Abstract: A reel-to-reel flex circuit manufacturing process can be used to manufacture an FFC or flex circuit products. The processes use a laser ablation technique to generate layer patterns. The reel-to-reel process can be performed to manufacture flexible flat cables that have conductive traces that have different widths and that also have openings, such as pads, at desired locations.

Abstract: A method, computer system, and computer program product are provided for generating transcriptions of multimedia data using a context-based machine learning model. Multimedia data including video data and audio data associated with the video data is analyzed to identify one or more features in the video data. One or more candidate words are obtained based on the one or more features identified in the video data. A particular candidate word of the one or more candidate words is determined to match a particular utterance in the audio data. The particular candidate word is selected for the particular utterance based on the audio data.

Abstract: A process and a system for manufacturing a flexible circuit, and more particularly, to a process and a system for cutting and/or ablating a material in the manufacture of a flexible circuit. A method of manufacturing a flexible circuit includes supplying a first material, supplying a second material, the second material being a cover layer for the flexible circuit, laminating the first material to the second material to form a laminated product, moving the laminated product proximate to a camera, inspecting the laminated product via the camera to identify fiducial information the second material, determining whether a cutting device needs to be repositioned based on the detected fiducial information, and cutting the first material via the cutting device.

Abstract: Disclosed are methods and systems for water purification.

Abstract: A bus bar includes a bus plate for integrating battery cores and an electrically connected VSH component of the bus plate. The bus board has several connections connected to the positive or negative electrodes of the battery cells. Rows and insulation layers cover both sides of the connection rows. The VSH assembly includes a first circuit board that includes connecting lines and insulating films covering both sides of the connecting lines. One end of the battery core is connected to the corresponding connection line through a fuse, and the fuse is arranged on the corresponding insulation. On the outside of the film and the insulating layer, several welding windows are provided in the insulating film and the insulating layer. The connection lines and connection rows form soldering pads at corresponding soldering windows.

Abstract: A battery positioning element and a battery pack to which it is applied. The battery positioning element is fixed in a group to a busbar plate of the battery pack, and a region for battery positioning is formed along the outer side of the pole lugs of the busbar plate. The battery positioning element includes a base plate and a clamping portion connected to the base plate, and the clamping portion has a clamping groove corresponding to the batteries formed on the outer side of the clamping portion. The battery positioning element locates and fixes the battery to the busbar plate of the battery pack, which is convenient for welding, and in addition, avoids shaking between the batteries during the use of the battery pack, and prolongs the service life of the battery pack.

Abstract: A connector which comprises a first circuit board and a connecting piece detachably connected to the first circuit board, the connecting piece comprises a second circuit board and a third circuit board, one end of the second circuit board is detachably connected to the first circuit board through a plug connector, and the other end of the second circuit board is detachably connected to the third circuit board through a plug connector. One end of the second circuit board is electrically connected with the first circuit board, the other end of the second circuit board is electrically connected with one end of the third circuit board, and the third circuit board is a flexible circuit board and is electrically connected to the first circuit board through the second circuit board. The connector disclosed by the invention is simple in structure, and convenient to disassemble and assemble the circuit boards.

Abstract: A large-format laser processing module, comprising galvanometer cutting modules arranged above a stand through a gantry; the gantry comprises two support frames fixed to the stand and a crossbeam fixed to the top of the two support frames; a mounting plate for mounting the galvanometer cutting modules is arranged on the same side or both sides of the crossbeam; and one or more galvanometer cutting modules are arranged within the mounting plate. The large-format laser processing the number of the galvanometer cutting modules is at least two and the galvanometer cutting modules are arranged on the same side or both sides of the crossbeam; module disclosed in the present invention is characterized by a simple structure and simultaneous processing by a plurality of galvanometer cutting modules, which improves production efficiency.

Abstract: A breakpoint insulating film includes an insulating film body laminated on the surface of the flexible circuit. The insulating film has a main body that includes a battery connection area, and the battery connection area is provided with several electrode holes. The battery connection area is along the insulating film body. Several positioning hole groups are provided in the length direction, and the adjacent positioning holes include several breakpoint tearing line groups between the positioning hole groups. A split line group runs through the battery connection along the width direction of the insulating film body. The film has a simple structure and can be adjusted to a certain position through a tearing line group. The position of the positioning hole group improves the positioning between the insulating film and the flexible circuit.

Abstract: A current collector includes successive layers, which includes a first insulating layer, a reinforcement layer, a bus layer and a second insulating layer that are stacked. Several electrode connection parts are provided in the bus layer. The reinforcing layer includes a first reinforcing plate and a second reinforcing plate arranged at intervals. Each layer is provided with a first hole corresponding to an electrode connection part. The current collector has a simple structure, and includes reinforcing layers that are formed mutually independent of each other, and includes a first reinforcing plate and a second reinforcing plate. The gap between the first reinforcing plate and the second reinforcing plate can be bent arbitrarily.

Abstract: An electromagnetic bed for a workpiece includes an electromagnetic bed body having a top surface that includes magnetic blocks arranged in a rectangular array, at least one of the magnetic blocks has a positioning pin protruding from the second top surface, the at least one of the magnetic blocks being fixed in the electromagnetic bed body by a bolt, a bottom plate placed proximate to the second top surfaces, and a cover plate is arranged correspondingly with the electromagnetic bed body, the cover plate being made of a magnetic material, with the workpiece placed between the bottom plate and the cover plate.

