2164 results about "Edge region" patented technology

The embodiment of the invention relates to the photovoltaic field, and provides a back contact battery and a preparation method thereof, and a photovoltaic module, and the back contact battery comprises a battery body of which the back surface comprises a first edge region, a central region and a second edge region which are sequentially arranged along a first direction; the first fine grid and the second fine grid are positioned in the central region and are alternately arranged along a second direction; the edge bus bar extends along the second direction, is positioned in the first edge region or the second edge region, and is connected with the plurality of first or second fine grids; the edge bonding pad is located on the portion, close to the first edge area or the second edge area, of at least one fine grid and electrically connected with the edge bus bar, and the fine grid is one of the first fine grid and the second fine grid; one end of the connecting section is connected with one side, close to the edge bus bar, of the edge bonding pad or connected with one of the two opposite sides of the edge bonding pad in the second direction, the other end of the connecting section is connected with the edge bonding pad or one fine grid, and at least the photoelectric conversion efficiency of the back contact battery can be improved.

The invention discloses a solar cell and a manufacturing method thereof, and a photovoltaic module, and relates to the field of photovoltaic technology. The solar cell includes: a semiconductor substrate having a first surface including a first region and a second region; the second area comprises an edge area and a middle area, each of the edge area and the middle area comprises a step structure recessed towards the second surface, and the step depth of the step structure of the edge area of the second area is larger than that of the step structure of the middle area of the second area; and the first doping layer is arranged on the first region, and the height of the bottom wall of the step structure in the middle region of the second region is lower than that of the first doping layer. The first passivation layer is arranged on the side, away from the semiconductor substrate, of the first doping layer and arranged on the second area. According to the embodiment of the invention, the thickness along the splitting direction is reduced, so that the splitting difficulty is reduced, meanwhile, the recombination of current carriers is reduced, and the passivation effect is improved.

Provided herein are various apparatuses and systems for providing edge heating of semiconductor wafers using optical means. Such systems may direct radiant energy towards the edge region of a semiconductor wafer.

The invention discloses a circuit board surface coating quality detection method and device, and the method comprises the steps: obtaining an image of a coating surface, and removing noise interference; brightness gradient information is extracted, and when the brightness gradient information exceeds a preset brightness threshold value, it is judged that defects exist, and a potential defect area is obtained; a potential defect area is separated from the background, image brightness distribution is mapped into plating depth data, and surface topography parameters are calculated; the defect areas are classified, edge optical characteristics are extracted from coating edge areas in the image, the coating thickness difference is calculated, the thickness difference and the edge optical characteristics are fused to obtain fusion characteristics, and an image is generated through an algorithm; and calculating the brightness dispersion degree of the plating layer edge and the local thickness difference of each edge region, carrying out weighted average on the corresponding pixel gray value to obtain a fused comprehensive defect region image, and calculating to obtain the comprehensive quality score of the plating layer. The method can accurately detect the quality of the circuit board.

Provided are a solar cell, a method for preparing a solar cell, and a photovoltaic module, relating to the field of photovoltaics. The solar cell includes a substrate, a dielectric layer and a doped semiconductor layer which are stacked, a passivation layer, and electrodes. The substrate has a first surface. The first surface includes an edge region and a center region. The edge region surrounds the center region. The edge region is substantially flush with or closer to the second surface than the center region. The dielectric layer is formed over the center region. The passivation layer covers the edge region and a surface of the doped semiconductor layer facing away the dielectric layer. The electrodes are located in the center region, and penetrate the passivation layer in a thickness direction to be in electrical contact with the doped semiconductor layer.

A heavy-duty truck includes a cabin, a window having an upper edge region and a lower edge region, a hinge that rotatably couples the upper edge region of the window to the cabin, and a motor-driven actuator coupled to the lower edge region of the window such that actuation of the motor-driven actuator in a first direction moves the lower edge region of the window away from the cabin, thereby opening the window to an open position, and actuation of the motor-driven actuator in a second direction opposite to the first direction moves the lower edge region of the window toward the cabin, thereby closing the window to a closed position.

