Abstract: A polishing device includes an outer barrel, an inner barrel, polishing members, and an actuator. The outer barrel defines a chamber and includes inner surfaces substantially parallel to a central axis of the outer barrel. Each of the inner surfaces defines a holding groove for holding a workpiece. The inner barrel is received in the chamber and includes a side surface substantially parallel to the central axis. The side surface defines installation grooves. Each polishing member includes an elastic piece, a polishing motor connected to a bottom of a corresponding installation groove by the elastic piece and received in the corresponding installation groove, and a polishing plate connected to the polishing motor and capable of being driven to rotate by the polishing motor. The actuator is configured for driving the outer barrel to spin and move back and forth along the central axis.

Abstract: A coating apparatus for coating a number of workpieces includes a deposition chamber, a reaction assembly, and a driving assembly. The deposition chamber includes a housing defining a cavity. The reaction assembly is received in the deposition chamber and includes an outer barrel, an inner barrel, a number of nozzles, and a number of pipes. The housing and the outer barrel define a reaction chamber therebetween. The outer barrel includes a main body and two protruding portions extending from the main body. The workpieces are positioned on the protruding portions. The main body and the inner barrel define a first room therebetween. The inner barrel defines a second room. The pipes communicate the second room with the reaction chamber. The nozzles communicate the first room with the reaction chamber. The driving assembly is connected to the reaction assembly and configured for rotating the reaction assembly in the cavity.

Abstract: A sandblasting apparatus includes a processing chamber, a sandblasting nozzle positioned on a top of the processing chamber, a support mechanism, an elevation mechanism, a worktable, and a cutting mechanism. The support mechanism is positioned in the processing chamber and opposite to the sandblasting nozzle. The support mechanism is used for supporting a template with a cutting pattern. The elevation mechanism is positioned on the bottom of the processing chamber. The worktable is located between the support mechanism and the elevation mechanism and configured for supporting a plate for processing and being opposite to the template. The center of worktable defines a through hole matching with the pattern of the template. The cutting mechanism is fixed on the elevation mechanism and faces the through hole. The elevation mechanism drives the cutting mechanism to move toward or away the worktable.

Abstract: An exemplary liquid purifying apparatus includes beads in contact with the liquid, a rotating shaft, and a driving member. Each bead has a purifying coating comprised of a nano material. The rotating shaft has the beads positioned thereon and is configured for rotating the beads. The driving member is configured for driving the rotating shaft to rotate, thereby rotating the beads in the liquid.

Abstract: An exemplary liquid purifying apparatus includes beads in contact with the liquid, a lighting element, and a driving member. Each bead has a purifying coating comprised of a nano material formed thereon. The lighting element has the beads positioned thereon. The driving member is configured for driving the lighting element to rotate, thereby rotating the beads in the liquid.

Abstract: A lens barrel coating aid apparatus includes a holder, a suction component and a suction source. The holder includes a holding surface, securing portions positioned on the holding surface to fix lens barrels, and a first positioning portion. The first positioning portions are formed on the holding surface, and spaced from the securing portions. The suction component includes a suction surface facing the holding surface and a second positioning portion corresponding to the first positioning portion. Suction holes are defined on the suction surface corresponding to the securing portions. The suction holes are configured to suck plugs to insert into or pull out of the lens barrels. The second positioning portions are formed on the suction surface, and spaced from the suction holes. The suction source is connected with the suction holes, and provides suction force to the suction holes.

Abstract: A vapor deposition apparatus includes a deposition chamber, an umbrella-shaped supporting member, a plurality of coating precursor sources. The umbrella-shaped supporting member is received in the deposition chamber. The supporting member is configured for supporting a number of workpieces. The coating precursor sources oppose the supporting member. Each coating precursor source includes a stationary sleeve and a moveable member moveably received in the stationary sleeve. The moveable member defines a recess for receiving a coating material in a top end of the moveable member opposing the supporting member. The moveable members are moveable relative to the respective stationary sleeve such that a distance between the supporting member and the coating material in each recess can be adjusted.

Abstract: A coating apparatus includes a base, actuators, separating boards and a gas guide grill. The base includes a carrying surface for supporting a workpiece. The base defines recesses on the carrying surface. The actuators include shafts rotatably located in the recesses correspondingly, and motors for driving the shafts. The separating boards are located above the carrying surface and securely connected to the shafts. The separating boards define chambers therebetween. The separating boards are capable of being rotated toward the carrying surface by the shafts. The gas guide grill is located above the base. The gas guide grill defines gas guide holes corresponding to the chambers respectively.

Abstract: An exemplary light blocking plate includes a flat plate-like light pervious member, and a blocking and shielding layer formed on the light pervious member. The blocking and shielding layer includes a top surface facing away from the light pervious member, a bottom surface facing the light pervious member, and a through hole extending from the top surface to the bottom surface. The blocking and shielding layer includes an electromagnetic shielding layer having a first part of the top surface, and a light blocking layer. The light blocking layer includes a first portion having the bottom surface, and a second portion having a second part of the top surface, and extending from the first portion to the second part of the top surface. The electromagnetic shielding layer surrounds the second portion of the light blocking layer. The second portion of the light blocking layer surrounds the through hole.

Abstract: A method for making a conductive film includes: providing a carbon nanotube film defining a plurality of holes therein; attaching the carbon nanotube film on a substrate; adjusting a temperature of the carbon nanotube film in a range from about 7° C. to about 9° C.; dropping and rubbing a nanoparticle aqueous solution in the carbon nanotube film, the nanoparticles aqueous solution containing a plurality of nanoparticles; and adjusting the temperature of the carbon nanotube film in a range from about 24° C. to about 26° C. and drying the carbon nanotube film to obtain the conductive film on the substrate.

