Abstract: A retention device (6) includes a main frame (60), a front and a rear foldable plates (61, 62) assembled to the main frame, a spring clip (65) and an actuating lever (66). The main frame is arranged for surrounding a package upon a socket (not shown). The spring clip is pivotably assembled to the rear foldable plate. The actuating lever is pivotably assembled to the front foldable plate. The actuating lever is rotated to lock the spring clip thereby the spring clip retaining a heat sink module (5) upon the package and the socket.

Abstract: An LGA connector (1) includes a housing (2), a multiplicity of terminals (6) received in the housing, a stiffener (3) mounted on the housing, a load plate (4) pivotally mounted to a second end portion (23) of the housing, and a load lever (5) attached to a first end portion (22) of the housing. The housing comprises two opposite sidewalls (24) each including two latch portions (240), two channels (244) in a bottom thereof at respective latch portions thereby forming two resilient arms (246). The stiffener includes two elongated first plates (32) having two latch slots (320) for engaging with the corresponding latch portions of the housing. Thus, flexibility of the latch portions of the housing is enhanced thereby facilitating easy attachment of the stiffener onto the housing.

Abstract: An electrical connector assembly (1) for electrically connecting an electronic package with a circuit substrate. The connector assembly includes a socket and a fastening device surrounding the socket. The fastening device includes a frame (2), a cam actuator (4) pivotably mounted to a first side of the frame, and a metal clip (3) pivotably mounted to a second side of the frame. The clip includes a post (3211) at a free end (32) thereof. The cam actuator includes a cam (41) defining a spiral groove (413) receiving the post. When the cam is driven, it drives the post downwardly, and simultaneously the clip moves slightly toward an end of the first side of the frame. However, excessive such movement in this direction is blocked by a wall of the cam at the groove. The clip reaches a final pressing position, in which the clip firmly presses the electronic package.

Abstract: A retention device (6) for securely retaining a heat sink module (5) and a package (4) upon a socket (3) includes a main frame (60), a spring clip (63) and an actuating lever (64). The main frame is mounted on a printed circuit board (2) surrounding the socket and package. The spring clip is pivotably assembled to the main frame, and includes a receiving arm (631) at a front end thereof. The actuating lever is assembled to the main frame and rotated to press against the receiving arm and securely retaining the heat sink module and package upon the socket.

Abstract: A retainer device for attaching a heat sink (80) to a CPU (95) includes a retention module (10), a clamp (40), and a crank (70). The retention module has a rectangular base frame (12), and four posts (14, 16, 18, 20) extending upwardly from the base frame. The clamp has two spaced hinge portions (48) pivotably received in two rearmost posts of the retention module. A hook (52) depends from a front of the clamp. The crank has an offset pressing portion (72), two pivot arms (74) extending from opposite ends of the pressing portion, and an operation rod (76) extending perpendicularly from one end of one pivot arm. The pivot arms are pivotably received in two frontmost posts of the retention module. When the operation rod is rotated down toward the heat sink and locked at one rearmost post, the pressing portion resiliently presses the hook of the clamp.

Abstract: A retainer device for attaching a heat sink (20) to a CPU (62) includes a retention module (50), a clamp (10), a U-shaped crank holder (30), and a crank (40). The retention module has a rectangular base frame (51), and four posts (52, 54, 56, 58) extending upwardly from corners of the base frame. The clamp has two hinge portions (18) rotatably attached to two rear posts. A hook (22) depends from a front of the clamp. Two pivot rods (32) extend outwardly from opposite ends of the crank holder, and are rotatably received in two corresponding slots (53) defined in two front posts. The crank has an offset pressing portion (42) and an operation rod (46). The pressing portion is disposed between supporting arms (39) of the crank holder. When the operation rod is rotated toward the heat sink and locked in position, the pressing portion presses the hook.

