Abstract: An antenna device includes a circuit board and at least one chip antenna. The circuit board includes a clearance area and at least one signal feeding line disposed in the clearance area. The chip antenna includes a substrate and at least one resonance unit partially or wholly disposed on the surface of or within the substrate. The chip antenna is disposed in the clearance area of the circuit board and the resonance unit of the chip antenna is connected to the signal feeding line. A shortest distance from an edge of the clearance area to a nearest edge of the circuit board is greater than 1/10 of a smallest width of the circuit board. Therefore, the polarization direction of the chip antenna is approximately perpendicular to the upper surface of the circuit board, as well as the direction of the strongest signal strength of the radiation pattern is approximately parallel to the upper surface of the circuit board.

Abstract: A thermosetting resin composition due to containing a modified PPE resin as a main ingredient is suited for use in making a pregreg or a copper foil substrate, when hardened, featuring a small dielectric constant (Dk), a low dielectric dissipation factor (Df) and a high Tg as well as a high resistance to heat and flame, this outstanding result is because the modified PPE resin is formed with a novel two-dimensional hardenable structure prepared to have side-chain reactive functional groups being provided in addition to those at the terminal ends of the main chain of the PPE resin thereof.

Abstract: A thermosetting resin composition contains a primary resin formed from mixing a styrene-type polyphenylene ether resin thermally modified with styrene with an acrylic-type polyphenylene ether resin thermally modified with acrylic at a weight ratio ranging between 0.5 and 1.5, consequently having excellent heat resistance, flowability, and filling ability; and when cured, having a dielectric constant smaller than 3.0 and a dielectric dissipation factor smaller less than 0.0020 at the frequency of 1 GHz as well as a glass transition temperature higher than 210° C.; in application, the composition is suitable to impregnate reinforcement to form prepregs with excellent cutability.

Abstract: A process for producing a modified polyphenylene ether resin having a purity of more than 99.4%, comprising steps of graft modification, water rinse, and extraction as well as phase splitting, is disclosed that step of separating out powder during purification is no needed, and the solvent for use in performing dissolving of or/and extraction of polyphenylene ether resin can be recycled for future use, so that the manufacturing process is simple and uses less solvent as compared to the prior art, and further helps to conserve resources and is environmentally friendly.

Abstract: A dual-passage auto-search bill acceptor includes an acceptor housing including a lower bill-inlet passage, an upper bill-outlet passage, a bill-presser and a bill-transfer mechanism mounted for transferring a bill through the bill-inlet passage to the bill-presser, a cash box mounted in a rear bottom side of the acceptor housing, and a bill dispenser mounted at a top side of the acceptor housing and including a bill-return passage in communication with the bill-inlet passage and the bill-outlet passage, a storage module with a first bill-receiving wheel, a register module with a second bill-receiving wheel and a control gate biasable to open and close a bill passage between the storage module and the register module for enabling the first bill-receiving wheel to take up bills for storage or the second bill-receiving wheel to take up bills for giving change.

Abstract: An ink-staining anti-theft cash box includes cash box mounted mainframe of bill acceptor, automatic vending machine or service kiosk and defining accommodation chamber, front opening and top mounting hole, ink cartridge including cartridge body mounted top mounting hole of mainframe, a plurality of ink holders accommodated cartridge body and actuator adapted for triggering ink holders, anti-theft security module with trigger unit mounted cash box, locking mechanism including control unit and operating unit operable drive control unit in locking or unlocking trigger unit. If cash box removed from mainframe by force without unlocking locking mechanism according normal unlocking procedure, trigger unit of anti-theft security module trigger actuator of ink cartridge, forcing respective ink holders to ink-stain storage bills in box body with unfading ink, causing bills lose their market value or transaction capabilities, deterring criminals to limit their criminal acts and enhancing security level of cash box.

