Abstract: An electrical connector includes an insulative housing with a number of through holes extending therethrough, a number of contacts assembled to the insulative housing, and a number of solder balls disposed in the though holes and each is clasped by the tail and insulative housing. Each contact includes a vertical base portion secured to a first side of the through hole, a contact engaging arm extending from a top end of the base portion, and a solder portion extending from a bottom end of the base portion. The solder portion has a wave arrangement below the base portion and projecting from the base portion to a second side of the through hole which opposites to said first side, and a tail extending downwardly from the wave arrangement and capable of moving from the first side to the second side.

Abstract: An electrical connector includes an insulative housing with a base and a mating tongue extending forwardly in a front-to-rear direction from the base, the mating tongue defining a first surface and a second surface opposite to each other. A plurality of contact strips are disposed around the outer surface of the mating tongue of the insulative housing, each contact strip is stamped a metal sheet and defines a first contacting section exposed upon the first surface and arranged along a transverse direction perpendicular to the front-to-rear direction, and a second contacting section exposed upon the second surface and arranged along the transverse direction. The first and second contacting sections of each contact strip extend along the front-to-rear direction and rearwardly extending into the base of the insulative housing.

Abstract: Disclosed herewith a socket connector configured with an insulative housing defining a mating interface surrounded with peripheral walls and a mounting surface. A plurality of passageways is defined between the mating interface and the mounting surface and having an opening at the mounting surface. The insulative housing includes an encampment associated with each of the passageway at the mounting surface, and includes an extension crossing over an inner wall of the passageway to substantially narrow the opening of the opening. The socket connector furthers includes a plurality of contact terminals each received in the passageway and further includes a curvilinear solder portion extending beyond the mounting surface. And the socket connector further is incorporated with a plurality of solder balls each disposed between the encampment and the curvilinear solder portion.

Abstract: An electrical assembly used for connecting an IC package, includes at least an upper and a lower layer stacked with each other, wherein the upper layer is formed with an opening for receiving a socket connector. The socket connector has contacts electrically connected to conductive traces respectively provided on the upper and the lower layer.

Abstract: An electrical connector assembly for use with an electronic package, includes an electrical connector having a plurality of contacts, and an assistant heat sink mounted upon the electrical connector and having an opening to allow the electronic package connecting with the contacts.

Abstract: An electrical connector includes an upper housing formed with a plurality of upper through holes therein, and a lower housing located under the upper housing and formed with a plurality of lower through holes therein corresponding to the upper through holes, respectively. A plurality of contacts are received within the upper housing and the lower housing, and respectively has an upper contacting portion and a lower contacting portion. At least some of the contacts extend with angles of inclination varying in sequence so that a distance defined by two neighboring lower contacting portions is larger than that defined by corresponding two neighboring upper contacting portions.

Abstract: A socket for receiving an IC (integrate circuit) package comprises an insulative housing and a plurality of contacts. The insulative housing defines a plurality of contact passageways for receiving the contacts. Each contact has a retaining portion, an elastic arm and a soldering portion, and the retaining portion is formed with a first part, a second part and a bending part between the first and the second parts. Each of the first and the second parts is formed with a protrusion on an outside lateral edge thereof away from the bending part for interfering with the contact passageway of the insulative housing to retain the contact to the insulative housing.

Abstract: A socket assembly, comprising a socket, a package received in the socket, a pressing member arranged upon the package and downwardly pressing the package and two heat pipes attached to the pressing member. The pressing member is formed with four arch grooves along a peripheral thereof, and the arch grooves allow linking members to pass therethrough and rotatablely retain the pressing member on a printed circuit board. Therefore, the pressing member can rotate in a certain range, by sliding the arch groove with respect to the linking member, to provide a flexible arrangement for heat pipes.

Abstract: An electrical connector assembly electrically connecting a CPU and a printed circuit board includes an electrical connector mounted on the printed circuit board, and a heat dissipating device mounted upon the CPU. The heat dissipating device includes a load plate, a heat pipe, and a heat plate. The load plate is mounted upon the CPU under condition that heat generated from the CPU is absorbed by the heat pipe and the heat plate. The load plate is sandwiched between the heat plate and the heat pipe. The load plate has two clips each of which has two cantilever arms extending toward and engaging with the other clip.

Abstract: An electrical connector includes an insulative housing defining a plurality of passageways and a plurality of contacts disposed in the passageways by two arrangement manners. Each contact includes a mating portion located at an upper end and a soldering portion located at a bottom end. Wherein a first arrangement manner is that neighboring mating portions defined a distance in a same row is smaller than a distance defined by corresponding neighboring soldering portions, and neighboring mating portions defined a distance in a same column is equal to a distance defined by corresponding neighboring soldering portions. A second arrangement manner is that neighboring mating portions defined a distance in both a same row and a same column is smaller than a distance defined by corresponding neighboring soldering portions.

