Abstract: A gas curtain device for a front opening unified pod has a casing. At least one first gas guide plate is disposed in the casing. The first gas guide plate has a first gas guide region. The first gas guide region has a plurality of first gas guide holes. A second gas guide plate is disposed at a distal end of the casing. The second gas guide plate has a second gas guide region. The second gas guide region has a plurality of second gas guide holes. The area of the first gas guide region is less than the area of the second gas guide region. The number of the second gas guide holes is greater than the number of the first gas guide holes. The total area of the second gas guide holes is greater than the total area of the first gas guide holes.

Abstract: A gas curtain device for a front opening unified pod has a casing. The casing has an interior space. The interior space defines a transverse gas space, a curved gas space and a vertical gas space. At least one first gas guide plate is disposed in the transverse gas space and/or the curved gas space. The first gas guide plate has a plurality of first gas guide holes. A second gas guide plate is disposed at one end of the vertical gas space. The second gas guide plate has a plurality of second gas guide holes.

Abstract: Disclosed are a high-precision semi-automatic image data labeling method, an electronic apparatus and a non-transitory computer-readable storage medium. The high-precision semi-automatic image data labeling method may include: displaying a to-be-labeled image, the to-be-labeled image comprising a selected area and an unselected area; acquiring a coordinate point of the unselected area and a first range value; executing a grabcut algorithm based on the coordinate point of the unselected area and the first range value acquired, and obtaining a binarized image divided by the grabcut algorithm; executing an edge tracking algorithm on the binarized image to acquire current edge coordinates; updating a local coordinate set based on the current edge coordinates acquired; updating the selected area of the to-be-labeled image based on the local coordinate set acquired.

Abstract: There is presented a method and a computing device for user authentication and transaction staging on a user device. The method comprises authenticating a user of the user device by a first device verification method and generating transaction credentials at the user device. The method further comprises generating at least one optical code data corresponding to the transaction credentials and displaying the at least one optical code on the user device in a form suitable for scanning by a second device to progress a transaction with the second device.

Abstract: A method includes forming a solder layer on a surface of one or more chips. A lid is positioned over the solder layer on each of the one or more chips. Heat and pressure are applied to melt the solder layer and attach each lid to a corresponding solder layer. The solder layer has a thermal conductivity of ?50 W/mK.

Abstract: The present invention relates to a linkage structure of a key switch. A second key and a fourth key share one bridge and are connected by a first connecting rod. When the second key or the fourth key is pressed down, the first connecting rod is pushed, so that a first bridge metal dome deforms and is connected to a common contact piece for conduction. A third key and a fifth key share one bridge and are connected by a second connecting. When the third key or the fifth key is pressed down, the second connecting rod is pushed, so that a second bridge metal dome deforms and is connected to the common contact piece for conduction. An input terminal is connected in series to a fuse, and the second key and the fourth key are connected in series to a diode so as to output a rectification half-wave.

Abstract: A high-insulation multilayer planar transformer (1) includes a pair of iron cores (20) and a circuit board integration (10a). The circuit board integration (10a) is stacked between the iron cores (20) and has a through hole (100a). The circuit board integration (10a) includes a first to a third insulating layers (11a, 12a, 14a) and a first to a second coil windings (13a, 15a). The first and third insulating layers (11a, 14a) include at least two insulating plates (111a, 141a) stacked with each other respectively. The second insulating layer (12a) includes at least one insulating plate (121a). The coil winding (13a, 15a) is disposed between the adjacent insulating layers and surrounds the through hole (100a) planarly. Therefore, the reinforced insulation requirement of safety regulations may be achieved.

Abstract: The topographic environment detection method and a topographic environment detection system based on a binocular stereo camera, and an intelligent terminal are provided. The topographic environment detection method includes: obtaining a left-eye image and a right-eye image about a same road scenario, and processing the left-eye image and the right-eye image to obtain a dense disparity map of the road scenario; converting image information in a detection region into 3D point cloud information in a world coordinate system in accordance with the dense disparity map; fitting a road surface model in accordance with the 3D point cloud information; inputting an image in the detection region into a trained semantic segmentation model, and obtaining a segmentation result from the semantic segmentation model; and obtaining topographic information about the detection region in accordance with the segmentation result, and transmitting the topographic information to a vehicle assistant driving system.

Abstract: A blended polyester laminating film resistant to discoloration caused by cooking, comprising polyethylene terephthalate and polybutylene terephthalate. The blended polyester laminating film comprises three layers, i.e., upper, middle, and lower layers. One surface layer contains SiO2 in a mass fraction of 1200-2000 ppm added by in-situ polymerization. The blended polyester laminating film is manufactured by a three-layer coextrusion biaxial stretching method, and the manufacturing method is 240-275° C. A film-laminated metal sheet manufactured from the blended polyester laminating film has excellent resistance to discoloration caused by cooking, and is applied to metal containers for food and beverage packaging that require high-temperature sterilization.

Abstract: A wavelength conversion device, adapted for converting the wavelength of an incident illumination beam, includes a substrate and a wavelength conversion component. The wavelength conversion component is disposed on the substrate and includes a wavelength conversion layer and at least two wavelength conversion spoilers. The at least two wavelength conversion spoilers are disposed on the wavelength conversion layer, protrude from the wavelength conversion layer, and expose part of the wavelength conversion layer, and the height of each of the at least two wavelength conversion spoilers is less than half of the distance between the at least two wavelength conversion spoilers. The wavelength conversion device in the disclosure has good heat dissipation efficiency. A projector including the wavelength conversion device is further provided in the disclosure. Manufacturing methods of the wavelength conversion device are further provided in the disclosure.

