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 temperature control system (100) includes a heating system (1), a cooling system (2) and a control unit (3). The heating system has a heated fluid. The heated fluid is heated by a solar energy for increasing the mold temperature. The cooling system has a cooled fluid. The cooled fluid cools for decreasing the mold temperature. The control unit controls the heating system and the cooling system to be opened or closed.

Abstract: An exemplary clamping apparatus (10) for optical members (50) includes a base (11) and a positioning frame (13). The base has a plurality of receiving grooves (122) defined therein. Each receiving groove is configured for receiving one optical member therein. The positioning frame is mounted on the base. The positioning frame has a cavity (132) defined therein for receiving the optical members.

Abstract: A mold clearing tool includes a support portion and a draft portion. The support portion includes a bracket and two poles extending downward from two ends of the bracket. The bracket includes a second through hole defined therein. The draft portion includes a main body and a spiral draft end on one end of the main body. The spiral draft end is threaded outside. The draft portion is movably received through the second through hole for clearing excess material remaining in a molding chamber. The molding chamber includes a plurality of first through holes defined therein.

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 digital camera module (100) with an auto-focusing function is adapted for use in a foldable electronic device. The digital camera module includes a lens mount (10), a lens barrel (20), a voice coil actuator (40), and an image pick-up module (50). The lens barrel receives at least one lens (24) therein and is mounted on/in the lens mount. The lens barrel is made of a composite material including a magnetic metallic nano-powder. The voice coil actuator is adapted for cooperating with the lens barrel to form a magnetic loop. The image pick-up module is disposed under the lens mount and is configured for receiving an image from the at least one lens and converting that image to an electrical signal.

Abstract: An apparatus for assembling a lens module includes a UV light source and a pressing device. The lens modules each having a first component, a second component and UV curable adhesive applied between the first and second components. The UV light source is configured for emitting UV light toward the UV curable adhesive. The pressing device is configured for pressing the first components against the second components. A method for assembling a lens module is also included in the invention.

Abstract: A helmet includes a shell and a cooling module attached to the shell. The cooling module includes a heat pipe, a thermoelectric cooler, and a film type solar cell. The shell has an outer surface and an inner surface. The heat pipe is embedded in the shell and includes an evaporating section and a condensing section. The thermoelectric cooler includes a cold end brought into contact with the condensing section of the heat pipe, a hot end exposed to the exterior of the shell, and an array of N-type semiconductor elements and an P-type semiconductor elements electrically connected in serial sandwiched between the cold end and the hot end. The film type solar cell is provided on the outer surface of the shell and electrically connected with the thermoelectric cooler and used for supplying electric energy to the thermoelectric cooler. A cooling module is also included in the invention.

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: An exemplary clamping fixture (100) for washing optical members (60) includes a base (10), two clamping elements (20, 30), and a securing member (40). The base defines a plurality of holding grooves (13) configured for holding a first portion (61) of each of the optical members therein. The clamping elements are disposed at two sides (12) of the base. Each of the clamping elements has a plurality of holding slots (22) defined therein. The holding slots are configured for holding a second portion (62) of each of the optical members. The securing member is configured for securing the clamping elements and the optical members together in such a manner that the optical members can be removed from the base.

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 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 electrical brush includes an electrically conductive base and a plurality of carbon nanotubes. The electrically conductive base has a contact surface. The carbon nanotubes are formed on the contact surface of the base and are configured for contacting with a rotary member. The method includes the steps of: providing an electrically conductive base having a contact surface; and forming a plurality of carbon nanotubes on the contact surface of the base. The electrical brush can be applied in various electrical machineries for efficiently collecting and transferring machine current over a long working period.

Abstract: An exemplary clamping fixture (100) for washing optical members (60) includes a base (10), two clamping elements (20, 30), and a securing member (40). The base defines a plurality of holding grooves (13) configured for holding a first portion (61) of each of the optical members therein. The clamping elements are disposed at two sides (12) of the base. Each of the clamping elements has a plurality of holding slots (22) defined therein. The holding slots are configured for holding a second portion (62) of each of the optical members. The securing member is configured for securing the clamping elements and the optical members together in such a manner that the optical members can be removed from the base.

Abstract: An exemplary clamping apparatus (9) for optical members includes a top fixture (10) and a bottom fixture (20). The top fixture has a top washing slot (13) defined therein. The bottom fixture has a bottom washing slot (24) defined therein. The bottom washing slot communicates with the top washing slot. The bottom fixture and the top fixture are mounted together for receiving the optical members.

Abstract: An exemplary clamping apparatus (10) for optical members (50) includes a base (11) and a positioning frame (13). The base has a plurality of receiving grooves (122) defined therein. Each receiving groove is configured for receiving one optical member therein. The positioning frame is mounted on the base. The positioning frame has a cavity (132) defined therein for receiving the optical members.

Abstract: A liquid cooling module includes a heat-absorbing unit, a heat-dissipating unit, a outlet pipe and a inlet pipe. The heat-dissipating unit includes a tank configured for receiving a coolant therein, a pump disposed in the tank, at least one thermoelectric device and at least one heat sink. The thermoelectric device has a first surface and a second surface facing away the first surface, the first surface thereof is attached to the tank. The heat sink is attached to the second surface of the thermoelectric device. The outlet pipe interconnects the heat-absorbing unit and the pump. The inlet pipe interconnects the tank and the heat-absorbing unit. The liquid cooling module has a small volume, and can be easily disposed in a computer enclosure.

Abstract: An exemplary solar energy assembly includes a body (10), a solar energy collecting component (20), and a lens module (30). The lens module is movably mounted to the body and is configured for concentrating incident solar radiation onto the solar energy collecting component. The solar energy collecting component is movably mounted to the body and is configured for converting incident solar radiation energy into electrical energy. The solar energy collecting component and the lens module are movable between a first position and a second position. In the first position the lens module, the body, and the solar energy collecting component are stacked on each other. In the second position the solar energy collecting component and the lens module are moved away from the body so as to enable the lens module to concentrate incident solar radiation onto the solar energy collecting component.

Abstract: A liquid cooling system includes a heat-absorbing unit, a heat-dissipating unit, at least one pipe, a coolant and a magnetic field generator for generating a magnetic field. The pipe interconnects the heat-absorbing unit and the heat-dissipating unit, thereby the heat-absorbing unit, the heat-dissipating unit and the pipe cooperatively form a circulatory channel. The coolant is received in the circulatory channel, the coolant comprises a liquid and a plurality of magnetic particles dispersed in the liquid. At least one of the heat-absorbing unit and the heat-dissipating unit is located in the magnetic field. The liquid cooling system increases the thermal conductivity of the coolant by making the coolant flow turbulently. The efficiency of the liquid cooling system resultantly being increased.