Abstract: An exemplary cutting apparatus for cutting components from a sprue includes a sprue retainer, a laser cutting unit, and a rotating driving unit. The sprue retainer has a supporting surface. The supporting surface defines a receiving hole, and grooves extending across the entire supporting surface. The grooves are in communication with the receiving hole. The laser cutting unit is disposed above the sprue retainer and is configured for emitting a laser beam to cut the sprue carried on the sprue retainer. The sprue retainer is coupled to the rotating driving such that the rotating driving unit is capable of driving the sprue retainer to rotate.

Abstract: An exemplary zinc oxide nano-wire based actuator includes a first electrode, a second electrode opposite to the first electrode, and a zinc oxide nano-wire layer sandwiched between the first electrode and the second electrode. The zinc oxide nano-wire layer includes two opposite surfaces in contact with the first and the second electrodes respectively, and a plurality of zinc oxide nano-wires substantially parallel to each other. The first electrode and the second electrode are configured for cooperatively creating therebetween an electric field with an electric field direction substantially parallel to the zinc oxide nano-wires so as to adjust a thickness of the zinc oxide nano-wire layer, thereby moving the second electrode relative to the first electrode.

Abstract: A liquid-cooled heat dissipation system includes a heat absorber; a heat dissipating member; two connecting pipes connecting the heat absorber and the heat dissipating member; and a working fluid filled in the heat absorber, the heat dissipating member, and the connecting pipes. The working fluid is capable of circulating in the circuit. The working fluid includes a base fluid, a plurality of nanoparticles and a protective agent dispersed in the base fluid. A percentage by weight of the nanoparticles in the working fluid is in the range from 0.1% to 3%.

Abstract: A lens includes a central optical portion, a peripheral portion surrounding the central optical portion, a first ZnS coating formed on the central optical portion and the peripheral portion at one side of the lens, and a first MgF2 coating formed the central optical, the peripheral portion being free of MgF2 coating formed thereon. The optical thickness of the first ZnS coating is one quarter of a wavelength of predetermined light passing therethrough. The optical thickness of the first MgF2 coating is one quarter of the wavelength of the predetermined light.

Abstract: A method for manufacturing a carbon nanotube field emission cathode includes the steps of: providing a substrate (110) with a metallic layer (130) thereon; defining 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 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 holes; and growing carbon nanotubes (690) on the substrate in the holes.

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: An exemplary zinc oxide nano-wire based actuator includes a first electrode, a second electrode opposite to the first electrode, and a zinc oxide nano-wire layer sandwiched between the first electrode and the second electrode. The zinc oxide nano-wire layer includes two opposite surfaces in contact with the first and the second electrodes respectively, and a plurality of zinc oxide nano-wires substantially parallel to each other. The first electrode and the second electrode are configured for cooperatively creating therebetween an electric field with an electric field direction substantially parallel to the zinc oxide nano-wires so as to adjust a thickness of the zinc oxide nano-wire layer, thereby moving the second electrode relative to the first electrode.

Abstract: An exemplary lens assembly comprises a first lens and a second lens. The first lens includes a first central portion, a first peripheral portion surrounding the first central portion and a stepped portion. The stepped portion has a first step upwardly extending from the first peripheral portion and a second step upwardly extending from the first step. The first step has an inner side surface, an outer side surface, and a top surface. The second step has a side surface adjoining the top surface. The second lens includes a second central portion, a second peripheral portion surrounding the second central portion and a protrusion extending downwardly from the second peripheral portion. The protrusion has an engaging surface and a bottom surface adjoining the engaging surfaces. The protrusion is engaged with the stepped portion in a manner that the bottom surface is in contact with the top surface.

Abstract: A lens includes a central optical portion, a peripheral portion surrounding the central optical portion, a first ZnS coating formed on the central optical portion and the peripheral portion at one side of the lens, and a first MgF2 coating formed the central optical, the peripheral portion being free of MgF2 coating formed thereon. The optical thickness of the first ZnS coating is one quarter of a wavelength of predetermined light passing therethrough. The optical thickness of the first MgF2 coating is one quarter of the wavelength of the predetermined light.

Abstract: An exemplary cutting apparatus for cutting components from a sprue includes a sprue retainer, a laser cutting unit, and a rotating driving unit. The sprue retainer has a supporting surface. The supporting surface defines a receiving hole, and grooves extending across the entire supporting surface. The grooves are in communication with the receiving hole. The laser cutting unit is disposed above the sprue retainer and is configured for emitting a laser beam to cut the sprue carried on the sprue retainer. The sprue retainer is coupled to the rotating driving such that the rotating driving unit is capable of driving the sprue retainer to rotate.

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: 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: 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.