Abstract: A target base includes a fixed carrier, a rotatable carrier, a number of target housings, and a number of target supports. The rotatable carrier is rotatably mounted on the fixed carrier. The target housings are mounted on the fixed carrier around the rotatable carrier, and define receiving spaces adjacent to the rotatable carrier. The target supports are rotatably mounted on the target housings correspondingly. Each target support is able to rotate to be received in the receiving space of a corresponding one of the target housings or to move out of the receiving space.

Abstract: A film coating holder includes a top cover, a plurality of annular parts, and a plurality of connecting pieces. The top cover defines a plurality of first holes for receiving workpieces therein. The plurality of annular parts is stacked on each other with progressively increasing radiuses. Each of the plurality of annular parts defines a plurality of second holes for receiving the workpieces, and the top cover is positioned on the annular part with a minimum radius. The plurality of connecting pieces connects the annular part with the minimum radius to the top cover and connects each two adjacent annular parts together.

Abstract: A magnetron sputtering device includes a holding compartment, a target assembly, a supporting base, and a rotation module. The holding compartment is divided to a reactive chamber and a receiving chamber. The target assembly includes two cooling plates, two magnetic units, and a target. The two cooling plates define a magnetron room communicating with the receiving chamber. The two magnetic units are suspended in the magnetron room. The target is attached on the cooling plate under the magnetic units. The supporting base is for supporting work-pieces. The rotation module is received in the receiving chamber, and jointed to the two magnetic units. The rotation module drives the magnetic units to spin about a central axis thereof and move back and forth along a direction lengthwise of the magnetic unit.

Abstract: A coating system includes a housing, a coating umbrella, a rotatable assembly, a lift driver, a solvent storage chamber, and a jet device. The housing includes a block dividing the housing into a coating chamber and a painting chamber. The coating umbrella is configured for receiving a number of workpieces. The rotatable assembly is connected to the coating umbrella to drive the rotatable assembly to rotate. The lift driver lifts the rotatable assembly to switch the position of the coating umbrella between the coating chamber and the spray painting chamber. The solvent storage chamber is configured for storing paint solvent. The solvent storage chamber communicates with the painting chamber. The jet device is received in the solvent storage chamber, and communicated with the painting chamber to spray the paint solvent onto the workpieces.

Abstract: A spin coating device includes a container and a rotating member. The container is used for holding a first solution and includes a sidewall which a plurality of substrates are arranged on. The rotating member is rotatable within the container and includes an inlet and at least one outlet. A second solution flows into the rotating member through the inlet, and flows into the container through the at lease one outlet. A mixture of the first solution and the second solution is spread onto the substrate by centrifugal force of the rotating member.

Abstract: A wet-coating apparatus includes a main body, a cleaning agent bin, a coating agent storage bin, a hot-air injector, a heater, and a transport. The main body defines a coating chamber. The coating chamber includes a first sub-chamber, a second sub-chamber, and a third sub-chamber located between the first and second sub-chambers. The cleaning agent storage bin is received in the first sub-chamber. The coating agent storage bin is received in the first sub-chamber and located adjacent to the third sub-chamber. The hot-air injector is received in the third sub-chamber. The heater is received in the second sub-chamber. The transport is located over the cleaning agent storage bin and the coating agent storage bin, and configured to transport a substrate from the first sub-chamber to the second sub-chamber.

Abstract: A composite coating apparatus includes a main body, two carrying boards, and two actuators. The main body defines a first chamber and a second chamber with a separating board intervening therebetween. The separating board defines a coating opening intercommunicating with the chambers. The carrying boards are received in the first chamber and rotatably connected to the separating board at two sides of the coating opening. Each carrying board defines a receiving groove for holding a substrate. The actuators are configured for driving the carrying boards to rotate between a first coating position, in which the substrate is exposed to the second chamber for a first coating process carried out in the second chamber via the coating opening, and a second coating position, in which the substrate faces away from the separating board for a second coating process carried out in the first chamber.

Abstract: A dip coating apparatus includes a container, a separating plate, an air intake, at least one driving module, and at least one carrying base. The separating plate separates the container into a first chamber and a second chamber, and defines a through opening communicating the two chambers. The first chamber is configured for drying workpieces, and the second chamber is configured for carrying coating liquid to coat the workpieces. The air intake takes drying air into the first chamber. The driving module is mounted on the separating plate. The carrying base carries the workpieces, and is connected to the driving module and positioned in the second chamber. Driven by the driving module, the carrying base is able to dip the workpieces into the coating liquid for coating, and is able to cover the through opening and expose the workpieces to the first chamber for drying.

Abstract: A coating holder for holding a plurality of workpieces includes a rotating shaft, a first driving member, a plurality of hanging arms, a plurality of supporting trays, and a plurality of second driving members. The first driving member is configured for driving the rotating shaft to rotate. The hanging arms extend from the rotating shaft. Each hanging arm includes a free end distal from the rotating shaft. The supporting trays are configured for holding the workpieces. The second driving members are fixed in the respective free ends and are connected to the respective supporting trays. The second driving members are configured for driving the supporting trays to rotate.

Abstract: An exemplary plasma film-coating apparatus includes a reaction chamber, a pipe, and a reaction device. The reaction chamber defines a reaction cavity. The reaction cavity includes receiving grooves defined in an inner wall of the reaction chamber. The receiving grooves are configured for receiving workpieces. The pipe extends through the reaction chamber and is in communication with the reaction cavity. The reaction device is rotatably connected to the reaction chamber. The reaction device includes two electrodes and at least one precursor chamber. The two electrodes are positioned inside the reaction cavity, and face each other. The at least one precursor chamber is attached to a surface of one electrode away from another electrode, and extends through the reaction chamber. The at least one precursor chamber is in communication with the reaction cavity and is configured for providing gaseous precursor.