Abstract: The invention relates to a spindle motor having a sealing support film which prevents exchange of air between the interior and surroundings of the spindle motor. In spindle motors for hard disk drives it is extremely important to construct the spindle motor so that it is sealed tight against the external environment, ie so that from the connecting side of the spindle motor no admission of air to the interior of the spindle motor can occur. A further characteristic of the invention consists in that the support film is bonded and fixed in place in sealing manner by means of an adhesive which does not give off gas or does so only very slightly.

Abstract: A keying system is provided in a connector assembly for electrically interconnecting the conductors of a flat flexible circuit to the conductors of a complementary connecting device. The assembly includes a first connector having a body member for positioning the flat flexible circuit thereon. A second connector mates with the first connector and includes a pattern of keying projections insertable into a corresponding pattern of keying holes in the flat flexible circuit on the first connector.

Abstract: A method for separating a metallic braid from a core wire of a micro coaxial cable during connecting the coaxial cable to a printed circuit board (PCB) is disclosed. The coaxial cable includes a sheath surrounding the metallic braid and the inner conductor. An apparatus for performing the method includes a rotiform brush, a spin shaft extending through the rotiform brush and an electrical motor for driving the spin shaft and the rotiform brush. The rotiform brush includes a circular frame and a plurality of densely arranged hard brushings attached to the frame.

Abstract: The electrical connector can be used to establish mechanical and electrical connection between a flexible component, such as, a flexible circuit or a flexible cable, and a printed circuit board. The connector generally comprises an upper housing, a contact housing, contacts, expandable leg members and post elements. The expandable legs are disposed on the upper housing. The contacts are disposed in openings in the contact housing. In order to use the connector, the flexible component is placed between the contact housing and the upper housing. Alignment posts ensure that the contacts and the conductors on the flexible component are precisely aligned. The connector is mounted to the circuit board by inserting the expandable legs in mounting holes in the circuit board. Once inserted, the expandable legs can be radially expanded by driving the post elements into the expandable legs. The circuit board also include alignment holes which ensure the proper orientation of the contacts to circuit board.

Abstract: A connector assembly comprising a base portion which plugs into the base of the motor shaft and a connector body having electrical interface rods along an axial face thereof. A flexible printed circuit having one end connected to the stator has dedicated connector pads on a surface thereof which line up with and are intended to be pressed against the molded body connector rods. To maintain the pads and rods in tight electrical contact, a connector snap spring assembly is snapped in place over the connector body.

Abstract: A cable includes a number of coaxial wires. Each of the wires has a central conductor encompassed by a dielectric sheath, and the sheath is encompassed by a conductive shield. The wires are arranged side-by-side in a row at an end of each wire, where a termination element is connected. The termination element has opposed major faces, with an array of first contacts on a first face, and an array of second contacts on the opposed face, each of the first contact being electrically connected to a corresponding second contact. Each of the central conductors of the wire elements is connected to a corresponding one of the first contacts. An electronic device may include circuit boards at each end, with contacts arranged for compressive contact with the second contacts. The termination element may be captured between a clamp and the board, with an elastomeric spring maintaining compression, and pinned holes in the termination element and board ensuring registration of the contacts.

Abstract: A modular, snap-together clamping system for electrically interconnecting two printed circuit boards using a flexible circuit is provided. The clamping system comprises two inboard clamp members which are configured to cooperate with two generally complimentary outboard clamp members, so as to capture a portion of each of the printed circuit boards along with two end portions of the flexible circuit between the inboard clamp members and the outboard clamp members in a manner which facilitates electrical connection of each of the two printed circuit boards with the flexible circuit. The inboard clamp members are also configured to facilitate attachment of an interchangeable spacer thereto. The spacer is configured to facilitate desired positioning of the two printed circuit boards with respect to one another.