Abstract: A connector comprising a first circuit board and a second circuit board disassembled on the first circuit board through a connecting piece, the connecting piece slides through the first circuit board and the second circuit board, and the first circuit board and the second circuit board are fixed to each other, the first circuit board is provided with a conductive part, the second circuit board is provided with a contact part, and the second circuit board is provided with a contact part. When the second circuit board is installed on the first line circuit board, the conductive part and the contact part are electrically connected. The connector of the invention is simple in structure and convenient for disassembly and assembly between the first line circuit board and the second circuit board.

Abstract: A connector comprising a first circuit board and a second circuit board disassembled on the first circuit board through a connecting piece, the connecting piece slides through the first circuit board and the second circuit board, and the first circuit board and the second circuit board are fixed to each other, the first circuit board is provided with a conductive part, the second circuit board is provided with a contact part, and the second circuit board is provided with a contact part. When the second circuit board is installed on the first line circuit board, the conductive part and the contact part are electrically connected. The connector of the invention is simple in structure and convenient for disassembly and assembly between the first line circuit board and the second circuit board.

Abstract: A process for producing mesophase pitch, the process including: providing a feedstock having a T5?400° F. (204° C.) and a T95?1,400° F. (760° C.); heating the feedstock at a temperature of at least 450° C. to produce a heat treated product including mesophase pitch, wherein the heating is conducted under reaction conditions sufficient to have an equivalent reaction time greater than or equal to 1,000 seconds; and recovering the mesophase pitch.

Abstract: The invention relates to the field of oilfield development engineering, and discloses a self-growing gel dispersion active fluidity control system and a fluid channeling control method for a low-permeability-tight reservoir. The system contains 100 parts by weight of a self-growing gel dispersion and 0.15-0.6 part by weight of a surfactant, the self-growing gel dispersion is prepared by shearing and grinding nano-reinforced chromium-aldehyde double-group cross-linked integral gel, and the preparation method of the nano-reinforced chromium-aldehyde double-group cross-linked integral gel comprises the following steps: adding a functional polymer, a phenolic resin cross-linking agent, are organic chromium cross-linking agent and a nano-reinforcer into water, mixing, and curing.

Abstract: A process for producing mesophase pitch, the process including: contacting an isotropic pitch with a solvent under conditions sufficient to produce a solvent fraction comprising the solvent and an insoluble fraction comprising mesophase pitch; and recovering the mesophase pitch, wherein the contacting includes the solvent having a Solubility Blending number (SBN) that causes the mesophase pitch to have a softening point ranging from 270° C. to 350° C., as measured in accordance with ASTM D3104-14.

Abstract: Mesophase pitch compositions may be obtained by subjecting isotropic pitch compositions to heat-treatment. Methods for producing mesophase pitch compositions may comprise heat treating an isotropic pitch composition comprising two or more aromatic classes linked with at least one methylene bridge between each aromatic classes, at a temperature of about 300° C. to about 500° C. to produce a mesophase pitch composition having a weight average molecular weight of about 300 g/mol to about 2,000 g/mol, a softening point of about 100° C. or greater, a mesophase content of about 0.01 vol % to 100 vol %, based on the total volume of the mesophase pitch composition, and a micro carbon residue of about 25 wt % or greater, based on the total weight of the mesophase pitch composition; wherein heat treating induces cyclization between at least two of the two or more aromatic classes to form one or more 5-membered rings and/or 6-membered rings.

Abstract: A method for assessing test adequacy of deep neural networks based on element decomposition is provided. The network testing is divided into black box testing and white box testing, of which key elements are decomposed and defined. Network parameters including a weight matrix and a bias vector are extracted. Importance values of neurons in individual layers of the deep neural network are calculated and clustered, and an importance value hot map of neurons in each layer is generated based on clustering results. Mutation testing, and index calculation and evaluation are performed.

Abstract: Processes are described for producing mesophase pitch. The processes generally comprise providing a feedstock having a T5 ?400° F. (204° C.) and a T95 ?1,400° F. (760° C.) and heating the feedstock at a temperature ranging from about 420° C. to about 520° C. to produce a heat treated product including isotropic pitch. Generally, the heating is conducted under conditions sufficient to satisfy the relationship [X*Y]?20,000 seconds, wherein X is the equivalent reaction time of the heating, and wherein Y is the bromine number of the feedstock as measured in accordance with ASTM D1159. The processes generally further comprise contacting the isotropic pitch with a solvent having a Solubility Blending number (SBN) of at least about 10 SU under conditions sufficient to produce a solvent fraction comprising the solvent and an insoluble fraction comprising mesophase pitch, and recovering the mesophase pitch.

Abstract: The present application provides a display device includes: a display panel; at least one function film disposed on at least one side of a display panel, wherein each of the function film includes a first magnetic unit; wherein display device further includes a second magnetic unit located between the display panel and each function film. The second magnetic unit is securely connected to the display panel and has a magnetic attraction force between the second magnetic unit and the first magnetic unit. The display panel is slidably connected to the function film through the second magnetic unit.