Abstract: An apparatus (10) for holding optical lenses (20) provided herein generally includes a holding member (100) and a cover member (200) coupling with the holding member. The holding member comprises a plurality of first through holes (110). Each of the plurality of the first through holes comprises a first portion (101) for receiving an optical lens (20) therein and a second portion (102) communicating with the first portion. A minimum breadth of the first portion is greater than a minimum breadth of the second portion. The cover member comprises a plurality of second through holes (201) corresponding to the first through holes of the holding member. The second through holes communicate with their corresponding first portions of the first through holes. A breadth of the second through holes is less than that of the first portions of the first through holes of the holding member.

Abstract: A micro USB plug includes a terminal seat and a terminal unit including two first terminals, two second terminals, and a third terminal. Each of the first, second, and third terminals extends into the terminal seat and has an extending segment formed with a contact projection, an inspection segment connected to the extending segment and having an inspection surface that is flush with a reference surface of the terminal seat and an abutting surface that abuts against the terminal seat, and a soldering segment extending from the inspection segment. The contact projections and the inspection segments of the first and third terminals extend in a same direction. The contact projections and the inspection segments of the second terminals extend in opposite directions. A segment length of the soldering segments of the first terminals differs from that of the soldering segment of the third terminal.

Abstract: A micro USB plug includes a terminal seat and a terminal unit including two first terminals, two second terminals, and a third terminal. Each of the first, second, and third terminals extends into the terminal seat and has an extending segment formed with a contact projection, an inspection segment connected to the extending segment and having an inspection surface that is flush with a reference surface of the terminal seat and an abutting surface that abuts against the terminal seat, and a soldering segment extending from the inspection segment. The contact projections and the inspection segments of the first and third terminals extend in a same direction. The contact projections and the inspection segments of the second terminals extend in opposite directions. A segment length of the soldering segments of the first terminals differs from that of the soldering segment of the third terminal.

Abstract: A mirco USB receptacle includes a housing surrounding an axis, a terminal seat extending into the housing along the axis, and an engaging unit. The engaging unit has a first engaging member provided on the terminal seat, and a resilient second engaging member provided on the housing and having an engaging hole for retaining the first engaging member therein and an inner surrounding surface that defines the engaging hole. The first engaging member is formed with a stop surface for abutting against the inner surrounding surface of the second engaging member to arrest separation of the terminal seat from the housing.

Abstract: An exemplary method for cutting a semi-finished molding lens is provided. The semi-finished molding lens includes a lens portion, a runner forming portion, and a joint, the joint connected between the lens and the runner forming portion. The method includes the steps of: securing the semi-finished molding lens on a base; holding the lens portion by a suction force using a suction device; and cutting the lens portion off from the runner forming portion by a laser beam.

Abstract: A USB connector housing includes: a hollow main body; a guiding pin extending from the main body; and an engaging member extending from the main body and including a pair of opposite engaging pins adapted to extend through an engaging hole in a board. Each of the engaging pins has a leg portion extending from the main body, a body portion extending from the leg portion and adapted to abut against a hole defining wall of the engaging hole in the board, a neck portion extending from the body portion, and a head portion enlarged in cross-section from the neck portion. The head portion of each of the engaging pins has an anchor end adapted for anchoring at a periphery of the engaging hole in the board. The anchor end of the head portion has a width greater than those of the neck portion and the body portion.

Abstract: An apparatus (10) for holding optical lenses (20) provided herein generally includes a holding member (100) and a cover member (200) coupling with the holding member. The holding member comprises a plurality of first through holes (110). Each of the plurality of the first through holes comprises a first portion (101) for receiving an optical lens (20) therein and a second portion (102) communicating with the first portion. A minimum breadth of the first portion is greater than a minimum breadth of the second portion. The cover member comprises a plurality of second through holes (201) corresponding to the first through holes of the holding member. The second through holes communicate with their corresponding first portions of the first through holes. A breadth of the second through holes is less than that of the first portions of the first through holes of the holding member.

Abstract: The present invention relates to complementary electrochromic devices comprising poly(3,4-ethylenedioxythiophene) and derivatives thereof as a cathodically coloring layer and an indium hexacyanometallate or transition metal hexacyanometallate as an anodically coloring layer.