Abstract: A flexible substrate is attached to a terminal connecting device by inserting hold pins of the terminal connecting device to associated holes of the flexible substrate. The terminal connecting device is attached to recesses of an external substrate by means of hold body sections, and concurrently, the signal input/output terminals of the flexible substrate are connected to those of the external substrate. The terminal connecting device is provided with resin springs acting as springs for pressing the signal input/output terminals of the flexible substrate to those of the external substrate to ensure that the signal input/output terminals of the flexible substrate are pressed to those of the external substrate to establish connections between these signal input/output terminals. With this arrangement, a terminal connecting device for a flexible substrate can be offered which allows for readily establishing connection between the external substrate and the flexible substrate.

Abstract: A connection-retaining unit comprises a connection-retaining body, which includes a through-hole, a plate-like memory card, which is inserted into and extracted from the connection-retaining body, and a flexible printed board, which is also attached to and detached from the connection-retaining body. A plurality of connection terminals are provided in the through-hole, each connection terminal having a print side terminal portion and a memory side terminal portion. The print side terminal portions of the connection terminals are connected with the electrically conductive pathways of the flexible printed board, which are exposed at an end thereof, while the memory side terminal portions are connected with the terminals of the memory card, which are provided at a front end thereof.

Abstract: A positional encoder assembly including a positional encoder, an interface unit releasably connectable with the positional encoder for connecting the positional encoder with a data bus, and connection elements providing for connection of the interface unit with the positional encoder and for disconnection of the interface unit therefrom upon displacement of the interface unit relative to the positional encoder.

Abstract: An electrical connector includes a flexible circuit substrate extending between a pair of mechanical connectors to electrically couple circuits, and a supporting member between the mechanical connectors to reduce twisting of the flexible circuit substrate. The supporting member cambered to permit the mechanical connectors to translate with respect to one another. A clamping member includes a tapered clamping surface in an undeformed, unclamped position. The clamping member bends when in a clamped position, resulting in approximately planar clamping surface. Resilient pressure pads on the clamping members bias the flexible circuit substrate to the circuit board. The pressure pads are mounted in wells in the clamping members to support a side wall of the pressure pads. Frames provide additional support to the side walls of the pressure pads. The pressure pads include a raised edge along a periphery of a contact surface of the pressure pad.

Abstract: An electrical connector includes a electrical connector extending between a pair of mechanical connectors to electrically couple circuits, and a supporting member between the mechanical connectors to reduce twisting of the electrical connector. The supporting member cambered to permit the mechanical connectors to translate with respect to one another. A clamping member includes a tapered clamping surface in an undeformed, unclamped position. The clamping member bends when in a clamped position, resulting in approximately planar clamping surface. Resilient pressure pads on the clamping members bias the electrical connector to the circuit board. The pressure pads are mounted in wells in the clamping members to support a sidewall of the pressure pads. Frames provide additional support to the sidewalls of the pressure pads. The pressure pads include a raised edge along a periphery of a contact surface of the pressure pad.

Abstract: In an electronic device, a board connection structure of the present invention is provided, that electrically connects conductive parts of multiple circuit boards arranged in layers. The board connection structure reduces the positional displacement of the two circuit boards without considering the positioning precision of connectors provided on each circuit board. The board connection structure of the present invention is a board connection structure 1 which connects electrically conductive parts (13, 23) of two circuit boards (11, 21) arranged in layers. The board connection structure has a pair of connectors (31, 41) which have electrical continuity with the conductive parts (13, 23) of the two circuit boards (11, 21) arranged facing each other, and a flexible wiring board 51 which is electrically connected with each of the pair of connectors (31, 41) and ensures electrical continuity between the connectors (31, 41).

Abstract: An apparatus (10) includes a base (20) and a plurality of electrically conductive frets (14) connected to the base. The frets (14) have exposed portions (82) on a first surface (40) of the base (20). The apparatus (10) further includes a cover (22) and a pad (80) that is connected with a second surface (62) of the cover (22). The cover (22) is connected with the base (20) such that the second surface (62) of the cover overlies the first surface (40) of the base and the pad (80) overlies the exposed portions (82) of the frets (14). The pad (80) is compressed between the frets (14) and the cover (22).