Abstract: A thermosetting resin composition due to containing a modified PPE resin as a main ingredient is suited for use in making a pregreg or a copper foil substrate, when hardened, featuring a small dielectric constant (Dk), a low dielectric dissipation factor (Df) and a high Tg as well as a high resistance to heat and flame, this outstanding result is because the modified PPE resin is formed with a novel two-dimensional hardenable structure prepared to have side-chain reactive functional groups being provided in addition to those at the terminal ends of the main chain of the PPE resin thereof.

Abstract: A multi-purpose stun gun is provided with a housing including top launchers, a sound and light interference device adjacent to the launchers, a front recess under the launchers; first triggers adjacent to the launchers respectively, a rear handle, a high-voltage generator in the handle, a battery power supply in the handle for supplying electricity to the high-voltage generator, a second trigger on the housing and electrically interconnecting the high-voltage generator and the launchers, a safety on the housing for locking the second trigger, and positive and negative electrodes on the front recess and electrically connected to both the high-voltage generator.

Abstract: An organic electroluminescence display panel that includes a plurality of first pixel areas, a plurality of second pixel areas, and a plurality of third pixel areas is provided. The organic electroluminescence display panel includes a first electrode layer, an organic layer including a light-emitting layer made of organic light-emitting material and a second electrode layer. The first electrode layer includes a reflective material. The organic layer is located on the first electrode layer. The second electrode layer is located on the organic layer. The material of the second electrode layer includes a transparent metal oxide conductive material. The thickness of the second electrode layer is a single thickness and is greater than 300 nm.

Abstract: A multi-purpose stun gun is provided with a housing including top launchers, a sound and light interference device adjacent to the launchers, a front recess under the launchers; first triggers adjacent to the launchers respectively, a rear handle, a high-voltage generator in the handle, a battery power supply in the handle for supplying electricity to the high-voltage generator, a second trigger on the housing and electrically interconnecting the high-voltage generator and the launchers, a safety on the housing for locking the second trigger, and positive and negative electrodes on the front recess and electrically connected to both the high-voltage generator.

Abstract: An organic electroluminescence display panel that includes a plurality of first pixel areas, a plurality of second pixel areas, and a plurality of third pixel areas is provided. The organic electroluminescence display panel includes a first electrode layer, an organic layer including a light-emitting layer made of organic light-emitting material and a second electrode layer. The first electrode layer includes a reflective material. The organic layer is located on the first electrode layer. The second electrode layer is located on the organic layer. The material of the second electrode layer includes a transparent metal oxide conductive material. The thickness of the second electrode layer is a single thickness and is greater than 300 nm.

Abstract: A method of fabricating a differential doped solar cell is provided. The method comprises the steps of (a) providing a light doped semiconductor substrate; (b) forming a heavy doped layer having the same type of dopant used in step (a) on a front surface of the semiconductor substrate; and (c) forming an emitter layer having a different type of dopant used in step (a) on a surface of the heavy doped layer to constitute a p-n junction with the heavy doped layer.

Abstract: A coin dispensing and storing device includes a body, coin collecting tubes, a left rotatable support, a pivotal plate and a right rotatable support. Coins are received in the coin collecting tubes. The left rotatable support is pivotally connected to one side of the body. The left rotatable support allows a portion of the coin collecting tubes to be disposed therein. The pivotal plate is pivotally connected to the other side of the body. The right rotatable support is connected to the pivotal plate. The right rotatable support allows the remaining portion of the coin collecting tubes to be disposed therein. The left and the right rotatable supports can be pivotally received in or rotated to the outside of the body. With this arrangement, the operation is labor-saving. Further, the force exerting on the respective rotatable supports can be distributed efficiently to reduce the generation of damage and deformation.

Abstract: A method of fabricating a differential doped solar cell is provided. The method comprises the steps of (a) providing a light doped semiconductor substrate; (b) forming a heavy doped layer having the same type of dopant used in step (a) on a front surface of the semiconductor substrate; and (c) forming an emitter layer having a different type of dopant used in step (a) on a surface of the heavy doped layer to constitute a p-n junction with the heavy doped layer.

