Abstract: A land grid array connector of an embodiment of the present invention includes an insulative housing, a stiffener harnessed on the housing, a load plate and a lever pivotally mounted to two ends of the stiffener. A pair of spaced securing portions extends from an end of the load plate, around which the load plate is pivotally mounted to the stiffener. The stiffener includes a support portion that corresponds to an end portion between the securing portions. The support portion extends upwardly and outwardly in a manner such that when the load plate is driven to an opened position, said end portion of the load plate is urged to be seated upon the support portion so as to limit the opening of the load plate with respect to the housing.

Abstract: A land grid array connector of an embodiment of the present invention includes an insulative housing, a stiffener harnessed on the housing, a load plate and a lever pivotally mounted to two ends of the stiffener. A pair of spaced securing portions extends from an end of the load plate, around which the load plate is pivotally mounted to the stiffener. The stiffener includes a support portion that corresponds to an end portion between the securing portions. The support portion extends upwardly and outwardly in a manner such that when the load plate is driven to an opened position, said end portion of the load plate is urged to be seated upon the support portion so as to limit the opening of the load plate with respect to the housing.

Abstract: An electrical connector assembly (1) includes an LGA connector (2) and a pick up cap (3) mounted onto the connector. The connector defines a number of cells (26) for receiving a corresponding number of contacts (20). The pick up cap mounted onto the connector has a first surface (36) engagable with a vacuum suction device and a second surface (38) having at least one protrusion (40, 42) extending downwardly therefrom, said at least one protrusion spaces the second surface of the pick up cap from a top surface (245) of the connector to form a gap (35) therebetween, thereby permitting heated air to flow therethrough during mounting the connector assembly onto the circuit substrate by SMT.

Abstract: An LGA socket (10) includes a socket body (30) having a number of terminals (40), a stiffener (50) attached to the socket body, and a load plate (60) and a load lever (70) pivotally mounted to two ends of the stiffener, respectively. The load plate defines a pair of pivotal portions (602) mounted to the stiffener to enable the load plate to rotate between an open position and a closed position. Each pivotal portion includes a bearing tongue (603) and a stopper (604). The stopper resists against the stiffener for preventing the load plate from moving relative to the socket body in a horizontal direction.

Abstract: A pick up cap for LGA connector, the LGA connector has an insulative housing for receiving an electronic package such as CPU therein, a plurality of electrical contacts received in the housing. A clip disposed on the housing to press the CPU upon the contacts, and a pick up cap mounted on the clip. One detaching portion extends in a slantwise upward direction from one end of an extending portion, between said detaching portion and one side of said clip, there is a relatively broad rift which can supplies a sufficient operating place for an operator's fingertip to remove the pick up cap.

Abstract: An LGA connector includes an insulative base (2) mounted on a printed circuit board, a stiffener (3) defined around the base, a metal clip (4) pivotably engaged on the stiffener, and a lever (5) for fastening the clip onto the base. The clip includes a main plate (41) and a plurality of arched clasps (42), and the stiffener includes corresponding number of slots (321) in a side wall (32) for engaging with the clasps. The arched clasp defines a plurality of protrusions (422) for preventing the clip from moving horizontally.

Abstract: An LGA connector (1) includes an insulative housing (2), a stiffener (3) defined around the housing, a clip (4) pivotably engaged on one end of the stiffener, and a lever (5) engaged on an opposite end of the stiffener for fastening the clip onto the housing. The stiffener includes a bottom plate (31) and a plurality of side walls (32) extending from the bottom plate, and the housing includes a plurality of side surfaces aligned with said side walls, each of the side plates (42) defining a pair of slant sides in the free end. The clip includes a pressing plate (41) and a pair of side plates (42) extending from the pressing plate (41). A slot (34) is formed in corresponding position of the bottom plate (31) of the stiffener for accepting the side plate (42) of the clip (4) partly with the slant sides abutting against the inner side of the slot (34) when the clip (4) is rotated to a horizontal closed position.

Abstract: A socket connector includes a metallic stiffener (12), an insulative housing (11), a load plate (14), a load lever (15) and a plurality of plastic supporting posts (16). The stiffener defines a central opening (120) in a middle portion thereof, the opening being surrounded by two pairs of inner surfaces (1201). The housing defines a recessed conductive zone (110) surrounded by sidewalls (111). The housing partially received in the opening of stiffener, and sidewalls interferentially engage with the inner surfaces in a direction parallel to the opening. The plastic supporting posts engage with the stiffener and are partially below the stiffener.

Abstract: Disclosed is an LGA socket (10) including a socket body (30) having a number of terminals (40) embedded therein. A stiffener (50) is attached to the socket body. A load plate (60) and a load lever (70) are pivotally assembled to two ends of the stiffener. Prior to setting the socket on a PCB (20), the stiffener is engaged with the socket body. In course of setting the socket on the PCB, the stiffener is disengaged from the socket body and fastened to the PCB via a number of bolts (80).

Abstract: An LGA connector (1) includes an insulative housing (2), a stiffener (3) defined around the housing, a clip (4) pivotably engaged on one end of the stiffener, and a lever (5) engaged on an opposite end of the stiffener for fastening the clip onto the housing. The stiffener includes a bottom plate (31) and a plurality of side walls (32) extending from the bottom plate, and the housing includes a plurality of side surfaces aligned with said side walls. A gap is formed between corresponding side surface of the housing and side wall of the stiffener. The clip includes a main plate (41) and a pair of side plates (42) extending from the main plate. A slot (34) is formed in corresponding position of the bottom plate of the stiffener for accepting the side plate of the clip partly when the clip is rotated to a horizontal closed position.