Abstract: An electrical conductor strain relief for connecting electrical conductors to a printed circuit board. The strain relief includes a first member having a first array of first conductor receiving holes and a second member having a second array of second conductor receiving holes. The second member is connectable to the first member at a predetermined fixed location such that the second holes are at least partially aligned with respective ones of the first holes as pairs of holes. The first and second holes of each pair of holes have center axes which are offset relative to each other.

Abstract: A device for the electrical and mechanical connection of a first, preferably elastically flexible printed circuit board to a second printed circuit board wherein an electrically conductive contact pin, protruding from the second printed circuit board and projecting through an opening in the first printed circuit board, is electrically conductively connected to a conductor track of the first printed circuit board. The device further includes an electrically conductive clamping part with elastically flexible protrusions embodied on it that embrace the contact pin by nonpositive engagement, and a bearing region of the clamping part that is electrically connected to the protrusions is pressed in prestressed fashion against a conductor track disposed on the first printed circuit board.

Abstract: An instrument cluster has a rigid printed circuit board (3) on the rear side of a basic (1). On the front side, the basic body (1) is partially covered by a supporting body (10) which is connected in an articulated manner to the basic body (1). A flexible printed circuit board (12) extends over the front side of the basic body (1) and the supporting body (10), the printed circuit board having a connecting region (13) which is deflected by a defined angle with respect to an edge region of the rigid printed circuit board (3) and is connected to this printed circuit board (3) by bow-type soldering (14) for example.

Abstract: An apparatus (10) includes a base (20) and a plurality of electrically conductive frets (14) connected to the base. The frets (14) have exposed portions (82) on a first surface (40) of the base (20). The apparatus (10) further includes a cover (22) and a pad (80) that is connected with a second surface (62) of the cover (22). The cover (22) is connected with the base (20) such that the second surface (62) of the cover overlies the first surface (40) of the base and the pad (80) overlies the exposed portions (82) of the frets (14). The pad (80) is compressed between the frets (14) and the cover (22).

Abstract: An electronic interconnect includes a flexible circuit which has a plurality of contacts formed thereon. A plurality of springs is positioned so as to apply a compressive force to at least one of the contacts when the electronic interconnect is mated. A resilient material is configured to apply a compressive force to at least one of the springs.

Abstract: A keyswitch includes a keyboard base 3, a guide support member 4 disposed on the keyboard base 3, a flexible circuit board 8 disposed on both sides of the guide support member 4 on the keyboard base 3, an elongated key top 2, and a pressing member 9 for pressing the flexible circuit board 8 toward the keyboard base 3. The pressing member 9 is disposed on both sides of the guide support member 4 directly beneath the elongated key top 2 near lengthwise ends of the elongated key top 2. When the elongated key top 2 is pressed down the guide support member 4 and the pressing member 9 are housed within the elongated key top 2.

Abstract: A flexible asymmetrical jumper assembly is used to electrically join to circuit boards together where the geometry requires that the jumper be bent, often in a tight loop, so that the pads which form the ends of the jumper are parallel to each other. The jumper assembly contains two sets of wires, each set containing an array of foil fingers terminated in pads. The upper set of wires is bonded to the upper side of a central insulating sheet, while the lower set is bonded to the lower side of the central insulating sheet. An upper insulating sheet is bonded to the upper side of the upper set of wires, leaving the pads exposed for later soldering. A lower insulating sheet is likewise bonded to the lower side of the lower set of wires, with the pads also exposed. A hole is drilled through each upper pad, through the center insulating sheet, and into the corresponding lower pad. The holes are then through plated. The pads are of two different types, a major, or larger pad, and a minor, or smaller pad.

