Abstract: An optical board (100) includes a base layer (1), an optical module (4) assembled to the base layer, and an optical layer (2) attached to the base layer and defining a receiving recess (23). The optical module includes a ferrule (41) received in the receiving recess and defining a number of grooves (4131), and a number of optical circuits (42) positioned in the grooves of the ferrule. The optical circuits extend outside of the ferrule and into the optical layer.

Abstract: An electrical contact for being loaded in an electrical connector electrically connecting an IC module to a printed circuit board (PCB) includes a first contact, a second contact and an elastic arm. The first contact includes a first mating portion and a first connecting portion. The first mating portion defines a first contacting end for connecting with the IC socket. The second contact includes a second mating portion and a second connecting portion. The second contacting portion defines a second contacting end for connecting with the PCB. The first and second connecting portions are coupled with each other, the first elastic element rings around the first mating portion of the first contact and presses against the second connecting portion of the second contact.

Abstract: A test socket includes an insulating seat defining a package-receiving room and loaded with a plurality of terminals, a retaining member retained on the insulating seat, a first cover and a second cover. The retaining member defines a first end and a second end. The first cover is assembled to the first end of the retaining member via a pivot pin at a lower end thereof The second cover is assembled to the second end of the retaining member via a second pivot pin at a lower end thereof The second cover presses against the first cover and is locked after the two covers rotate to close the package-receiving room. The first cover defines a pair of wheels at an upper end thereof and rolling along the second cover during the covers rotate downwards.

Abstract: An electrical socket (100) comprises an insulative housing (1) and an optical module (3) arranged on the insulative housing (1), the insulative housing (1) comprises a plurality of electrical contacts (2) received therein to transmit electrical signal, the optical module (3) comprises a plurality of optical members (4) to transmit optical signal.

Abstract: An electrical connector includes an insulative housing, a plurality of contacts and an actuator. The insulative housing defines a front opening and a back receiving space. The receiving space defines a horizontal plane and a vertical plane connecting each other. The contacts include retaining portions, contacting portions and pressing portions. Each contacting portion and corresponding pressing portion extends oppositely from the retained portion. The actuator includes a base portion and several separate costal parts extending from the base portion. Adjacent costal parts are connected by a shaft and the pressing portions are against to the shaft. The actuator rotates around the shaft and defines a cambered surface at the costal parts, the cambered surface slides between the horizontal plane and the vertical plane.

Abstract: An electrical connector includes an insulative housing defining a mounting face, a pair of pivotal grooves on opposite sides of a rear end of the housing and a pair of locking recesses in front of the pivotal grooves respectively; a plurality of contacts arranged in the housing and a metal shell defining a pair of pivotal posts assembled in the pivotal grooves and a pair locking tabs to couple with the pair of locking recesses in a condition that the metal shell rotates to cover on the insulating housing and move forwards. The pair of pivotal posts therebetween defines an axis paralleling to the mounting face and the axis of the pair of pivotal posts is closer gradually to the mounting face during forward movement of the metal shell.

Abstract: A photoelectric connector assembly includes a first lens member connecting with fiber cables and defining convex lenses opposite to fiber cables, a connector and a substrate embedded with waveguides. The connector defines a mating cavity running through a front face thereof and inserted with said first lens member. The connector includes terminals with contacting sections exposing to the mating cavity, a second lens members. The second lens member is located at back of the first lens member and defines first convex lenses at a front face thereof and second convex lenses at a rear face thereof. The first convex lenses are coupled with the convex lens of the first lens member. The substrate defines light ports at free ends of the waveguides. The substrate is seated with the connector and the light ports are coupled with the second convex lenses of the second lens member.

Abstract: A photoelectric connector assembly includes a first and a second connector and a photoelectric signal conversion module. The first connector defines a mating cavity, first terminals including contacting sections exposing to the mating cavity and a first light transmission module including convex lenses at a front thereof exposing to the mating cavity and first light ports at a rear thereof. The second connector includes an insulating seat and second terminals. The seat defines a rear mating end loading the second terminals and a receiving cavity opening upwards. The conversion module is inserted in the receiving cavity and includes second light ports coupled with the first light ports of the first light transmission module and conductive pads touching with the second terminal.

Abstract: A photoelectric connection assembly includes a circuit board defining conductive pads on a first surface thereof and waveguides embedded therein, an electrical connector assembled to the circuit board and a light transmission module. The electrical connector includes a seat defining a first receiving cavity for receiving the conversion module and a second receiving cavity below the first receiving cavity, a cover rotatably associated with a rear end of the seat and rotating to shield the first receiving cavity and conductive terminals loaded on the seat. The terminals include contacting portions extending in the first receiving cavity for electrical connection with the conversion module and leg portions connecting with the conductive pads. The light transmission module is received in the second receiving cavity and includes conversion module.