Abstract: A securing means is adapted to attach a heat sink (70) to a CPU on a circuit board (80). The securing means comprises a retention module (10) and a cover clip (30). The retention module has two front and two rear columns (14′, 14) cooperatively defining a space therebetween for accommodating the heat sink. The cover clip has a pair of pivots (36) rotatably engaged with the rear columns, and locking means adapted to engage with the front columns. The cover clip is adapted to resiliently abut a top of the heat sink.

Abstract: A vacuum pick up cap (10) for use with an electrical connector (20) includes a body portion (12) to be sucked by a vacuum suction nozzle and a number of legs (13) retained to the electrical connector. The body portion has an upper and a lower faces (120), (121) each having a central recess (122), and a number of peripheral recesses (123) surrounding the central recess, the recesses being spaced from each other. The body portion is substantially reduced in thickness due to the presence of the recesses.

Abstract: A connector includes a housing having top and bottom faces. The housing defines an array of cells and each cell has an opening in the top face and a closed bottom with a slit defined in the bottom and exposed to the bottom face of the housing. A bump is formed on the bottom face next to each slit. A conductive terminal made by a first forming operation carried out on a metal plate is received in each cell through the top opening. The terminal has a base section positioned in the cell and a solder pad connected to the base section by a neck portion. The base section, the solder pad and the neck portion are substantially coplanar. The solder pad and the neck portion extend through the slit and beyond the bottom face of the housing. A second forming operation is carried out on the neck portions of all the terminals to bend all the neck portions about the bumps whereby the solder pads are substantially parallel to the bottom face.

Abstract: A socket connector includes a base housing defining cavities, and contact elements positioned in the cavities. Each cavity has a first channel extending in a given direction and a second channel oblique with respect to and in communication with the first channel. Each contact element includes a retention section retained in the cavity and oblique with respect to the given direction. The contact element has a cantilever beam somewhat compliant with the given direction. A pin leg of an electronic package is initially received in the second channel of the cavity and movable in the given direction toward and biasingly engaging the cantilever beam. The contact element has a straight tail extending beyond the housing with a mass of solder attached thereto for soldering to a circuit board. A slot is defined in the tail for securely retaining the solder.

Abstract: A power connector directly connects a central processing unit module to a power supply. The power connector includes a single insulation member retaining two rows of contacts that oppose each other defining a nip area therebetween to receive and retain a circuit board of the central processing unit module. The contacts of the upper one of the two rows are power contacts that transmit power to a central processing unit while the contacts of the lower one of the two rows are grounding contacts. An additional row of contacts is retained in the insulation member and located above the row of the power contacts. The contacts of the additional row extend over the power contacts and are configured to engage the circuit board. Some of the contacts of the additional row are cache power contacts that supply power to a cache memory of the central processing unit module, while the others of the contacts are signal contacts for transmitting I/O signals.

Abstract: A contact (1) for a socket connector includes a base (20) and a pair of arm sections (30). The base has a contact pad (21) and a pair of body sections (22) upwardly extending from opposite ends of the contact pad. The pair of arm sections extend upwardly from upper sides of the pair of body sections. Each arm section comprises a planar clamp (31) at an upper end thereof and a palm (32) outwardly extending from a front end of the clamp.

Abstract: A ZIF socket (2) comprises a base (20) defining a bottom half channel (200) and a cover (22) defining an upper half channel (220) wherein the bottom half channel joins with the upper half channel to form a full channel enclosing a lever (24) of the socket having a cam shaft (242) and a handle (240). A retention means (205) is fixed on the rear portion of the base, a resilient arm extends forwardly from a top portion of the retention means and defines a recess (209) thereon. The recess (209) can keep the handle positioned on one side of the socket at a vertical position with regard to the base.