Abstract: A housing 10 includes a board-side housing 17, which holds metal terminals 11, and a cable-side housing 18 holding a flat cable 12. When the two housings 17 and 18 are connected together, conductors 14 are connected to the metal terminals 11, respectively. When the conductors 14 are disconnected from the metal terminals 14, the flat cable 12 continues to be held by the cable-side housing 18, and therefore the orderly arrangement of the conductors 14 will not be disturbed, and also the conductors 14 will not be deformed. Therefore, when the conductors 14 are to be again connected to the metal terminals 11, respectively, the conductors 14 do not need to be corrected in shape and arranged properly. In the cable-side housing 18, a holding member 26 is pivotally supported on a positioning member 25, and therefore the excellent operability is obtained when moving the holding member to a holding position.

Abstract: A terminal side load electrical connector positions a series of terminals of a flex circuit into a core in unison. The core has a peripheral surface extending between a contact surface and a conductor surface. The terminals are assembled to the core through the peripheral surface. A housing has a conductor opening opposite to a contact opening. The core with the pre-assembled terminals insert into the housing through the conductor opening. The contact surface of the core is exposed through the contact opening of the core. The housing engages the peripheral surface of the core thereby preventing the disengagement of the terminals from the core.

Abstract: A printed circuit board assembly comprises a circuit membrane, a printed circuit board, a cover plate and two screws. The cover plate has an arch-shaped bump formed thereon such that the ribbon cable has firm contact with the printed circuit board. Therefore, the electric contacts of the printed circuit board are in firm contact with the electric contacts of the circuit membrane. The cost and assembling time is saved.

Abstract: A flexible board attaching-connecting device includes a case assembly, formed by incorporating a flexible board 2 in a case 1, and a board assembly formed by mounting a flexible board connector 3 on a printed circuit board 4, and an attaching-connecting operation can be made merely by dropping the case assembly onto the board assembly from an upper side.

Abstract: An improved high speed connector is provided in which conductive pads (34) are alternately disposed on both sides of a board (10). The conductive pad (34a) transmits a + differential signal, and the conductive pad (34b) transmits a − differential signal. These conductive pads are disposed on the same surface (10a). The pad (34c) used for grounding is disposed on the opposite surface (10b) so that this pad (34c) is positioned between the conductive pads (34a) and (34b), thus forming one set of pads. In the case of the conductive pads (34d), (34e) and (34f) of another adjacent set, the pad (34d) which transmits a − differential signal is disposed on the same side as the pad (34b) of the previous set which transmits the same − differential signal. The pad (34f) used for grounding is disposed on the opposite side from the pads (34d) and (34e).

Abstract: The electrical connector can be used to establish mechanical and electrical connection between a flexible component, such as, a flexible circuit or a flexible cable, and a printed circuit board. The connector generally comprises an upper housing, a contact housing, contacts, expandable leg members and post elements. The expandable legs are disposed on the upper housing. The contacts are disposed in openings in the contact housing. In order to use the connector, the flexible component is placed between the contact housing and the upper housing. Alignment posts ensure that the contacts and the conductors on the flexible component are precisely aligned. The connector is mounted to the circuit board by inserting the expandable legs in mounting holes in the circuit board. Once inserted, the expandable legs can be radially expanded by driving the post elements into the expandable legs. The circuit board also include alignment holes which ensure the proper orientation of the contacts to circuit board.

Abstract: A Z-axis electrical interconnect includes a flexible printed circuit folded into a U-shape. The Z-axis electrical interconnect also includes a plurality of raised interconnection members arranged on the flexible printed circuit in a predetermined pattern and a circuit trace interconnecting the pair of raised interconnection members. The Z-axis electrical interconnect further includes a spring fixedly positioned on the flexible printed circuit to maintain the U-shape.

Abstract: A display unit installing and connecting device comprising a liquid crystal display unit 11, a holding member 10 for holding the liquid crystal display unit 11 and a flexible printed circuit board 12 connected to the liquid crystal display unit 11, a printed circuit board 20 to which the holding member 10 is fitted, spring bodies 21 mounted on the print board 20 and having a plurality of conductive springs 25 molded with resin. The flexible printed circuit board 12 is folded at the outside of the holding member 10. The device further includes means for electrically connecting the print board 20 and the flexible printed circuit board 12 by means of spring force of the spring bodies 21, whereby the print board 20 and the flexible printed circuit board 12 are electrically connected by means of spring force by the spring bodies 21.