The embodiment of the invention provides a preparation method of a solar cell and the solar cell, and the method comprises the steps: firstly obtaining a substrate cell piece, forming a passive film layer on the substrate cell piece, then forming a grid line on the passive film layer, and then carrying out the sintering. When the grid line is subjected to laser scanning, reverse bias voltage is applied to the grid line, meanwhile, laser scanning is carried out from the middle area of the passive film layer to the edge area, and the laser power when laser scanning is carried out on the middle area is larger than the laser power when laser scanning is carried out on the edge area. When a passive film is formed, due to the influence of a winding plating phenomenon, the passive film has the characteristics that the middle is thin and the edge is thick. The laser power of the edge area is lower, so that the process strength of the edge area can be reduced, and the temperature generated by the edge area can be reduced. Compared with the prior art, the method has the advantages that the high-temperature phenomenon of the edge area can be relieved, the abnormal black edge phenomenon caused by high process strength at the edge is effectively reduced, and the product yield and quality are improved.

The invention provides a progressive addition lens design method based on free-form surface expression, is mainly used for vision correction of presbyopia groups, and belongs to the field of eye vision optical design. According to the design method, focal power matching and astigmatism minimization of the progressive multi-focus lens are achieved by optimizing the free-form surface, the design method constructs a nonlinear functional minimization problem by means of free-form surface expression, and meanwhile an optimized initial solution is obtained by solving a linear fourth-order partial differential equation related to a spherical base disturbance term; according to the method, astigmatism in an effective area of the lens can be minimized on the premise of realizing focal power matching as far as possible, high astigmatism areas on two sides of the progressive channel are transferred to an edge area of the lens, and various customization requirements including specific light adding degree, channel length, effective visual area range and the like can be met for a wearer.

The invention is suitable for the technical field of solar cells, and provides a back contact cell, a cell assembly and a photovoltaic system. The back contact battery comprises a silicon substrate and a plurality of fine grids arranged on the silicon substrate, the plurality of fine grids extend along a first direction and are arranged at intervals along a second direction, and the silicon substrate is provided with a first edge in the second direction; the silicon substrate comprises a first edge region, and the first edge region is an edge region close to the first edge; at least one fine grid located in the first edge area comprises a bent part, the maximum distance between the bent part and the first edge is larger than the distance between the fine grid and the first edge, and the bent part is located in the area, electrically connected with the welding strip, of the fine grid. According to the back contact battery, the battery assembly and the photovoltaic system provided by the invention, the welding tension of the fine grids in the first edge region can be improved, the current collection effect can also be improved, and the power generation efficiency of the battery is further improved.

The invention relates to a cuboid membrane stack (9) for an air humidifier (1), which has a stacking direction (S) and four stacking sides (10) transverse to the stacking direction (S), wherein the membrane stack (9) has a vertical direction (Z) parallel to the stacking direction (S), a longitudinal direction (X) perpendicular to the vertical direction (Z), and a transverse direction (Y) perpendicular to both the vertical direction (Z) and the longitudinal direction (X), wherein the four stacking sides (10) form an air supply inlet (ZE) and an air supply outlet (ZA) facing away from each other in the longitudinal direction (X), and an exhaust air inlet (AE) and an exhaust air outlet (AA) facing away from each other in the transverse direction (Y), wherein the membrane stack (9) has several membranes (11) which, within the membrane stack (9), each form an air supply path (ZP) connecting the air supply inlet (ZE) to the air supply outlet (ZA), and an exhaust air path (AP). separate,which connects the exhaust air inlet (AE) with the exhaust air outlet (AA). Improved dimensional stability can be achieved by forming a membrane pair (18) with two membranes (11) that are adjacent in the stacking direction (S) and that define one of the supply air paths (ZP) in the stacking direction (S), by connecting the two membranes (11) of the respective membrane pair (18) airtightly to each other by an adhesive bond (21) in a first edge region (19) adjacent to the exhaust air inlet (AE) and in a second edge region (20) adjacent to the exhaust air outlet (AA), and by having the membrane stack (9) have several spacers (12) that are arranged in the stacking direction (S) between two immediately successive membrane pairs (18) and each of which rests against one of the membranes (11) of the two membrane pairs (18) and separates them from each other in the stacking direction (S), such thatthat the membranes (11) adjacent to and spaced apart from each other on the spacer (12) limit one of the exhaust air paths (AP) in the stacking direction (S).