Abstract: An apparatus for holding a plurality of lenses, including: a block having a mounting surface; a cavity defined in the block at the mounting surface; and a through hole defined in the block, the through hole being in communication with the cavity, wherein the mounting surface is configured for mounting of the lenses thereon whereby the lenses cooperatively substantially close the cavity at the mounting surface. Because of the cavity has a vacuum therein, the lenses can be retainable attached on the mounting surface by means of the vacuum.

Abstract: An apparatus for cleaning an article includes a cover and a main body defining at least one upper through hole and at least one lower through hole in communication with the at least one upper through hole configured for accommodating the article. The cover defines at least one through hole positioned spatially corresponding to the at least one upper through hole of the main body. The main body and the cover are configured for attachment to each other in a manner such that the at least upper through hole of the main body is aligned with the at least one through hole of the cover. The at least one upper through hole is of such dimensions that the article accommodated therein is held from falling out through the at least one lower through hole and the through hole of the cover.

Abstract: A holding member for facilitating the cleaning of optical components includes two end walls and at least two spaced plates. The two end walls face toward each other. One of the two end walls defines at least one through slot. The at least two spaced plates are held between the two end walls and define at least one pair of respective inner surfaces. Each respective pair of inner surfaces has a pair of corresponding elongated grooves defined therein along a longitudinal direction thereof. Each slot communicates with a respective pair of elongated grooves. In particular, each such through slot and the respective pair of elongated grooves associated therewith are cooperatively aligned with one another in a manner so as to direct the optical components into the respective pair of corresponding elongated grooves.

Abstract: A method for manufacturing a field emission cathode includes the steps of: providing a substrate (110); forming an aluminum layer (130) on the substrate; anodizing the aluminum layer thereby forming a porous aluminum oxide layer (132) on the aluminum layer, the porous aluminum oxide layer comprising a plurality of holes (134); removing portions of the aluminum oxide layer in the plurality of holes so as to expose corresponding portions of the underlying aluminum layer in the plurality of holes; and forming a plurality of carbon nanotubes (490) on the exposed portions of the aluminum layer in the plurality of holes by electrophoresis deposition process.

Abstract: An apparatus for holding a plurality of lenses, including: a block having a mounting surface; a cavity defined in the block at the mounting surface; and a through hole defined in the block, the through hole being in communication with the cavity, wherein the mounting surface is configured for mounting of the lenses thereon whereby the lenses cooperatively substantially close the cavity at the mounting surface. Because of the cavity has a vacuum therein, the lenses can be retainable attached on the mounting surface by means of the vacuum.

Abstract: A method for manufacturing carbon nanotube field emission includes the steps of: providing a substrate (110) with a metallic layer (130) thereon; defining a plurality of holes (131) in the metallic layer; oxidizing the metallic layer to form a metallic oxide layer (132) thereon; removing portions of the metallic oxide layer in the plurality of holes so as to expose corresponding portions of the metallic layer; forming a metal-salt catalyst layer (580) on the exposed portions of the metallic layer in the plurality of holes; and growing carbon nanotubes (690) on the substrate in the plurality of holes.

Abstract: A method for fabricating a metal nanowire array (30) includes the following steps: providing a carbon nanotube array (10) which includes a number of carbon nanotubes (14), immersing the carbon nanotube array in a colloidal solution (20) which contains a solvent (22) and a number of metal nanocrystals (24) dispersed in the solvent so as to self-assemble the metal nanocrystals on exterior surfaces of the carbon nanotubes; taking the carbon nanotube array out of the colloidal solution; and heating the metal nanocrystals on the surfaces of the carbon nanotubes in a manner such that the metal nanocrystals are fused into a metal nanowire array.

Abstract: A thermal interface material and a making method thereof are disclosed. The thermal interface material includes a thermal conductive substrate having a first surface and an opposing second surface; and at least one organic metal multilayer film formed on at least one of the first and second surfaces. The organic metal multilayer film comprises a plurality of metal layers and a plurality of organic layers. Each of the metal layers and each of the organic layers are alternately linked to one by another. Each of the metal layers comprises a plurality of metal particles each in contact with one or more organic molecules of adjacent organic layers.

Abstract: An exemplary portable electronic device (10) includes a frame (13). A color changing layer (20) contains a color-changeable material and is coated onto the frame. The portable electronic device utilizes the color changing layer to change colors, thereby achieving a color-change function of the portable electronic device. A method of manufacturing the portable electronic device is also included.