Abstract: The present invention relates to an electric connection between the internal space of a flat screen and the outside by means of a conductive line of small thickness underlying a substantially thicker peripheral seal, and including an open-worked structure making its expansion easier, said open-worked structure being such that the electric connection has no rectilinear conductive section.

Abstract: In an operating component placement system for electronic equipment, assembly units (5) having cables (8) whereby operating components (6a to 6e) are connected to connectors (7a to 7e) are used to mount the operating components (6a to 6e) to a front panel (4), with connectors (7a to 7e) connected to connectors (3a to 3e) on a panel board (3) for signal input for various functions, and the cable lengths for operating component groups (6a to 6c) and (6d and 6e) having the same form established so as to be longer than the maximum distance between the connectors (3a to 3c) and (3d and 3e) to which each operating component group is to be connected on the panel board 3 and hole groups (4a to 4c) and (4d and 4e) for mounting each of the operating component groups to the front panel. Operating components having the same form can be selectively laid out by changing the cable positioning.

Abstract: An unlocking aid for unlocking contacts which are attached to a line and which are received in a housing by way of a respective primary latching mechanism wherein the unlocking aid is integrated in the plug and constructed such that all the primary latching mechanisms of the contacts can be released at the same time.

Abstract: A first printed circuit board has a contact area, and a second printed circuit board has a contact area. An electrically conductive band is to couple the contact area of the first printed circuit board to the contact area of the second printed circuit board. The conductive band may be selected from the group consisting essentially of a band formed from solder, a band coupled by a weld, a band coupled by a wire bond, a band comprising conductive adhesive, a band comprising conductive film, a band comprising conductive tape, and a band comprising conductive rope. The conductive band may couple the first printed circuit board and the second printed circuit board in a substantially coplanar position.

Abstract: A liquid crystal display device has: a liquid crystal display unit 11; a flexible circuit board 12 which is connected to the liquid crystal display unit 11, contact portions being formed in a tip end portion of the flexible circuit board, the flexible circuit board being bent back outside a holding member 10; the holding member 10 which holds the liquid crystal display unit 11; a printed circuit board 20 to which the holding member 10 is attached, and on which contact portions are exposed; conductor-embedded elastic members 30 through which the contact portions on the printed circuit board 20 are connected to the contact portions of the flexible circuit board 12, respectively; and a corrugated elastic member 40 which is interposed between the holding member 10 and the flexible circuit board 12 to press the flexible circuit board 12.

Abstract: A method and apparatus for coupling electrical connectors to a printed circuit board. The first and second clamp member are held in an open position with electrical connectors therebetween. While in the open position, the clamp is positioned over a printed circuit board, with the first and second clamp members aligned for connection to the circuit board. The clamp is then partially closed, to a preloaded position which aligns the electrodes in the clamping assembly with the electrodes on the circuit board. After the initial alignment has occurred, the clamp is firmly fastened to the printed circuit board, to electrically couple the electrodes of the connectors and the clamp to the electrodes on the printed circuit board.

Abstract: A contact structure of an electrical connector including a first connector having a plurality of electric contacts and a second connector having a plurality of electric contact elements elastically and independently supported by forming slits close about the electric contact elements. When the first connector is first urged against the second connector, the electric contact elements are inclined at an angle &agr; by the electric contacts. When the urging force of the first connector is then reduced, the electric contact elements are returned through an angle &bgr; which is less than the angle &agr; to accomplish the electrical connection between the electric contacts and the electric contact elements. An inspecting device for such an electrical connector includes a housing having a fitting opening for the first connector, a cover pivotally connected to the housing and having an anchoring portion engageable with an engaging portion of the housing, and a block for mounting the second connector thereon.