Abstract: The invention discloses a coin changing system. The present invention is capable of sensing the coin storing condition of each of the plurality of the accommodating modules arranged in the matrix form of more than 2 rows and 2 columns simultaneously, without limiting the arrangement thereof. Furthermore, the unique design of the guiding component of the present invention is capable of avoiding the coins from getting jammed during the accommodating process thereof. Nevertheless, the present invention requires only one single motor to deal the coins of each of the plurality of the accommodating modules so as to minimize the size of the coin changing system of the present invention. Accordingly, the present invention overcomes the problems presented in the prior art by a relatively simple design.

Abstract: The present invention relates to a cleaning apparatus for printed circuit board. The cleaning apparatus includes a base, a clamping plate fixed to the base, at least one holding member, at least one cleaning roller, and a driving mechanism. The holding member is elastically supported on the base. The at least one cleaning roller is pivotably disposed on the at least one holding member respectively. The cleaning roller includes a cleaning layer attached to a surface of the cleaning roller. The clamping plate is opposite to and departs from the cleaning roller at a distance. The driving mechanism is coupled to the cleaning roller and configured for driving the cleaning roller to rotate. The cleaning apparatus can clean printed circuit board high efficiently.

Abstract: A coin dispensing and storing device includes a body, coin collecting tubes, a left rotatable support, a pivotal plate and a right rotatable support. Coins are received in the coin collecting tubes. The left rotatable support is pivotally connected to one side of the body. The left rotatable support allows a portion of the coin collecting tubes to be disposed therein. The pivotal plate is pivotally connected to the other side of the body. The right rotatable support is connected to the pivotal plate. The right rotatable support allows the remaining portion of the coin collecting tubes to be disposed therein. The left and the right rotatable supports can be pivotally received in or rotated to the outside of the body. With this arrangement, the operation is labor-saving. Further, the force exerting on the respective rotatable supports can be distributed efficiently to reduce the generation of damage and deformation.

Abstract: A circuit substrate includes an electrically conductive layer having electrically conductive patterns formed therein, an insulating layer having a through hole, and a composite layer positioned between the electrically conductive layer and the insulating layer. The through hole is configured for having an electronic component mounted thereon. The composite layer includes a polymer matrix and at least one carbon nanotube bundle embedded in the polymer matrix. One end of the at least one carbon nanotube bundle contacts the electrically conductive patterns, and the other is exposed in the through hole of the insulation layer.

Abstract: A coin dispensing and storing device includes a coin distributing body (10), coin collecting tubes (20), a left rotatable support (30), a pivotal plate (40) and a right rotatable support (50). Coins are received in the coin collecting tubes (20) respectively. The left rotatable support (30) is pivotally connected to one side of the coin distributing body (10). The left rotatable support (30) allows a portion of the coin collecting tubes (20) to be disposed therein. The pivotal plate (40) is pivotally connected to the other side of the coin distributing body (10). The right rotatable support (50) is connected to the pivotal plate (40). The right rotatable support (50) allows the remaining portion of the coin collecting tubes (20) to be disposed therein. The left rotatable support (30) and the right rotatable support (50) can be pivotally received in the coin distributing body (10) or rotated to the outside of the coin distributing body (10). With this arrangement, the operation is labor-saving.

Abstract: A method for smoothing a printed circuit board (PCB), comprising: providing a PCB having a first smooth outer surface and an opposite second outer surface, the second outer surface including a smooth region and a plurality of dimples; applying a liquid photoresist layer onto the second outer surface of the PCB to fill the dimples; solidifying the liquid photoresist in the dimples to obtain a solidified photoresist layer; polishing the solidified photoresist layer until a surface thereof being coplanar with the smooth region; and polishing the entire second outer surface until the solidified photoresist layer is removed, thereby obtaining a plain outer surface parallel to the first smooth outer surface.