Abstract: A power connector including an insulative housing defining an elongate slot in a front face thereof for receiving a central processing unit (CPU) module therein and pairs of upper and lower passages in an opposite face thereof in communication with the slot for receiving power contact pairs that electrically engage the CPU module. Each pair of power contacts includes a ground terminal and a hot terminal respectively received in the upper and lower passages. Each pair of ground and hot terminals have tail sections extending beyond the rear face and offset toward each other for securely receiving and electrically engaging a capacitor board to supply electrical power to the CPU module. Each lower passage is elongated in a direction away from the corresponding upper passage for providing an additional space to receive and retain a signal contact. Each signal contact has a tail section extending beyond the rear face for being electrically connected to a flat cable for exchange of data and control signals.

Abstract: A low-inductance, low-resistance electrical connector for delivering power from a power supply to an IC module comprises a ground contact, a processor power contact and a cache power contact stamped from pure copper sheets and separated from each other by thin insulation film. Plastic members are provided with spring arms to engage with and thus provide sufficient normal force for contact arms of the corresponding contacts to engage with corresponding contact pads of the IC module thereby ensuring a reliable electrical connection. The ground contact and the processor and cache power contacts are connected with a capacitor board by pressure engagement to connect with the power supply. A number of individual signal contacts is also provided to interconnect a signal source with the IC module via a signal board.

Abstract: A scissors-like handle tool manipulates a ZIF socket having a cover slidably engaged with a bottom, between a loosened status and a tightened status. The handle tool comprises a first lever arm pivotably connected to a second lever arm. The handle tool is operated by encountering two lower ends of the first and second lever arms with two movable sides of the socket via a pivot operation of the handle tool thereby moving the cover of the ZIF socket along the bottom.

Abstract: A zero insertion force socket comprises a base and a cover movably mounted on the base. The base has a body portion from a front edge of which a head extends and two cutouts defined beside the head. A hole is defined in the head and in communicating with the two cutouts via a space defined below the bottom of the head. The cover has two sockets extending downward therefrom and movably received in the cutouts. A locking strip has two ends firmly retained in the sockets and an intermediate portion positioned in the space below the bottom of the head. A spring member is formed in the intermediate portion of the locking strip and movably received in the hole of the head of the base. A recess is defined at a bottom of the base for receiving the spring member when the spring member is deformed and moved together with the cover.

Abstract: A substantially rectangular socket connector for connecting a CPU to a mother board, comprises a base and cover mounted on the base and movable relative thereto between open and closed positions along a diagonal direction of the connector. The cover defines a number slots extending in a direction parallel to the diagonal direction. The base forms a number of teeth slidably received in the slots. A number of contacts are fixedly received in contact passages defined in the base for engaging with/disengaging from pins of the CPU inserted into the connector in response to a movement of the connector between the closed and open positions. The cover further forms at least a ridge in a corresponding slot to divide the corresponding slot into two recessed regions. The tooth extending into the corresponding slot is received in either of the two recessed regions when the connector is at either of the open and closed positions whereby the connector can be more securely located at these two positions.

Abstract: A socket connector includes a rectangular base plate adapted to be positioned on a circuit board and retaining an electronic device, such as an integrated circuit, thereon for establishing electrical connection between the electronic device and the circuit board by means of contacts retained therein. Bumps are formed on the base plate for engaging with notches defined in the electronic device to precisely positioning the electronic device with respect to the base plate. A retention module includes a frame having four wall segments defining an interior space therebetween for receiving the base plate. A pair of sideways projections is formed on one wall segment with aligned holes defined therein for receiving pivots of a resilient clip thereby making the clip movable between an open position where the base plate is exposed for receiving the electronic device and a closed position where the clip resiliently engages with the electronic device thereby securing the electronic device to the base plate.

Abstract: A socket comprises a base having a plurality of lower passageways each of which receives a contact which has an upper section extending upward beyond the base. A cover has a plurality of upper passageways each of which is in communication with one of the lower passageways and adjacent to a retention aperture which accommodates the upper section of the contact. The cover is movably engaged with the base so that when the cover is moved with respect to the base, each contact will be bent by the cover.