Abstract: An optical fiber connector includes a pair of optical fibers and a seat defining a pair of lenses at a front edge thereof and passageways aligned with the lenses respectively and receiving the optical fibers. The seat defines a pair of first apertures at a first surface thereof communicating with the passageways, and a pair of second aperture at a second surface thereof opposite to the first surface communicating with the passageways. Rear insides of the first apertures are aligned with front insides of the second apertures.

Abstract: An optical fiber connector includes a mating portion defining a coupled direction and including pairs of lenses and a pair of guiding portions. The pair of guiding portions each defines a guiding hole through a front face thereof in the coupled direction. Each guiding hole has a cross section of a polygon shape in the coupled direction and is configured with an imaginary circle perpendicular to the coupled direction.

Abstract: A manufacture method of a non-spherical lens module includes: firstly, forming a housing having a row of through holes running through a first surface and a second surface thereof; secondly, providing and filling liquid waveguide with the through holes and forming two convex portions at jointing positions of the through holes and said two surfaces respectively; lastly, cooling the liquid waveguide to form the waveguide in the through hole, cooling the two convex portions to form first and second lens portions.

Abstract: A socket connector (100) comprises a socket body (5), a plurality of contacts (3) received in the socket body (5), a lid (1) movably mounted on the socket body (5) and moving up and down along a vertical direction, a moving plate (4) movably mounted upon the socket body (5) and moving along a horizontal direction and an operating lever (2) located between the lid (1) and the moving plate (4), the operating lever (2) comprises a press member (22), the press member (22) presses on the top surface of the moving plate (4) to prevent the floating of the moving plate (4) in the vertical direction.

Abstract: An optical fiber connector includes a lens member integrally forming pairs of lens at a front face thereof, a seat member assembly retained on a rear face of the lens member and fiber cables. The seat member defines slim grooves aligned with the lens and the fiber cables are received and retained in the slim grooves.

Abstract: An electrical connector includes an insulative housing defining a mounting face, a pair of pivotal grooves on opposite sides of a rear end of the housing and a pair of locking recesses in front of the pivotal grooves respectively; a plurality of contacts arranged in the housing and a metal shell defining a pair of pivotal posts assembled in the pivotal grooves and a pair locking tabs to couple with the pair of locking recesses in a condition that the metal shell rotates to cover on the insulating housing and move forwards. The pair of pivotal posts therebetween defines an axis paralleling to the mounting face and the axis of the pair of pivotal posts is closer gradually to the mounting face during forward movement of the metal shell.

Abstract: An embodiment of the invention provides a memory array including a plurality of bit lines, a plurality of memory cells and a device. Each of the plurality of memory cells has a first node, a second node and a third node, wherein the third node is coupled to one of the plurality of bit lines. The device couples the plurality of bit lines together to form a common node for one of the plurality of memory cells.

Abstract: An electrical socket (100) comprises an insulative housing (1) and an optical module (3) arranged on the insulative housing (1), the insulative housing (1) comprises a plurality of electrical contacts (2) received therein to transmit electrical signal, the optical module (3) comprises a plurality of optical members (4) to transmit optical signal.

Abstract: An IC socket includes a base receiving a number of contacts, a lid mounted upon the base, and at least one latch mounted in the base. The lid is able to be operated between a first position away from the base and a second position adjacent to the base. The latch is driven by the lid to open and close. At least one stopper is disposed on the lid and extends into a recess defined on the latch to lock with latch the latch when the lid located at the first position for preventing the lid from dropping from the base.

Abstract: A memory device is disclosed that includes a plurality of word lines and a plurality of memory cells operating in one of a plurality of modes and coupled to at least one of the word lines. The memory device also includes a plurality of reference lines and reference cells. Each reference cell corresponds to one of the operating modes, supplies a reference current for the corresponding mode, and is coupled to at least one of the reference lines. A reference cell current from a reference cell can also be compared to a target range and, if outside the target range, the voltage level on a corresponding reference line can be adjusted accordingly such that the reference current falls within the target range (i.e., reference current trimming).

Abstract: A test socket, adapted for electrically connecting an IC package to a printed circuit board, comprises a bottom board (10) and four separated clumps (20). The bottom board has a main body (11) having a rectangular shape and four mounting portions (12) integrally extending outwardly from four corners of the main body, respectively. The clumps are assembled upon the four mounting portions of the bottom board to cooperate with the bottom board to define a receiving space for receiving the IC package.