The invention relates to the technical field of semiconductor detection, and discloses a digital detection system and method for a wafer ultrasonic field, and the method comprises the steps: configuring an acoustic topological insulator coupling system, and constructing a non-scattering sound wave transmission channel; a heterogeneous metasurface sound field regulation and control system is constructed, and depth dimension information is obtained; applying an acoustic holographic compensation algorithm to eliminate imaging distortion of the bending area, and outputting compensated sound field distribution; executing a phase recovery and annular reconstruction algorithm to realize high-quality three-dimensional imaging of the marginal region; a self-adaptive coupling adjustment system is realized, and the characteristics of a coupling material are automatically adjusted according to the edge reflection signal quality monitored in real time; the non-scattering sound wave transmission channel is constructed through the acoustic topological insulator coupling system, the problem of serious sound wave scattering in the edge area is effectively solved, the detection sensitivity of the wafer edge area is improved, the defect omission ratio is reduced compared with a traditional method, and the wafer detection integrity is improved.

The invention relates to the technical field of resolution improvement, in particular to a video definition improvement method and system.According to the video definition improvement method and system, through window accumulation of adjacent frame gray difference and coordinate difference, minimum displacement is selected, mapping is updated, boundary neighborhood weighted correction is carried out, cross-frame dislocation is reduced, and motion area connection is guaranteed; capturing a three-frame gray scale sequence to calculate a difference value, writing a replacement value according to a monotone and amplitude condition, inputting the replacement value and an alignment frame difference into Fourier transform, decomposing amplitude and phase distribution in a residual field in a frequency domain, and performing amplitude and phase consistency elimination on an abnormal block during frame-by-frame superposition to obtain an abnormal block; row difference and column difference absolute values of neighborhood blocks in the residual iteration texture matrix are accumulated into energy, the energy and a center difference are combined with a threshold value to output a mark, and a texture region and an edge region are distinguished; the brightness of the low-frequency position is updated according to the weight mean value, the maximum difference and the direction difference are combined for the high-frequency position, the edge gradient is extracted through the convolutional neural network, a correction value is generated, edge steps and fuzziness are suppressed, and high-frequency details are continuously kept.

The invention discloses a peripheral visual area out-of-focus imaging system with variable out-of-focus amount. The peripheral visual area out-of-focus imaging system is composed of a zoom reflector and a spectroscope. The zoom reflector is located right above an observed object, and the side, provided with the microstructure array, of the zoom reflector faces the observed object; the spectroscope is positioned between the zoom reflector and an observed object, and is inclined at a certain angle relative to the vertical direction; the surface, provided with the microstructure array, of the zoom reflector comprises two regions, namely a central region S1 and a peripheral edge region S2, the S1 region is composed of a concentric ring microstructure array with the equivalent focal length F1, the S2 region is composed of concentric ring microstructures with the equivalent focal lengths F1 and Fv which are alternately arranged, the centers of concentric rings of the S1 region and the S2 region coincide, and the center of the concentric ring microstructures of the S1 region and the center of the concentric ring microstructures of the Fv region coincide with the center of the concentric ring microstructures of the S2 region. And the microstructure is an edge tooth structure in circular ring distribution. The micro-structure array is adopted, the defocusing amount can be freely controlled through the structure parameters of the micro-structure array capable of being flexibly regulated and controlled, a defocusing image with the variable defocusing amount and uniform brightness is achieved, and therefore the good myopia prevention and control effect is achieved.

An acoustic wave device, a radio frequency filter and an electronics module are provided. The acoustic wave device, comprises a layer of piezoelectric material, a pair of interdigital transducer electrodes disposed on an upper surface of the layer of piezoelectric material, each interdigital transducer electrode including a bus bar and a plurality of electrode fingers extending from the bus bar through a central region of the interdigital transducer electrode towards an edge region of the interdigital transducer electrode, each of the plurality of electrode fingers having a width in a direction perpendicular to the extension of the electrode fingers that is smaller in the edge regions than in the central regions, and trench portions located in the upper surface of the layer of piezoelectric material, the trench portions overlapping with the edge regions of the interdigital transducer electrodes. The acoustic wave device provides effective suppression of transverse modes.