Abstract: The present invention discloses a conductive composition comprising a plurality of polymers and at least one conductive filler. The polymers are compatible under a molecular size and the form of the conductive filler includes a flake. The conductive composition of the present invention owns better electrical characteristics than a conventional conductive composition that comprises a single polymer. The present invention further discloses an over-current protection device comprising two metal foils and a PTC (positive temperature coefficient; PTC) composition layer. The PTC composition layer contains the conductive composition.

Abstract: Disclosed is an electrical socket connector (1) including an insulative housing (10) having a general flat base (100) with a mating surface (100a) adapted to face a chip package (2), and a mounting surface (100b) adapted to face a printed circuit board. The base includes a peripheral wall (101) extending from edges thereof. A plurality of passageways (12) extends from the mating interface toward the mounting interface, with a plurality of terminals (14) each inserted into the passageways from the mating interface to the mounting interface. A detachable aligning key (16) is assembled to the base.

Abstract: An LGA connector assembly (1) includes an LGA connector (2) and a generally rectangular pick-up cap (3) mounted onto the connector. The connector defines a number of passageways (212) for receiving a corresponding number of contacts (22). The pick-up cap has a first surface (300) engaged with a vacuum suction device and a second surface (301) opposite to the first surface, a plurality of vents (302, 303) disposed therethrough, and a plurality of recesses (310) formed adjacent to the vents on the second surface. The recess with blind cavity configuration and the vent are formed a gap-depth air vent therebetween along a direction of perpendicular to the pick-up cap, thereby permitting heated air to easily and uniformly flow therethrough during mounting the connector assembly onto a circuit board by SMT.

Abstract: A land grid array (LGA) connector assembly (10) of the present invention includes an LGA connector (12) and a pick up cap (13) attached thereon. The LGA connector includes an insulative housing (20), a metal clip (24) pivotably mounted to the insulative housing and a lever (26). The pick up cap mounted on the connector defines a flat plate (32) and a first extending portion (34) extending from a end of the flat plate, at least part of the first extending portion extends into the plane in which the lever rotating around an axis from an open position to a closed position when the pick up cap mounted onto the connector. So the pick up cap can be lifted via putting up the lever, and the pick up cap can be detached from the connector conveniently and reliably.

Abstract: A land grid array connector for electrically connecting a CPU package (60) to a printed circuit board includes a housing (10) received a number of contacts (12) therein, a stiffener (20) enclosingly attached to the housing, a load plate (40) and a lever (30) pivotally mounted to opposite sides of the housing respectively. The housing has a number of sidewalls. Two wings (45) extend downwardly from opposite side edges of the load plate and toward the housing. A stopping member is formed on the wings of the load plate and two opposite sidewalls of the housing corresponding the wings, for resisting horizontal moving of the load plate and the CPU chip. The stopping member comprises a plurality of protrusions and holding sections engaging the protrusions. The protrusions each engagingly retained in a corresponding holding section during the connector being in closed position. This can resist horizontal moving of the load plate and the CPU chip.

Abstract: An electrical connector (1) for electrically connecting an electronic package with a circuit substrate. The connector includes a housing (11), a fastening device assembled with the housing, and a stiffener (12) surrounding the housing. The stiffener includes a back end (123), and a pair of spaced first walls (125) adjoining the back end. Each first wall has a latch (128) extending upwardly therefrom, and then bends inwardly. The back end has a pair of spaced spring fingers (129) extending substantially horizontally, and then bends slightly upwardly. The latches are fastened to the housing for locating the housing in a vertical direction. The spring fingers abut against the housing for locating the housing in a horizontal direction. The stiffener reinforces the housing, and protects the housing from deformation or warpage.

Abstract: An land grid array (LGA) connector assembly comprises an insulative frame, a plurality of contacts received in the insulative frame, a reinforcement covering a circumference of the insulative frame, a clip assembled on the reinforcement and a lever mounted to the reinforcement and engaging with the clip. The clip is formed with a pivotal portion pivotally assembled on the reinforcement. The pivotal portion has at least one stopping portion on a edge thereof, the stopping portion is extending towards the insulative frame and abuts against the insulative frame to prevent the clip from moving flatly when the clip is in a close position.

Abstract: A land grid array connector (10) for electrically connecting a CPU package to a printed circuit board includes a housing (30) having a top surface (320) and a number of terminals received in passageways (31) of the housing. Each of the terminals has a retention portion (52), a spring arm (54) extending from the retention portion beyond the top surface. A contacting portion (58) is formed on a topmost part of the spring arm for electrically mating with a corresponding pad formed on a bottom of the CPU package. A plurality of protrusions (324) is formed on the top surface for protect the terminals from being accidental damaged, A common supporting surface (326) is formed cooperatively by the protrusions, above the contacting portion in a direction perpendicular to the top surface. This can protect the contacting portion of the terminal from being collided. As a result reliable electrical connection between the package and contacts of the land grid array connector is secured.

Abstract: A pick up cap for an LGA connector assembly, the LGA connector has an insulative housing for receiving an electronic package such as CPU therein, a plurality of electrical contacts received in the housing. A clip disposed on the housing to press the CPU upon the contacts, and a pick up cap mounted on the clip, the pick up has extending portion, and the extending portion has an uplift which defines a concave, the concave can supply a sufficiently big operating space for operator's fingertip to detach the pick up cap away from the connector.

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.