Abstract: An electrical connector assembly includes a printed circuit board having an aperture and an electrical connector. The electrical connector comprises an insulative substrate with a plurality of contacts. The electrical connector is embedded in the aperture and electrically connects with the printed circuit board.

Abstract: An electrical connector having a fusible element for mounting on a substrate includes an insulative housing and a contact terminal retained in the insulative housing. The contact terminal includes a resilient contacting arm extending beyond a mating face of the insulative housing and a soldering portion for mating with the fusible element. A gelatinous flux is deployed on the fusible element, and/or on the soldering portion, and/or between the fusible element and the soldering portion, and then flux is dried to immovably fix the fusible element with respect to the soldering portion. The dried flux will be re-juvenile to clean and remove an oxidized layer originally existed on the soldering portion so as to achieve robust welding quality. Besides, a method for trimming an electrical connector to have robust welding properties is also disclosed.

Abstract: A method for integrating and erecting CNT column, comprises following steps of: 1) providing a conductive layer; 2) applying a non-conductive layer over the conductive layer; 3) forming a via on the non-conductive substrate; 4) placing an electrode above the via; 5) deploying dispersive liquid containing CNT powder into the via; 6) applying a predetermined AC electric field between the conductive substrate and the electrode for integrating and erecting the CNT powder into CNT column under electric field force.

Abstract: A lead frame includes an insulative housing defining a cavity, a plurality of leads mounted with the housing and a metal cup mounted within the housing. Each lead includes contacting section exposed in the cavity. The metal cup includes a bottom plate and an inclined cup wall. The bottom plate is formed with a flange extending outwardly therefrom such that a slot is defined between the flange and the cup wall to receive the resin material of the housing.

Abstract: Provided herewith a socket connector adapted to be mounted on a substrate having a conductive element is provided, and comprises an insulative housing, the housing having an exterior side adapted to face the substrate. A stamped contact is formed from a sheet of conductive material and is adapted to mate with a conductive component and extending substantially to the exterior side of the housing. The contact has a connection portion and wherein a substantially dried preparation of oxidation retarding and solder affinity deployed on the terminal portion before the contact assembled into the connector. The connector further includes a body of reflowable, electrically conductive material associated adjacent to the connection portion adjacent the exterior side of the housing.

Abstract: The present invention relates to an electrical assembly for connecting an IC package. The assembly includes at least an upper and a lower layer stacked with each other, wherein the upper layer is formed with an opening for receiving a socket connector. The socket connector has contacts electrically connected to conductive traces respectively provided on the upper and the lower layer.

Abstract: An electrical connector includes an insulative housing with a number of through holes extending therethrough, a number of contacts assembled to the insulative housing, and a number of solder balls disposed in the though holes and each is clasped by the tail and insulative housing. Each contact includes a vertical base portion secured to a first side of the through hole, a contact engaging arm extending from a top end of the base portion, and a solder portion extending from a bottom end of the base portion. The solder portion has a wave arrangement below the base portion and projecting from the base portion to a second side of the through hole which opposites to said first side, and a tail extending downwardly from the wave arrangement and capable of moving from the first side to the second side.

Abstract: An LED lead frame assembly comprises a wiring board having a plurality set of positive and negative poles arranged on a top surface thereof A plurality of LED chips are disposed on the wiring board, and electrically bonded to the bus line. A transparent cover is arranged upon the wiring board and covering the LED chip and the conductive lead.

Abstract: A socket for receiving an IC (integrate circuit) package comprises an insulative housing and a plurality of contacts. The insulative housing defines a plurality of contact passageways for receiving the contacts. Each contact has a retaining portion, an elastic arm and a soldering portion, and the retaining portion is formed with a first part, a second part and a bending part between the first and the second parts. Each of the first and the second parts is formed with a protrusion on an outside lateral edge thereof away from the bending part for interfering with the contact passageway of the insulative housing to retain the contact to the insulative housing.

Abstract: An electrical connector comprises an insulative housing and a plurality of contacts. Each contact comprises an upper contact and a lower contact. The upper contact has a retention portion and a contact portion. The lower contact has a soldering portion and a planar board extending upwardly from the soldering portion. The lower contacts fixed to different parts of upper contacts, respectively, so as to have a larger neighbor distance than that of the upper contacts.