The invention discloses a processing method related to abutted seam Mura patterns. The method comprises the steps that a to-be-printed pattern is divided into at least two printing partitions; wherein one printing subarea is a corresponding area, printed on the substrate at a time, of the nozzle module, and the at least two printing subareas comprise the first printing subarea and the second printing subarea; printing operation is executed on the edge area according to a preset first proportion and a preset second proportion; wherein the edge area is an adjacent area of the first printing subarea and the second printing subarea, the edge area comprises a first edge area and a second edge area, and the preset first proportion is the proportion of ink droplets printed by the spray head module for the first time to ink droplets to be printed in the first edge area, and the preset second proportion is the proportion of ink droplets printed by the spray head module for the second time to ink droplets to be printed in the second edge area. The preset second proportion is the proportion of ink droplets printed by the nozzle module for the second time to ink droplets to be printed in the second edge area. According to the method and the device, abutted seam Mura patterns between two adjacent pass can be reduced.

The invention relates to a SiC crystal ingot facet detection method based on Raman combined with resistivity detection, which comprises the following steps: S1, providing a silicon carbide workpiece, acquiring resistivity rho k of different detection areas on the surface layer of the workpiece based on a preset resistivity detection scanning path, and further preliminarily screening out resistivity abnormal areas; s2, on the basis of a preset Raman detection scanning path, obtaining the edge area on the surface layer of the workpiece, the Raman characteristic peak frequency omega ij of different detection points of the resistivity abnormal area obtained in the S1, a detection image, and an XY coordinate position on an XY plane perpendicular to the height direction of the workpiece; and S3, based on a preset n-rho inverse proportion function model of the doping concentration n and the resistivity rho, and a delta omega-n linear model of the Raman frequency shift delta omega and the doping concentration n, determining and associating the XY coordinate positions of the S2 and the corresponding resistivity rho ij, and constructing a resistivity distribution diagram of the surface layer of the workpiece. The method has the advantages of small detection error and short detection time.

Disclosed herein in is an absorbent pet pad having erectable edges that define a central region where pet waste in confined. An exemplary embodiment comprises a non-rigid absorbent central region surrounded by edge region. The edge region can be erected to an erected angle, forming a substantially vertical border surrounding the pad. The border serves to retain pet waste, and to urge a pet, instinctively, to locate itself entirely on the pad when expelling waste. The erected angle forming the border may be established and maintained with edge attachment features. The erected edge region may be especially rigid owing to a folded A-shaped cross section.

To provide a packaging substrate enabling easy detection of defects that may occur in a glass substrate, and a manufacturing method thereof.SOLUTION: A packaging substrate 20 includes a glass substrate 21 having an edge region and containing a first surface and a second surface facing each other, and an upper layer 70 laminated on the first surface or a lower layer 80 laminated under the second surface. The edge region of the glass substrate includes an edge of the glass substrate and a region of the glass substrate which protrudes beyond the upper layer or the lower layer. A manufacturing method of the packaging substrate includes a step of preparing the glass substrate and forming the upper layer on the first surface, a step of removing a part of the upper layer along a cutting line which is a cutting-planned position, thereby forming a removal line, a filamentation forming step of forming a filamentation in the glass substrate along the removal line, and a step of cutting the glass substrate using the filamentation.SELECTED DRAWING: Figure 9

A semiconductor device may include a substrate including center and edge regions, active patterns on the substrate, channel patterns on the active patterns, source / drain patterns connected to the channel patterns, and gate electrodes on the channel patterns. Each of the source / drain patterns may include a buffer layer in contact with a corresponding one of the channel patterns and a main layer on the buffer layer. The main layer of each of the source / drain patterns may include first and second semiconductor layers, which may be sequentially stacked and contain germanium. A concentration of the germanium in the first semiconductor layer may be higher on the center region than on the edge region, and a concentration of the germanium in the second semiconductor layer may be lower on the center region than on the edge region.

The embodiment of the invention provides an image detection method and device, equipment and a medium. The method comprises the steps of obtaining a to-be-detected image; intercepting a central area in the to-be-detected image to obtain a target image; performing image denoising on the target image to obtain a denoised image; performing binarization processing on the denoised image to obtain a binarization processing result; and based on the binarization processing result, judging whether the to-be-detected image is an image of blank paper or not. According to the embodiment of the invention, the central area in the to-be-detected image can be intercepted to obtain the target image, the target image is subjected to image denoising, and then whether the to-be-detected image is an image of blank paper or not can be judged based on the denoised image. The interference of the edge area of the to-be-detected image and noise in the to-be-detected image on image detection can be avoided, so that whether the to-be-detected image is an image of blank paper or not can be accurately detected.

