminals respectively mounted in the front terminal grooves for the contact of a first mini memory card, a set of second terminals respectively mounted in the middle terminal grooves for the contact of a second mini memory card, and a set of third terminals respectively mounted in the rear terminal slots for the contact of a third mini memory card.

Abstract: An electrical connector (1) includes a dielectric housing (10) and a number of upper and lower terminals (20, 30). The dielectric housing defines a slot (15) extending in a longitudinal direction thereof and a number of upper and lower passageways (16, 17) communicating with the slot. The upper and lower terminals are respectively received in the upper and lower passageways. Each of the upper and lower terminals includes a mounting plate (21, 31), a resilient arm (22, 32) extending from the mounting plate for electrically connecting with an electronic card, a solder tail (25, 35) extending from the mounting plate for electrically connecting to the PCB, and upper and lower retaining portions (23, 33, 24, 34) extending from the mounting plate in a same direction and are retained in the housing.

Abstract: An electrical connector (1) includes a dielectric housing (2) and a number of first and second contacts (3, 4) received in the housing. Each first contact includes an intermediate portion (30), an engaging portion (32) extending upwardly from a top end of the intermediate portion and a compliant portion (34) extending downwardly from a bottom end of the intermediate portion for connecting to a printed circuit board. The intermediate portion is coplanar with the compliant portion and is formed with a tab (300) substantially perpendicular to the compliant portion. The tab abuts against the housing for resisting an upward force exerted on the first contact.

Abstract: An electrical connector (10) includes an insulative housing (20) and a number of terminals (30, 40) retained in the insulative housing. The insulative housing defines a number of receiving passageways (24) for respectively receiving the terminals. The terminals each include a mating arm (308, 408) at a bottom end thereof for electrically connecting with a mating PCB (50) and a locking arm extending upwardly from the bottom end thereof. At least one locking arm engages with a bottom surface (501) of the PCB to prevent the terminals from moving upwardly.

Abstract: An electrical connector (1) includes an insulating housing (2), a number of terminals (3, 4) retained in the housing and a pair of board locks (5) secured on the housing. The housing defines a pair of receiving spaces (24) at opposite ends thereof and a pair of slots (25) communicating with the receiving spaces, respectively. Each board lock includes a body portion (50) received in the receiving space of the housing, a compliant portion (54) extending from the body portion for being received in a corresponding through hole of a circuit substrate and a beam portion (52) extending from the body portion opposite to the compliant portion. The beam portions are received in the slots of the housing for preventing the board locks from being pushed out from the housing.

Abstract: Problem to be Solved Allowing mounting of a hard disc drive on a substrate without useless open space remaining on the substrate, and allowing miniaturization of the substrate. Means to Solve the Problem A connector structure providing a female connector 10 fixed to a substrate B and a male connector 20 provided on a hard disc drive D to be mounted on the substrate B, wherein grooves 12 that open continuously on the upper surface 11b and the side surface 11c thereof are provided formed substantially perpendicular to said substrate B on the female connector 10, and at the same time, female contacts 13 are provided inside these grooves 12, male contacts 22 that engage the female contacts 13 are provided so as to protrude sideways from the hard disc drive D, the hard disc drive D is brought into contact to the substrate from above, and by this process, the male contacts 22 are inserted into the grooves 12 and engages with the female contacts 13.

Abstract: An electrical connector (10) includes an insulative housing (20) having a mating face (21) and a mounting face (22) and a plurality of contacts (30, 40). Two receiving slots (26) are defined between the mating face and the mounting face. A plurality of passageways (24) are defined in the housing and communicate with the receiving slots. The contacts are arranged into the passageways. Each contact comprises a contact portion (301, 401) received in the passageway and partly exposed in the slot, a first mounting portion (303, 403) fixed within the housing, a second mounting portion (306, 406) offset the first mounting portion and fixed with the housing, a bending portion (304, 404) having a first part bent toward the contact portion and a second part connecting with the second mounting portion, and tail portion (306, 406) extending downwardly from the second mounting portion.

Abstract: A low profile electrical connector (4) includes an insulative housing (5), a number of electrical contacts (6) and a pair of boardlocks (7) retained to the insulative housing. The insulative housing has a number of passageways (505) extending vertically through a longitudinal side (500) thereof and two slots (504). The passageways communicate with the slots through longer and shorter openings (508), (509). Each electrical contact has a retention portion (60), a transitional portion (62), and a curved contact section (64). The curved contact sections protruding through the longer openings into the slots are located vertically higher than the curved contact sections protruding through the shorter openings. Both the retention and the transitional portions of the electrical contacts corresponding to the longer openings engage with the insulative housing while only the retention portions of the electrical contacts corresponding to the shorter openings engage with the insulative housing.