Abstract: A method for forming electrical interconnects for printed circuit boards and the like includes the steps of laminating a first surface of a rigid dielectric substrate with a first conductive laminate such that the first conductive laminate extends beyond at least one edge of the dielectric substrate, patterning the first conductive laminate to define a plurality of electrical interconnects which extend beyond the edge(s) of the dielectric substrate, forming a plurality of conductive traces on a second surface of the dielectric substrate and forming a plurality of openings in the dielectric substrate, each opening extending from a first location on the first surface of the dielectric which is proximate at least one electrical interconnect to a second location on the second surface of the substrate which is proximate at least one conductive trace.

Abstract: A Z-axis electrical interconnect includes a flexible printed circuit folded into a U-shape. The Z-axis electrical interconnect also includes a plurality of raised interconnection members arranged on the flexible printed circuit in a predetermined pattern and a circuit trace interconnecting the pair of raised interconnection members. The Z-axis electrical interconnect further includes a spring fixedly positioned on the flexible printed circuit to maintain the U-shape.

Abstract: A flat cable insertion socket has a pivotally connected cover for closing an open side of the socket and a plurality of internal terminal cavities for each receiving a terminal therein. The terminal each includes a barb portion that is provided at one side with at least two barbs. An additional hook may be optionally provided on the terminal opposite to the barb portion, so that a flat cable may be inserted into the socket to locate and be pressed between the barb portion and the additional hook without the risk of separating from the socket. The barb portions of the terminals in the flat cable insertion socket are so designed that the cover may be always located at an upward turnable position relative to the socket when the socket has been welded to a circuit board, and that the flat cable may always has its bared side effectively and electrically contacted with the terminals.

Abstract: An FPC mounting structure wherein an inner surface of a guide hole formed in a chassis is cut and raised to form a support projection, an FPC holder is formed with first and second holding portions which permit the support projection to be fitted therein, the FPC holder with a terminals-formed portion of the FPC attached thereto is inserted into the guide hole of the chassis and the first holding portion of the FPC holder to be fitted on the support projection, allowing the FPC holder to be supported by the chassis and allowing terminals on the FPC and circuit patterns on a printed circuit board to become conductive with each other.

Abstract: In an electronic control unit for controlling operation of various devices, a circuit board carrying electronic components thereon and a connector for connecting the control unit to outside devices are electrically connected through a flexible printed-circuit sheet. A casing of the control unit is designed to contain therein a circuit board selected from variously sized circuit boards. The circuit board may be functionally divided into a certain number of circuit boards. Some varieties of each functionally divided circuit board are prepared, and circuit boards meeting a particular requirement are selected from the varieties and used in a control unit. Thus, the electronic control units meeting various requirements are efficiently and economically manufactured.

Abstract: A line replaceable module (LRM) configured with a plurality of mini-modules, each of which have relatively higher contact densities than currently available LRMs with the same form factor, for example, a Standard Electrical Module-Size E (SEM-E) form factor. The mini-modules are significantly less expensive than an entire module allowing such mini-modules to be disposable, eliminating relatively costly fault diagnostics and repair. Each mini-module includes a printed circuit board which includes a rigid primary portion, a rigid secondary portion and flexible portion interconnecting the primary and secondary portions. The rigid secondary portion may be configured to provide dual-sided interconnection to a backplane data bus. Use of the dual-sided rigid secondary portion provides for generous spacing for contact densities much higher than known contact densities for LRMs with the same form factor. The rigid primary portion carries the components forming the LRM.

Abstract: A low inductance electrical spring connector for a disc drive interconnecting the conductors of a flex circuit support and seal apparatus to conductive traces on a PCB, the electrical spring connector having a dielectric housing with a plurality of spaced-apart insulator portions, and a plurality of conductive spring contacts disposed between the insulator portions. The dielectric housing forms an open ended insertion cavity disposable below the flex circuit support and seal apparatus. First ends of the conductive spring contacts are solderable to conductive traces on the PCB, while second ends of the conductive spring contacts are contact surfaces disposed in the insertion cavity . Inserting the conductors of the flex circuit adjacent the contact surfaces into the insertion cavity causes the contact surfaces to engage the conductors of the flex circuit to secure the flex circuit support and seal apparatus while providing electrical contact between the head-disc assembly and the printed circuit board.