The invention provides a heat dissipation plate, a middle frame and electronic equipment. The heat dissipation plate comprises a first cover plate, a second cover plate, a capillary structure and a cooling medium; the second cover plate comprises a middle area and an edge area arranged around the middle area, and the middle area comprises a shaping area and a containing area connected with the shaping area; the edge area is fixedly connected with the first cover plate, the containing area of the middle area and the first cover plate are arranged in a spaced mode, a containing cavity is defined, the capillary structure is fixedly connected with the first cover plate and located in the containing cavity, and the cooling medium is arranged in the containing cavity; the shaping area of the middle area is fixedly connected with the first cover plate. Therefore, when the accommodating area of the second cover plate is not flat, the edge acting force can be applied to the shaping area of the second cover plate, so that the flatness of the accommodating area of the second cover plate can be calibrated to be within the specification, the yield of the flatness of the heat dissipation plate is improved to a great extent, and the problems of top screen of the heat dissipation plate and battery degumming are solved.

A structural component serves as a container for a vehicle. The structural component comprises a trough-shaped container section, an edge region, and fastening elements that are provided in the edge region. The container section forms a compartment and defines a bottom region and two or more wall regions, which are at least sectionally inclined with respect to the bottom region. The two or more wall regions are arranged between the bottom region and the edge region. The fastening elements are arranged and distributed around the container section. The container section and the edge region are formed of an injection moldable fiber reinforced thermoplastic material. The structural component at least sectionally has a porous internal structure that is formed by foaming the thermoplastic material.

An airfoil includes an airfoil section that defines a trailing edge region that includes a trailing edge. The airfoil section is formed of a ceramic matrix composite that includes core fiber plies and skin fiber plies. The core fiber plies define a radial tube that has a radiused end in the trailing edge region. The skin fiber plies wrap around the core fiber plies and a filler element in the trailing edge region is aft of the internal cavity and is sandwiched between the skin fiber plies on the pressure side and the skin fiber plies on the suction side. There is at least one cooling passage that includes a first, inlet orifice section that opens to the internal cavity at a location forward of the radiused end and that extends through the core fiber plies, and a second, outlet orifice section that extends through the trailing edge.

A method of manufacturing a display device includes forming a thin film transistor layer in an active area of a substrate, forming a metal layer on an edge area of the substrate, transferring first coating patterns to the edge area, the first coating patterns covering a portion of the metal layer corresponding to shapes of side surface lines, etching the metal layer to form the side surface lines, an upper surface of each of the side surface lines being covered by the first coating patterns, transferring a second coating pattern to the edge area, the second coating pattern covering a side surface of each of the side surface lines and the first coating patterns, and transferring light emitting elements to the thin film transistor layer. The second coating pattern includes openings corresponding to the first coating patterns in a plan view.

The invention discloses a display panel correction method and device, and the method comprises the steps: carrying out the brightness correction of every two adjacent regions, and the brightness correction of the edge region of one region comprises the steps: calculating the brightness mean value of the adjacent boundaries of the two adjacent regions; applying the brightness mean value to a corresponding pixel of the edge region, and determining a corrected boundary region corresponding to the edge region; determining a correction divergence field based on the divergence of the edge region and the divergence of the correction boundary region; and determining the pixel brightness of the corrected edge region based on the corrected divergence field. According to the method, the brightness of the edge areas of the adjacent areas is corrected based on divergence correction, so that splicing gaps can be remarkably reduced or completely eliminated when multi-area splicing or multi-display panel splicing is carried out, the overall display uniformity of the display panel is improved, and a spliced picture looks smoother and more uniform.

