Abstract: A power factor correction (PFC) power converter is disclosed that converts AC input power to DC output power. A single stage of the PFC power converter performs both the DC-DC power conversion and the power factor correction for the power converter. The disclosed PFC power converters are efficient in energy conversion and have a power factor of 0.9-1.0. Further, the disclosed PFC power converters can be implemented in both low and high power applications above 75 W.

Abstract: An end handler and method for processing a device are presented. The end handler includes a mating portion for mating with a tool and a support portion for supporting a film frame on a support surface. The support portion includes a support base section, extension sections extending from the support base section, and vacuum ports on the support surface for facilitating mating of the film frame on the support surface. Each of the vacuum port includes at least one reservoir having at least one vacuum opening in fluid communication with at least one vacuum source. The vacuum ports being configured to principally maintain a slimmest profile with strongest suction force possible.

Abstract: The invention provides a dual-initiated and fast cross-linked EVA (ethylene/vinyl acetate copolymer) film for the encapsulation of solar modules, which greatly enhances the speed of the encapsulation. The EVA film is mainly prepared from the following raw materials: 100 parts by mass of ethylene/vinyl acetate copolymer, 0.01 to 1.5 parts by mass of a free-radical photoinitiator, 0.01 to 1.5 parts by mass of a free-radical thermal initiator, 0.5 to 10 parts by mass of an auxiliary cross-linking agent, 0.1 to 5 parts by mass of a tackifier and 0.01 to 5 parts by mass of a light stabilizer. The present invention adds photothermal dual-initiated free-radical initiators and the auxiliary cross-linking agent of multi-functional acrylates or methacrylates to the EVA and use a thermal-UV dual curing process to prepare the solar module.

Abstract: A baking transmission mechanism includes a dustproof assembly, which includes a box, a main transport wheel, and a drive unit. The first transportation assembly includes a first oven assembly, a first feed wheel, a first discharge wheel, a first pulley assembly, and a second pulley assembly. The first feed wheel and the first discharge wheel are located at a top of the first oven assembly, and the first pulley assembly and the second pulley assembly are located at opposite sides of the first oven assembly. The second transportation assembly includes a second oven assembly, a second feed wheel, a second discharge wheel, and a third pulley assembly, wherein the second feed wheel and the second discharge wheel are located at a top of the second oven assembly, and the third pulley assembly is adjacent to the second pulley assembly.

Abstract: A transmission and positioning mechanism includes a guiding assembly, a driving assembly and a positioning assembly. The guiding assembly includes two sliding rails, a transmission belt, a plurality of sliding members. The sliding members are slidably disposed on the sliding rails. The positioning assembly includes a transmission rod, a positioning rod connected to the transmission rod, a positioning block sleeved on the positioning rod, a driving rod sleeved on the transmission rod. The driving rod defines a spiral slots and at least one limiting slot. The driving assembly is connected to the positioning assembly and rotates the transmission rod, the positioning rod and the driving rod, the spiral slot engages one of the plurality of the sliding members to move other sliding members to the at least one limiting slot and the positioning blocks, and the at least one limiting slot and the positioning blocks latch the sliding members.

Abstract: A material feeding includes a delivery assembly, a pushing assembly, and a positioning assembly. The delivery assembly deliveries workpieces. The pushing assembly is coupled to the delivery assembly and includes a cylinder. The positioning assembly includes a mounting piece and an engaging piece. The mounting piece is coupled to the cylinder and includes a slantwise slot. The engaging piece is adjacent to the delivery assembly and includes a shaft, the shaft inserts through the slantwise slot to couple the engaging piece to the mounting piece. The cylinder moves vertically to drive the mounting piece, the engaging piece moves horizontally related to the delivery assembly since the shaft slides along the slantwise slot, synchronously the cylinder pushes up the workpieces.

Abstract: An apparatus for segregating and positioning work-pieces and other objects at different desired positions includes a main body, a segregating system, and a plurality of dispensing channels defined in the main body. The segregating system has a receiving chamber and a plurality of gas inlets both defined in the main body. The receiving chamber is configured to house the work-pieces. The gas inlets are configured to allow a high-pressure gas fed therethrough into the receiving chamber. Each dispensing channel has a connecting end communicating with the receiving chamber and a positioning end opposite to the connecting end. The work-pieces are able to be driven by the high-pressure gas to move to the positioning ends through the connecting end.

Abstract: A workpiece separating device for separating workpieces from support sheets includes a lifting unit and a positioning assembly supporting the support sheets with the workpieces adhered. The lifting unit includes a lifting cylinder and two pins raised and lowered by the lifting cylinder. The two pins are raised by the lifting cylinder to push the workpieces, thereby separating the workpieces from the support sheets in turn. A method for separating workpieces from support sheets using the present device is also provided.

Abstract: A separating device for separating workpieces includes a driving unit, a supporting board, and a moving assembly. The supporting board defines a number of sliding grooves spaced from each other. The moving assembly includes a sliding board slidably assembled to the supporting board, and a plurality of first moving blocks for holding workpieces. The sliding board slides along a first direction and defines two latching holes, each extending along a second direction perpendicular to the first direction. Each of the first moving blocks extends through the latching holes to be inserted in one of the sliding grooves. The driving unit drives the sliding board to slide along the first direction. The sliding board forces the number of first moving blocks to slide along the number of sliding grooves.

Abstract: A suction device includes a baseplate, a mounting board, and at least one suction assembly. The mounting board is spaced from the baseplate. The at least one suction assembly includes two bearings and a pole. The two bearings are secured on the baseplate and the mounting board, respectively. The pole is a hollow structure and passes through the two bearings. A suction head and a connection assembly are coupled to two opposite ends of the pole. The connection assembly connects to a vacuum pump to generate a vacuum in the suction head.