Abstract: A low-voltage male connector designed to be plugged into a low-voltage female connector having a plurality of flexible pins serving to come into contact with the male connector so as to establish electrical contact between the male connector and the female connector, the male connector being provided with insulation-displacement contacts, each of which serves to receive a respective conductor wire, wherein the electrical connection between the flexible pins of the female connector and the insulation-displacement contacts is established by a printed circuit provided with conductor tracks, each of which connects a respective insulation-displacement contact to a respective pin.

Abstract: A connector (1) according to the present invention includes a housing (2) and terminal pins (3) mounted on the housing (2) for electrically connecting connection terminals (16) of a circuit board (15) to a conductor pattern of a flat cable (11). The housing (2) is bonded to the circuit board (15) by an adhesive for mechanical connection thereto. The housing (2) has a projection (5) which, together with the circuit board (15), forms a recess (17) for applying an adhesive thereto.

Abstract: A positional encoder assembly including a plug-in connector, a circular connector spaced from the positional encoder, a ribbon cable connected, at one of its opposite ends, with the plug-in connector and, at another of its opposite ends, with the circular connector, and an adaptor board arranged between the another end of the ribbon cable and the circular connector for connecting electrical conductors of the ribbon cables with the contact pins of the circular connector, with the adaptor board transforming an arrangement of the electrical conductors in the ribbon cable into an arrangement of the contact pins of the circular connector different from the arrangement of the conductors in the ribbon cable.

Abstract: A new electrical cryogenic connector system employs two printed circuit board type mating connectors (1 & 3), each containing a plurality of plated-on metal lines (5 & 6) running along the respective circuit boards in parallel, with the plated-on onmetal lines on at least one of the connectors being of Beryllium Copper material. The ends of the series of Beryllium Copper lines on one of the complementary circuit boards is formed into a pointed spring finger that is pointed toward the opposed circuit board. With the two boards sandwiched and pressed together with their plated on metal lines directly in line with and facing one another, the spring fingers compress and, under the spring force created by that compression, the spring fingers engage and maintain positive electrical contact with the corresponding conductor traces on the opposed circuit board. Ancillary to the described connector, a new method for constructing an electrical connector is also presented.

Abstract: In a device (23) for contact-connecting two circuit boards (17, 18) for a control device of a throttle valve of an internal combustion engine of a motor vehicle, contacts (24, 25) of one of the circuit boards (17) are arranged on a holding part (20). The holding part (20) is prestressed toward contacts (25) of the other circuit board (18). The holding part (20) is connected to said one circuit board (17) via elastic connecting lines (22). Tolerance compensation is provided as a result of this. Furthermore the circuit boards (17, 18) are reliably contact-connected to one another.

Abstract: A cable connector assembly and a method of fabrication thereof provides for easy and accurate electrical connection of flat cables having narrow pitch. Multiple conductors of a flat cable (15) are exposed by stripping near the end of the flat cable (15) to expose portions (18) of the conductors after which the flat cable (15) is placed nearly parallel against the surface of the printed circuit board (90) and the exposed portions (18) are soldered to conductive pads (93) on the printed circuit board (90). To other parts of the printed circuit (90), contacts (25,26) having contact sections (30) for the contacts of a matching connector are connected. This makes it possible to provide for the connection of all conductors of the flat cable (15) to appropriate circuits of the printed circuit board (90) to which contacts (25,26) are connected.

Abstract: A transition cable assembly comprises a flexible circuit having a connecting portion at one end and a socket connector at another end for mating with a complimentary connector. The flexible circuit defines at least a hole adjacent to the connecting portion. A strain relief is assembled to the flexible circuit adjacent to the hole thereby preventing the flexible circuit from breaking around the hole.