The invention relates to the technical field of remote sensing image processing, in particular to a stereo matching method of a high-resolution stereo satellite panchromatic image pair. By comprehensively applying a combined geometric coding convolution and gating iterative optimization mechanism, the capturing capability of the model on a complex geometrical shape is remarkably enhanced; the multi-scale cost volume is aggregated, so that the model can be effectively matched with a ground object on different scales, and meanwhile, shielding and shadow areas are effectively processed, so that the matching accuracy and robustness are improved; the parallax estimation process is further optimized by introducing a gradient consistency constraint loss function, clear distinguishing of the parallax image in an edge region and smooth transition of a weak texture region are ensured, and therefore the overall quality of the parallax image is improved. The objective of the invention is to solve the problem of how to improve the capability of capturing a complex geometrical shape in remote sensing image stereo matching and reduce the dependence on the precision of a data set at the same time.

The invention relates to the technical field of blade contour measurement, and discloses a blade contour measurement method and system for an art knife. The method comprises the steps that after an art knife blade image is preprocessed, segmentation is conducted through an edge intensity weighted improved Otsu algorithm, a blade contour is obtained in combination with morphological operation, pixel-level edges are extracted through a Canny algorithm, and finally sub-pixel accurate positioning is achieved based on Fourier transform and a Zernike moment, and high-precision blade contour coordinates are obtained. According to the method, the defects of low precision and poor noise immunity in the existing art knife blade contour measurement method are overcome, the measurement precision reaches 0.1 pixel or below, meanwhile, the method has the self-adaptive processing capacity for edge areas with different complexities, and it is ensured that high-precision and high-reliability blade contour measurement results are obtained in various complex environments.

The utility model discloses a mask device, which relates to the technical field of metal mask plates, including a precision metal mask plate and a mask frame. The precision metal mask plate includes an edge area, multiple effective areas, and multiple transition areas. The edge areas are located at both ends of the precision metal mask plate along a first direction, and the edge areas are connected to the mask frame; the multiple transition areas are distributed at intervals along the first direction; each effective area is distributed between two adjacent transition areas, and each effective area is formed with a vapor deposition hole that penetrates the effective area along the thickness direction. The mask device also includes a support bar, both ends of the support bar are fixed to the mask frame, the length direction of the support bar intersects with the first direction, and the size of the support bar along the first direction is not greater than the size of the transition area along the first direction, and the support bar is connected to the corresponding transition area. The utility model has the advantages of reducing the flutter of the precision metal mask plate during the vapor deposition process and improving the color mixing yield.

The invention discloses a high-temperature test method for a power semiconductor device, and relates to the technical field of quantum thermal control, and the method comprises the steps: collecting a temperature field and surface conductivity data of an edge region of the power semiconductor device in real time, and synchronously applying an electric stress of a specified working voltage to the power semiconductor device; an internal thermal displacement field is reconstructed based on the temperature field, a calibration thermal displacement field is generated, and the topological number of the edge area is calculated in combination with the surface conductivity data; generating a thermal failure risk distribution map according to the spatial position of the peak value of the thermodynamic entropy yield, and locking a high-entropy variable power dense region; and the electric stress applying direction is dynamically adjusted in association with the high-entropy variable power dense area, and a thermal failure diagnosis report is output after a full-period high-temperature test is completed. According to the method, submicron-level real-time positioning of the thermodynamic entropy generation peak value under the high-temperature working condition is achieved through collaborative mapping of the quantized calibration thermal displacement field and the tensor field of the classic temperature gradient.

The invention discloses a universal and efficient panoramic image super-resolution reconstruction method and device, which are applied to a panoramic image super-resolution reconstruction model, and comprises the following steps: obtaining geometric features of a low-resolution image, extracting deep features of the low-resolution image, and modulating and mixing the geometric features and the deep features until a potential code is obtained; and the potential codes are subjected to nearest neighbor sampling on the low-resolution image through the coordinates of the high-resolution image to obtain sampling features, the sampling features are spliced with the coordinates of the high-resolution image, prediction pixel values are obtained through decoding, and the prediction pixel values are recombined to obtain a super-resolution image. According to the method provided by the invention, the geometric consistency of the image and the integrity of spatial information are ensured, the details of the panoramic image can be better recovered in a super-resolution task through the coordinates of the spherical high-resolution image and the reasonable sampling of the low-resolution image, and the super-resolution image can be better recovered in a high-latitude area and an edge area. More accurate and efficient panoramic image super-resolution can also be realized, and the calculation cost can also be remarkably reduced.