Abstract: Antibodies and antigen binding fragments that bind to neublastin polypeptides are disclosed. Also disclosed are methods of using the antibodies and antigen binding fragments in assays for detecting the presence or amount of endogenous and/or exogenous neublastin in a sample and in methods of antagonizing neublastin bioactivity.

Abstract: A suction device includes a suction head, a fixing assembly, a rotating assembly, and a sliding assembly. The rotating assembly includes a shaft defining a spiral sliding slot. The suction head is attached to an end of the shaft. The sliding assembly is slidable and attached to the fixing assembly and includes a guiding post. An end of the guiding post is slidable and received in the spiral sliding slot. The sliding assembly is able to slide relative to the fixing assembly to slide the guiding post along the spiral sliding slot, thereby urging the shaft together with the suction head to rotate.

Abstract: A transporting mechanism includes a transporting assembly, a slave assembly, a driving assembly, and a transferring assembly. The transporting assembly includes a base plate, two side plates extended from the base plate, two parallel fixed sliding rails correspondingly positioned on the side plates, two movable sliding rails, a number of sliding blocks, and a transporting belt. Each fixed sliding rail includes a first end and a second end opposite to the first end. The transporting belt engages with the plurality of sliding blocks. The slave assembly and the driving assembly are positioned at two ends of the base plate and engage with the transporting belt. The driving assembly drives the transporting belt to carry the number of sliding blocks to slide along the fixed sliding rails. The transferring assembly and the slave assembly transfer the number of sliding blocks between the fixed sliding rails.

Abstract: A wafer table structure providing a single wafer table surface suitable for handling both wafers and film frames includes a base tray having a set of compartments formed therein by way of a set of ridges formed in or on an interior base tray surface; a hardenable fluid permeable compartment material disposed within the set of base tray compartments; and a set of openings formed in the base tray interior surface by which the hardened compartment material is exposable to negative or positive pressures. The base tray includes a first ceramic material (e.g., porcelain), and the hardenable compartment material includes a second ceramic material. The base tray and the compartment material are simultaneously machinable by way of a standard machining process to thereby planarize exposed outer surfaces of the base tray and the hardened compartment material at an essentially identical rate for forming a highly or ultra-planar wafer table surface.

Abstract: A multifunction wafer and film frame handling system includes a wafer table assembly having a wafer table providing an ultra-planar wafer table surface configured for carrying a wafer or a film frame, and at least one of: a flattening apparatus configured for automatically applying a downward force to portions of a warped or non-planar wafer in a direction normal to the wafer table surface; a displacement limitation apparatus configured for automatically constraining or preventing uncontrolled lateral motion of a wafer relative to the wafer table surface after cessation of an applied negative pressure and application of a positive pressure to the underside of the wafer via the wafer table; and a rotational misalignment compensation apparatus configured for automatically compensating for a rotational misalignment of a wafer mounted on a film frame.

Abstract: A flatness measuring apparatus includes a measuring assembly and a movable assembly. The measuring assembly includes a measuring unit. The measuring unit includes a supporting base, a loading block, and a limiting block mounted above the supporting base. The supporting base defines a receiving hole. The loading block is removably received in the receiving hole. The loading block is coplanar with the supporting base and cooperatively defines a limiting channel. A distance between the limiting block and the supporting base is substantially the same as a maximum allowable height of a workpiece, thereby only allowing qualified workpieces to slide therethrough and catching unqualified workpieces. The movable assembly connects to the measuring assembly to drive the loading block to disengage from the receiving hole and make the unqualified workpieces drop down from the measuring unit.

Abstract: A rotating mechanism includes a base, a number of rotating assemblies, and a transmitting assembly. The rotating assemblies are secured on the base. Each rotating assembly includes a rotating table and a limiting assembly assembled to the rotating table. The rotating table of each rotating assembly is substantially collinear and inclined a certain degree relative to a previous rotating table. The limiting assembly defines a channel. The transmitting assembly is received in the channels. When the transmitting assembly moves along the channels, the transmitting assembly is rotated.

Abstract: A material feeding includes a delivery assembly, a pushing assembly, and a positioning assembly. The delivery assembly deliveries workpieces. The pushing assembly is coupled to the delivery assembly and includes a cylinder. The positioning assembly includes a mounting piece and an engaging piece. The mounting piece is coupled to the cylinder and includes a slantwise slot. The engaging piece is adjacent to the delivery assembly and includes a shaft, the shaft inserts through the slantwise slot to couple the engaging piece to the mounting piece. The cylinder moves vertically to drive the mounting piece, the engaging piece moves horizontally related to the delivery assembly since the shaft slides along the slantwise slot, synchronously the cylinder pushes up the workpieces.

Abstract: A clamp apparatus includes a mounting module, a clamp module, and an actuator. The clamp module includes two facing arms and a cam clamped between the two arms. Each arm is rotatably mounted to the mounting module and has a clamp end. The clamp module is configured to have a clamped configuration in which each clamp end is engaged with the object and an open configuration in which the object is free from each of the clamp ends, and further configured to operate between the clamped configuration and the open configuration. The actuator is configured to drive the cam thereby imparting motive force to the two arms during the operation between the clamped configuration and the open configuration.

Abstract: A suction device includes a baseplate, a mounting board, and at least one suction assembly. The mounting board is spaced from the baseplate. The at least one suction assembly includes two bearings and a pole. The two bearings are secured on the baseplate and the mounting board, respectively. The pole is a hollow structure and passes through the two bearings. A suction head and a connection assembly are coupled to two opposite ends of the pole. The connection assembly connects to a vacuum pump to generate a vacuum in the suction head.