Abstract: A projector includes a casing, a light source, and a heat dissipation device. The light source and the heat dissipation device are installed inside the casing. Two openings are formed at two sides of the casing opposing to the light source. A light shield is positioned on one of the two openings. The light shield has a fixing plate, and a plurality of first parallel light-shielding plates and a plurality of second parallel light-shielding plates for blocking light leaking from the openings.

Abstract: An infrared cut filter includes a substrate, a first membrane group on the substrate, a second membrane group on the first membrane group and a third membrane group on the second membrane group. The first, second, third membrane groups include a plurality of first, second, third combined membranes. Each first combined membrane includes a high-refractive index membrane having an optical thickness of 1.2 times ?/4 and a low-refractive index membrane having an optical thickness of 0.6 times ?/8 in an alternating fashion. Each second combined membrane includes a high-refractive index membrane having an optical thickness of 1.1 times ?/4 and a low-refractive index membrane having an optical thickness of 1.1 times ?/8 in an alternating fashion. Each third combined membrane includes a high-refractive index membrane having an optical thickness of 1.3 times ?/4 and a low-refractive index membrane having an optical thickness of 1.3 times ?/8 in an alternating fashion.

Abstract: A mold apparatus includes a first mold die, a second mold die and an interjacent mold die. The first mold die has a first molding surface. The second mold die has a second molding surface. The interjacent mold die is arranged between the first and second mold dies, and has a third molding surface and an opposite fourth molding surface. The third molding surface and the first molding surface cooperatively form a first molding chamber. The fourth molding surface and the second molding surface cooperatively forms a second molding chamber.

Abstract: An electrical terminal (20) used with board-mounted connector (2) having a housing comprising (21): a fixing portion, a contacting portion (204) and a soldering portion (202). The fixing portion defines barbs formed along opposite edges thereof for securing the terminal within the housing, the contacting portion (204) extends from on side of the fixing portion and the soldering portion extends away from the other side of the fixing portion. The soldering portion (202) extends obliquely towards a circuit board on which the connector (2) is mounted, the soldering portion having a tip end with a reduced thickness thereof.

Abstract: An electrical connector includes a base having a number of passageways and a compartment in one end thereof. A cover is mounted to the base. The cover has a plurality of through holes corresponding to the passageways and a driving compartment corresponding to the compartment. The driving compartment has one single-step stopper. One recess is positioned adjacent the stopper and receives a stiffener therein for supporting the stopper. A cam is disposed in the driving compartment and the compartment to drive the cover moving relative to the base along a front-to-back direction.

Abstract: A socket connector comprises an insulating base receiving a plurality of contacts, a movable frame assembled to the insulating base, at least one latch device pivotally assembled to the insulating base, and at least one actuating member corresponding to the latch device and retained on a sidewall of the movable frame. The at least one actuating member includes a driving portion disposed at inner edge of the sidewall of the movable frame and extending downwardly. The movable frame is able to move up and down relative to the insulating base. Each latch device includes a latching member having a pressing portion with a cuneiform outside surface. When the actuating member moves up and down together with the movable frame, the driving portion of the actuating member pushes the cuneiform outside surface of the pressing portion of the latch device to shift between a closed position and an opened position.

Abstract: An electrical connector (1) includes an insulative housing (2) defining a plate-like shape with at least one alignment hole (21) extending therethrough in a vertical direction, and a number of electrical contacts (3) secured in the insulative housing (2). A number of spring ribs (211) are integrally formed on the insulative housing (2) and extend into the alignment hole (21). The spring ribs (211) deform in radial direction and circumferential direction of the alignment hole for engaging with an alignment post (41).

Abstract: A method for fabricating a magnesium-based composite material, the method includes the steps of: (a) providing a magnesium-based melt and a plurality of carbon nanotubes, mixing the carbon nanotubes with the magnesium-based melt to achieve a mixture; (b) injecting the mixture into at least one mold to achieve a preform; and (c) extruding the preform to achieve the magnesium-based carbon nanotube composite material.

Abstract: An electrical connector (100) comprises an insulative housing (1) defining a number of passageways (10) and shielding holes (14) arranged among the passageways, a conductive covering (5, 6) provided on a top surface of the insulative housing, a dielectric covering (7, 8) provided on a top surface of the conductive covering, a number of electrical contacts (2) receiving in the passageways and comprising a number of signal contacts (22) and grounding contacts (21), and a plurality of conductive elements (3) received in the shielding holes (14) and electrically connected to the grounding contacts (21) through the conductive covering (5, 6), the conductive elements (3) being insulated from the signal contacts (22).

Abstract: An electrical connector includes a number of contacts and an insulative housing. Each contact includes a main body, a spring portion extending upwardly from the main body, and a tail portion defining a receiving space in a vertical plane. The insulative housing has a plurality of passageways retaining the contacts. An inner sidewall of each passageway has a protrusion extending into the receiving space to limit a movement of the contact, such that the contact can float upwardly and downwardly in the vertical direction without being drawn out of the passageway.