Abstract: A connection device for electrically connecting a contact 304 of an equipment with a board 36 in a battery 100, the device comprising a housing 41 having an aperture 40H, and a connection terminal 300 arranged within the housing 41 correspondingly to the aperture 40H, the connection terminal having a plurality of first connecting parts 302 for pinching and holding the contact 304 of the equipment so as to be electrically connected with the contact 304 of the equipment and a plurality of second connecting parts 303 provided integrally with the plurality of first connecting parts 302 for pinching the board 36 to electrically connect the plurality of first connecting parts 302 with the contact 304 of the equipment.

Abstract: Contacts are provided wherewith attachment to a board can be made with adequate attachment strength, without requiring soldering, which can be easily removed from the board without causing damage to occur. Parts of wiring rounds 37 positioned at the extreme diagonally lower right point on a printed circuit board 31 are clamped from above and below by the upper portion of a wiring round side contact part W, indicated by solid lines, facing on a slit 39 positioned at the extreme diagonally lower right point in a base 19, and by the lower portion of a wiring round side contact part W indicated by broken lines. The part of the wiring rounds 37 is clamped by the wiring round side contact part W, by spring forces that operate in directions to tighten that part, which spring forces develop in the upper portion and the lower portion of the wiring round side contact part W.

Abstract: Each the contact terminal includes a plurality of contact units stacked with each other, wherein contact point sections of the respective contact units are distributed to disperse in lengthwise direction of the contact terminal within the corresponding contact pad. The distal end of the innermost contact unit in the plurality of stacked contact units extends to a position at which it is not entangled with the distal end of the adjacent contact unit.

Abstract: An electrical connector comprises a body portion comprising a vertical portion and a horizontal portion connected to the vertical portion. A reception slot is defined in the vertical portion. A plurality of first contacts are formed in the reception slot. A plurality of second contacts expose from the horizontal portion.

Abstract: A plurality of signal contact grooves 21 are provided in a laterally extending row, each groove opening through the front surface of a rear wall 11 of a housing 10. In each of the signal contact grooves 21, a first signal-transmission contact 30 and a second signal-transmission contact 40 are mounted in a front and rear pair. The second arm portions 44 of the second signal-transmission contacts 40, which are positioned rearward, are positioned above and extend longer than the second arm portions 34 of the first signal-transmission contacts 30, which are positioned forward. As a result, the contact portions 35 and 45 of the first and second signal-transmission contacts 30 and 40 are aligned in upper and lower rows in front of the front surface of the rear wall 11. This design is advantageous in reducing the number of steps necessary for the production of the signal-transmission contacts of the connector, and it also makes the mounting of the contacts into the housing easy, improving productivity.

Abstract: The housing 10 is formed such that when the tilting angle of a miniature card 70 is in a predetermined range of acute angle (e.g., 20 to 25 degrees), the lower end 70a of the miniature card 70 is insertable into the groove 14 of the housing 10. In addition, guide portions 27 and 28 are provided on the front surface of the rear wall 11 and on the upper end of the front wall 12, respectively, to lead the lower end 70a of the miniature card 70 which is tilted to an angle greater than the predetermined range. Thereby, the space required for the installation of the miniature card is made relatively small to produce a compact connector. The groove 14, into which the lower end 70a of the miniature card 70 is inserted for the installation of the miniature card, is formed or defined by the rear wall 11 and the front wall 12 of the housing 10, and lateral arms 13 are provided at the lateral ends of the rear and front walls 11 and 12 to connect these walls.

Abstract: An electrical connector comprises an elongated connector body (1) having a plug cavity (2) for receiving a mating connector; a plurality of partition walls (8) provided within the plug cavity (2) with a predetermined pitch to form a plurality of terminal mounting spaces (9); a plurality of contact terminals (12) each having a fixing section (13), a terminal lead (14) extending from one end of the fixing section, a U-shaped section (15) extending from the other end of the fixing section, and a contact section (16) extending from the U-shaped section. The fixing sections are mounted in the terminal mounting spaces such that the terminal leads projecting from the connector body and the contact sections facing a center of the plug cavity; and a device for preventing the contact sections from moving toward the fixing sections. Protrusions (11) are provided on sides of the partition walls (8) enter the gaps (17) between the contact sections (16) and the fixing sections (13).

Abstract: A PCMCIA card connector (1) includes a dielectric housing (20) and a plurality of first and second terminals (31, 32) received in the dielectric housing. The dielectric housing defines a front mating face (25) for engaging with an electronic card (not shown) and a rear face 23 opposite the mating face. The first and second terminals have solder tails (31c, 32c) for soldering to a printed circuit board (4). The solder tails of the first terminals extend forwardly beyond the mating face. The solder tails of the second terminals extend rearwards beyond the rear face.

