Abstract: An electronic device and a method for document segmentation are provided. The method includes: obtaining a first feature map and a second feature map corresponding to an original document; performing a first upsampling on the second feature map to generate a third feature map; concatenating the first feature map and the third feature map to generate a fourth feature map; inputting the fourth feature map to a first inverted residual block (IRB) and performing a first atrous convolution operation based on a first dilation rate to generate a fifth feature map; inputting the fourth feature map to a second IRB and performing a second atrous convolution operation based on a second dilation rate to generate a sixth feature map; concatenating the fifth feature map and the sixth feature map to generate a seventh feature map; performing a convolution operation on the seventh feature map to generate a segmented document.

Abstract: Provided is a method for synthesizing a perovskite quantum dot film, including: preparing a cellulose nanocrystal (CNC) solution, wherein the CNC solution includes a plurality of CNCs with sulfate groups; preparing a precursor solution; mixing the CNC solution and the precursor solution to form a mixed solution; and filtering and drying the mixed solution to form a perovskite quantum dot film.

Abstract: A supercapacitor electrode includes a substrate and at least one nitrogen-doped ultra-nanocrystalline diamond layer. The nitrogen-doped ultra-nanocrystalline diamond layer is disposed on the substrate. The nitrogen-doped ultra-nanocrystalline diamond layer is a dense continuous film. A conductivity of the supercapacitor electrode is 130 S/cm or more. In addition, a manufacturing method of a supercapacitor electrode is provided.

Abstract: A transformer includes a magnetic core, a primary side winding and a plurality of secondary side windings. The magnetic core includes a first outer column, a second outer column, an upper cover and a lower cover. The first outer column and the second outer column are disposed between the upper cover and the lower cover. The primary side winding is disposed on the first outer column and the second outer column, and the plurality of secondary side windings are disposed on the first outer column and the second outer column. Each of the secondary windings has one end passing through a region between the first outer column and the second outer column.

Abstract: A method is performed by using a master smart scale with a master-slave mode, a remote communication device and a slave smart scale to manage multiple chemicals from a remote place. The master smart scale performs an initialization procedure to obtain an initial weight of one chemical; generate an identification information by reading a radio frequency tag of the chemical; use the identification information to inform the remote communication device to open an input page for users to input a basic information into the master smart scale; and mark the basic information and the initial weight with the identification information. In the master-slave mode, the master smart scale allows receiving the information of the chemical from its slave smart scale. For inquiry, a specific page is opened with the remote communication device to receive and display a statistical data generated from the master smart scale.

Abstract: A supercapacitor electrode includes a substrate and at least one nitrogen-doped ultra-nanocrystalline diamond layer. The nitrogen-doped ultra-nanocrystalline diamond layer is disposed on the substrate. The nitrogen-doped ultra-nanocrystalline diamond layer is a dense continuous film. A conductivity of the supercapacitor electrode is 130 S/cm or more. In addition, a manufacturing method of a supercapacitor electrode is provided.

Abstract: The present invention provides a gradient material layer and a method for manufacturing the same. The gradient material layer has a base-material region, a diffusion region, and a compound region, wherein the diffusion region is located between the base-material region and the compound region. The base-material region includes a metal material. The diffusion region doped with nitrogen includes the metal material. The compound region includes metal nitride. The nitrogen content of the compound region is greater than that of the diffusion region.

Abstract: The present invention provides a gradient material layer and a method for manufacturing the same. The gradient material layer has a base-material region, a diffusion region, and a compound region, wherein the diffusion region is located between the base-material region and the compound region. The base-material region includes a metal material. The diffusion region doped with nitrogen includes the metal material. The compound region includes metal nitride. The nitrogen content of the compound region is greater than that of the diffusion region.

Abstract: A method of manufacturing a composite catalyst is provided. The method includes the following steps. A catalyst composition including an inorganic support and a metallic nanoparticle attached to a surface of the inorganic support is provided. The catalyst composition, an organic material, and an acidic solvent are mixed to obtain a first mixed solution. An oxidant and the first mixed solution are mixed to obtain a second mixed solution. A drying process is performed on the second mixed solution to remove a solvent in the second mixed solution and to obtain a solid composite catalyst precursor. A calcination process is performed on the composite catalyst precursor to form a carbon-decorated composite catalyst.

Abstract: A diaphragm structure is used for an audio signal output device. The diaphragm structure includes a film substrate, a polymer fiber structure and a thin film metallic glass. The film substrate includes a first surface and a second surface opposite to the first surface. The polymer fiber structure is combined with the first surface of the film substrate. The thin film metallic glass is formed on at least a part of the second surface of the film substrate.

Abstract: A manufacturing method of a protein sensor includes the following steps. A hydrophobic material is provided and the hydrophobic material has a surface. An atmospheric pressure plasma process is performed to form a hydrophilic functional group on the surface of the hydrophobic material. A first antibody is immobilized on the surface of the hydrophobic material by the hydrophilic functional group. A mixed solution is prepared. The mixed solution includes a second antibody and an analyte, and the second antibody binds to the analyte. The mixed solution is reacted with the first antibody immobilized on the surface of the hydrophobic material to bind the first antibody to the analyte. Furthermore, a protein sensor manufactured by the above-described manufacturing method of the protein sensor is also provided.