Abstract: A card connector adapted for receiving a card, comprises an insulating housing defining a card insertion/ejection direction; a plurality of contacts received in the insulating housing, a shell and an ejector. The shell covers the insulating housing and is formed with a receiving portion. The receiving portion comprises an upper portion, a lower portion opposite to the upper portion and a connecting portion connecting the upper portion and the lower portion. The ejector has a front end received and locked in the receiving portion of the shell.

Abstract: A burn-in socket includes a base, a plurality of terminals received in the base, a self-centering supporting bracket mounted above the base in a floating manner and a plurality of elastic elements mounted between the base and the supporting bracket. The supporting bracket defines a receiving cavity for receiving an IC package, and the receiving cavity has a number of oblique surfaces for leading and supporting the IC package so as to precisely position the IC package in the burn-in socket.

Abstract: An exemplary lens (50) includes a central transparent portion (44) and a peripheral portion (35). The central transparent portion is configured for converging or diverging the light beams transmitted therethrough. The peripheral portion surrounds and extends from the central transparent portion. The peripheral portion is comprised of a shading material.

Abstract: A molding apparatus includes a first mold half, a first mold core received in the first mold half, a second mold half opposite to the first mold half, a second mold core and a plurality of spacers. The second mold core includes a sleeve and a core insert. The sleeve is received in the second mold core. The sleeve includes a receiving hole defined therein, and a plurality of parallel grooves defined in an inner surface in the receiving hole. The grooves are angularly equidistantly spaced from each other. The core insert is received in the receiving hole of the sleeve. The plurality of spacers is configured for being selectively disposed in the corresponding grooves. Each of the spacers is configured for being sandwiched between the sleeve and the core insert.

Abstract: An electrical contact comprises a contacting end having a slot tapered toward a free end of the contacting end, the slot defining opposite inner walls, a first, second contacting points being formed on the opposite inner walls respectively at a narrow part of the slot. A third contacting point extends from one of the opposite inner walls at the narrow part of the slot. A pin of a CPU can synchronously engage with the three contacting points. Thus, improved engagement between the pin and the contact will be provided.

Abstract: In one embodiment, a holder for holding printed circuit boards includes a base plate with a plurality of holding unit formed thereon. Each of the holding units includes a spring member, a securing member, and a blocking structure. The spring member includes a first end and a second end. The first end is attached to the base plate. The securing member is slideably mounted on the base plate. The securing member includes a connecting end and a securing end. The connecting end is connected with the second end of the spring member. The blocking structure is located on the base plate. The spring member is configured for pressing the securing member to move toward the blocking structure such that a printed circuit board is retainable between the securing end of the securing member and the blocking structure on the base plate. The holder is capable of holding printed circuit boards in batches.

Abstract: An electrical connector (1) for connecting a land grid array (LGA) chip with a printed circuit board (PCB) includes a housing (10), and terminals (11) received in passageways (104) of the housing. The housing has a base (100) and sidewalls (12, 14), the base and the sidewalls cooperatively defining a space therebetween for retaining the LGA chip. The base has a multiplicity of walls respectively between every two adjacent passageways along a length thereof, and four raised portions (102) extending upwardly around the base. A multiplicity of protrusions (106) is respectively extended upwardly from the walls. When a force is exerted down the LGA chip to make the LGA chip engage with the terminals, the protrusions and the four raised portions can support the force for separate the force without making the LGA chip deforming downwardly. This ensures that engagement between the connector and the LGA chip is accurate and reliable.

Abstract: A card edge connector assembly is provided with a first connector, a second connector and a printed circuit board (PCB). The first/second connector respectively comprises a first/second insulative housing with a plurality of first/second terminals mounted therein. The first/second insulative housing has a first/second upper wall, a first/second lower wall and a first/second mating cavity defined therebetween for receiving the first/second memory module therein. The PCB defines a first and a second solder regions at a top face thereof, on which the first and second terminals are respectively soldered. The first and second memory modules are respectively inserted into the first and second mating cavities along different directions so as to avoid interference between the memory modules during the assembling process.

Abstract: A light source module of light emitting diode includes a substrate having circuits, a light-converted component, and several of light emitting diodes. The light-converted component includes a transparent substrate and a fluorescence material layer positioned on the transparent substrate. The fluorescence material layer is divided into a central region and several of surrounding regions surrounding the central region. The central region has a greatest concentration of fluorescence material. The concentration of fluorescence material in the surrounding regions decreases from the center to the outer periphery of the fluorescence material layer. The light emitting diodes form an array and are positioned on the substrate between the substrate and the fluorescence material layer. Each of the light emitting diodes is electrically connected to the circuits.

Abstract: An electrical connector assembly (100) includes an insulative housing (1), a number of contacts (7) received in the insulative housing (1), a loading arrangement (3) covered the insulative housing (1), a pressing member (2) pressing the loading arrangement (3) and a fix member (4) pressing the pressing member (2) to securely locate the pressing member (2) on the insulative housing (1). The loading arrangement (3) defines a body plate (31) and a tab (32) extending from the body plate (31). The pressing member (2) defines a pressing portion (211) for pressing the tab (32) of the loading arrangement (3) and a stop portion (212) located on the insulative housing (1).