Abstract: A surface mount connector is disclosed having an improved terminal construction that avoid shorting between adjacent terminal contact portions, while maintaining a multi-pole structure with a reduced pitch of the terminal solder tail portions. The connector has an insulative connector housing with a plurality of terminals loaded in the housing on opposite sides of an opposing connector engaging slot. The terminals have contact that face into the slot and which are arranged in parallel in a predetermined pitch. Solder tail portions of the terminals extend underneath portions of the terminals and are arranged in parallel in a pitch that is one-half that of the pitch of the terminal contact portions.

Abstract: An electrical connector system includes a dielectric housing having a pair of wings defining a circuit-receiving slot therebetween. A plurality of terminals are mounted on the housing. The terminals have contact portions located at opposite sides of the slot. A flat circuit has an edge insertable into the slot. An actuator is mounted on and carried by the flat circuit. The actuator has actuator portions operatively associated with the terminals to bias the contact portions of the terminals into engagement with opposite sides of the flat circuit in response to inserting the edge of the circuit into the slot.

Abstract: A multiple-port receptacle connector unit comprises two parallel insulative housings connected to each other at respective ends thereof via two bridge portions thus defining a space therebetween. Each insulative housing defines a mating port along a lengthwise direction thereof and comprises at least one row of surface mount contacts each of which has a contacting portion vertically exposing to the mating port and a soldering portion horizontally exposing to external from a bottom of the insulative housing.

Abstract: An electronic card connector includes a connector portion having a header retaining a plurality of first contact elements therein. Each first contact element has a first end extending beyond a first face of the header for engaging with an electronic card and a second end extending beyond a second face of the header. A mounting portion includes a housing defining a plurality of passageways between third and fourth faces thereof for receiving and retaining second contact elements therein. The second ends of the first contact elements are inserted into the passageways of the mounting portion from the third face thereof for electrically engaging with the corresponding second contact elements. A slot is defined in the fourth face of the mounting portion for receiving a circuit board. The slot is in communication with the passageways whereby the second contact elements are partially extended into the slot for electrically engaging with the circuit board.

Abstract: A component module holder is adapted to hold a plurality of integrated circuit devices in alignment with one another in a way that enables the devices to be directly plugged to a printed circuit board. In this condition, the holder is secured to said printed circuit board with the contacts on said integrated circuit devices making contacts with appropriate contacts on the printed circuit board. This direct contact between the packaged integrated circuit device leads and a board may reduce the die bond pad to board pad stub length, improving speed. This arrangement may also allow the integrated circuit devices to be replaced and upgraded as a whole as needed. The holder may be utilized, for example, to upgrade system integrated circuit devices in computer systems by providing a plurality of connected, integrated circuit dynamic random access memory elements directly pluggable onto a computer system motherboard.

Abstract: A printed circuit card having first and second circuit units mounted thereon in connection to terminal pads adjacent two card edges, with the first and second circuit units being in connection to each other and to select pads of a first edge such that upon insertion of that edge into a given card socket, both circuit units are enabled, and the circuit units also being in connection to the pads of a second edge such that upon insertion of that edge into a second card socket, only the second circuit unit is enabled. In the preferred embodiment, the card is a memory module card having buffer and memory circuit units designed to cooperate with each other and with either of standard, buffered or unbuffered memory card sockets in a system board in accordance with insertion of a first or second pad edge in one of the card sockets to automatically provide, either combined circuit unit operation, or single circuit operation. The invention is also applicable to clocked register circuits and series pass devices.

Abstract: A card edge type electrical connector including dual-beam ground contacts each having splayed pre-loaded tips and a realignment twist enabling a plurality of such contacts to be gang inserted into the insulator housing of the connector. To adjust the pitch of the pre-loaded tips, a predetermined twist is added to the bottom of the contacts during the stamping operation which re-aligns the tips with the correct contact receiving apertures. The re-alignment twist disappears once the contact(s) are fully seated in the insulator housing, thus allowing the pre-loaded tips to reach their ultimate position within the insulator housing relative other adjacent contacts.

Abstract: A method and structure of an electrical connector is provided for tuning the impedance of the connector according to a given impedance of an electrical circuit in which the connector is interconnected. The connector includes a dielectric housing having a receptacle for receiving a complementary mating connector. A plurality of terminals are mounted on the housing. The terminals include body portions located in the housing and contact portions located at the receptacle for engaging appropriate terminals of the mating connector when inserted into the receptacle. The areas of the body portions of the terminals are selectively varied to vary the capacitance of the terminals and, therefore, the impedance of the connector to match the given impedance of the electrical circuit.