Abstract: This application discloses a back-contact solar cell, a solar cell structure, and a photovoltaic module. In one aspect, a back-contact solar cell includes a solar cell body, a positive electrode and a negative electrode formed on a back surface of the solar cell body. The positive electrode and the negative electrode each include a plurality of fingers, a plurality of busbars, and a connection electrode. At least one finger of the positive electrode and at least one finger of the negative electrode are continuous. Each busbar includes busbar sections distributed at intervals along a second direction. Each busbar section is separated from fingers having a polarity opposite to that of the busbar section by gaps between the busbar sections. Each connection electrode is connected to fingers having the same polarity as that of the connection electrode and insulated from fingers having a polarity opposite to that of the connection electrode.

Abstract: The present disclosure provides a method and an electronic apparatus for masking data on an electronic document. The method is performed by the electronic apparatus and includes: displaying the electronic document on a user interface; causing at least one analysis module to perform at least one analysis on the electronic document and a plurality of strings of the electronic document and output a first string among the plurality of strings and first position information associated with the first string according to a result of the at least one analysis; obtaining the first string and the first position information from the at least one analysis module; and generating, based on the first position information and the first string, a first masking object to mask the first string on the electronic document.

Abstract: A system for reflowing a semiconductor workpiece including a stage, a first vacuum module and a second vacuum module, and an energy source is provided. The stage includes a base and a protrusion connected to the base, the stage is movable along a height direction of the stage relative to the semiconductor workpiece, the protrusion operably holds and heats the semiconductor workpiece, and the protrusion includes a first portion and a second portion surrounded by and spatially separated from the first portion. The first vacuum module and the second vacuum module respectively coupled to the first portion and the second portion of the protrusion, and the first vacuum module and the second vacuum module are operable to respectively apply a pressure to the first portion and the second portion. The energy source is disposed over the stage to heat the semiconductor workpiece held by the protrusion of the stage.

Abstract: A zero-watermarking method and device for BIM data, and a medium are provided, which relate to the field of watermarking information security technologies. Aiming at existing zero-watermarking method for the BIM data cannot resist primitive attacks, vertical stability of a model is used to construct a mapping relationship between primitive clusters and watermarking bits, calculate norms of primitives in each primitive cluster of the primitive clusters, take positivity and negativity of norm skewness measurement of the primitives as eigenvalues to construct a binary sequence, and performs an XOR process on the binary sequence and an original watermarking sequence to construct the zero-watermarking for the BIM data. Experimental results indicate that the zero-watermarking method has uniqueness, robustness and security.

Abstract: An image positioning system capable of real-time positioning compensation includes a 3D marking device, a photographing device, a 3D scanning device, a beam splitter, and a processing unit. The 3D marking device has a polyhedral cube. The beam splitter is configured to cause the photographing device and the 3D scanning device to capture an image of and scan the 3D marking device respectively from the same field of view. The processing unit is configured to calculate image data and 3D scanning data generated respectively by the photographing device and the 3D scanning device to obtain a positioning compensation amount and perform positioning compensation.

Abstract: Methods, machine readable media and systems for evaluating, through one or more simulations, the leakage of sensitive data in an integrated circuit, such as cryptographic data or keys, are described. The embodiments can use machine learning models, such as one or more neural networks to generate one or more leakage related scores for each portion in a set of portions of the cryptographic data. In one embodiment, leakage data associated the first set of POIs with one or more neural networks is processed by the one or more neural networks to identify the POIs that leak the most and determine one or more scores for each portion in the set of portions of the cryptographic data.

Abstract: Provided are a light board, a method for manufacturing the same, a light-emitting diode (LED) backlight module and an LED backlight device. The light board includes a substrate and a LED device. The substrate includes a first surface and a second surface disposed opposite to each other. The first surface and the second surface are each provided with a wiring area and a non-wiring area. A first heat sink assembly and multiple first reinforcement ribs are disposed in the non-wiring area of the first surface. The multiple first reinforcement ribs intersect to form a first encircled area. The first heat sink assembly is disposed in the first encircled area. The LED device is disposed in the wiring area of the second surface.

Abstract: This application discloses a process method for a high-voltage metal gate device. The method includes: forming a first STI region on a substrate; etching the first STI region to form a first groove; covering the first groove with a gate oxide layer and a high-k dielectric layer; depositing a polysilicon layer to fill the first groove; depositing a silicon nitride hard mask and a silicon oxide hard mask on the polysilicon layer in the first groove to form a second groove, removing the silicon oxide hard mask; implanting a high-voltage area P-type source and drain; forming an interlayer dielectric layer to cover an auxiliary gate region including the second groove; and forming contact holes to connect to the refractory silicide through the interlayer dielectric layer.

Abstract: A network coding method includes obtaining a data packet group in to-be-sent data packets, processing the data packet group based on a generator matrix of cyclic shift network coding thereby generating encoded data packets, and sending the encoded data packets to a receiving end. The to-be-sent data packets include a plurality of data packet groups. Each data packet group of the plurality of data packet groups includes a plurality of data packets. An element comprised in the generator matrix is a corresponding element in a binary vector field converted from a multi-element field.