Abstract: A multi-level buck converter includes an input power source, an input capacitor, first to fourth switches, a clamp capacitor, an output inductor, a clamp switch, a clamp diode, an output capacitor, an output load, a current detection circuit, a voltage detection circuit and a control circuit. The current detection circuit detects whether an inductor current of the output inductor exceeds a predetermined current value, and if so, the output clamp signal controls the clamp switch to be turned on. The voltage detection circuit generates a duty cycle control signal according to an error between an output voltage and a target output voltage. The control circuit controls the first to the fourth switches to sequentially enter a first mode, a second mode, a third mode, and a fourth mode in a first part of a duty cycle.

Abstract: A high-intensity focused ultrasound (HIFU) therapeutic system includes a first ultrasonic transmitter and an ultrasonic imaging apparatus. The first ultrasonic transmitter transmits a HIFU therapeutic signal to a target. The ultrasonic imaging apparatus includes a second ultrasonic transmitter, an echo receiver, and a signal processor. The second ultrasonic transmitter alternately transmits a first imaging signal and a second imaging signal to the target, and the two form a complementary Golay code pair, where a bit period of a Golay code is determined by a transmission frequency of HIFU. The echo receiver receives a first echo signal, a second echo signal, and an interference signal. The signal processor performs a decoding operation on the first echo signal and the second echo signal and suppresses the interference signal to generate a high-quality ultrasonic image for monitoring a HIFU therapy.

Abstract: A treating method of a nonaqueous-electrolyte and a method of fabricating a battery are provided. The treating method is suitable for being performed prior to injecting a nonaqueous-electrolyte into a containing region of the battery. The treating method includes performing at least one first voltage process or at least one second voltage process on the nonaqueous-electrolyte. The first voltage process includes as follows. A first voltage is applied to the nonaqueous-electrolyte. The voltage is adjusted gradually from the first voltage to a second voltage. The voltage is adjusted gradually from the second voltage to the first voltage. The second voltage process includes as follows. A third voltage is applied to the nonaqueous-electrolyte for a predetermined time.

Abstract: A full bridge converter having a wide output voltage range includes an input power source, a full bridge switching circuit, a transformer, a first rectifying circuit, a second rectifying circuit, a first output circuit, a second output circuit, and a control circuit. The transformer includes a magnetic core, a primary side winding, a first secondary side winding, and a second secondary side winding. The first rectifying circuit includes a first AC switch, a second AC switch and a first freewheeling diode, and the second rectifying circuit includes a third AC switch, a fourth AC switch and a second freewheeling diode. The control circuit, according to a duty cycle, controls the first AC switch and the third AC switch to be turned on during a positive half cycle, and controls the second AC switch and the fourth AC switch to be turned on during a negative half cycle.

Abstract: A totem-pole bridgeless power factor corrector and a power factor correction method are provided. The totem-pole bridgeless power factor corrector obtains a duty cycle of next state by a predictive valley-peak current control method, and uses an OR gate element to combine PWM signals generated by an average current control method and the predictive valley-peak current control method, thereby enabling a digital signal processor to update the duty cycle.

Abstract: Provided is a method for synthesizing a perovskite quantum dot film, including: preparing a cellulose nanocrystal (CNC) solution, wherein the CNC solution includes a plurality of CNCs with sulfate groups; preparing a precursor solution; mixing the CNC solution and the precursor solution to form a mixed solution; and filtering and drying the mixed solution to form a perovskite quantum dot film.

Abstract: A method of manufacturing an optical component having micro-structures is described. The method detects a crystallization temperature within a crystallization temperature interval for fully filling the molding material into a mold cavity to rapidly produce the optical element having a micro-structure with a large area.

Abstract: A manufacturing method of a protein sensor includes the following steps. A hydrophobic material is provided and the hydrophobic material has a surface. An atmospheric pressure plasma process is performed to form a hydrophilic functional group on the surface of the hydrophobic material. A first antibody is immobilized on the surface of the hydrophobic material by the hydrophilic functional group. A mixed solution is prepared. The mixed solution includes a second antibody and an analyte, and the second antibody binds to the analyte. The mixed solution is reacted with the first antibody immobilized on the surface of the hydrophobic material to bind the first antibody to the analyte. Furthermore, a protein sensor manufactured by the above-described manufacturing method of the protein sensor is also provided.

Abstract: An optoelectronic semiconductor structure includes a first n-type semiconductor layer, a first quantum well layer, a first p-type semiconductor layer, and a second n-type semiconductor layer. The first quantum well layer is disposed on the first n-type semiconductor layer. The first p-type semiconductor layer is disposed on the first quantum well layer. The second n-type semiconductor layer is disposed on the first p-type semiconductor layer. The second n-type semiconductor layer includes both an n-type dopant and a p-type dopant. The concentration of the n-type dopant in the second n-type semiconductor layer is greater than the concentration of the p-type dopant in the second n-type semiconductor layer. The first n-type semiconductor layer, the first quantum well layer, the first p-type semiconductor layer, and the second n-type semiconductor layer form a bipolar phototransistor structure. A manufacturing method of the optoelectronic semiconductor structure is also provided.