76 results about "Cell chip" patented technology

The invention relates to the technical field of battery piece production, and particularly discloses a photovoltaic battery piece production feeding device which comprises a suction cup and a suction nozzle, a cavity is formed in the suction cup, the suction nozzle adsorbs a battery piece when the cavity is in a negative pressure state, a through hole communicated with the cavity is formed in the suction nozzle, and a sealing plate and a driving part are arranged in the suction nozzle. The driving part is connected to drive the sealing plate to rotate, a control plate is arranged on the suction cup, a plurality of inserting rods are arranged on the control plate, inserting holes are formed in the sealing plate, the driving part drives the sealing plate to rotate to the through holes when airflow continuously exists in the suction nozzle in the negative pressure state of the cavity, and after the sealing plate rotates to the through holes, the control plate slides to drive the inserting rods to be inserted into the inserting holes. The insertion rod and the insertion hole are matched to fix the sealing plate, and when the sealing plate is located in the through hole, the suction nozzle stops sucking; the photovoltaic battery piece production feeding device has the effect of conveniently feeding battery pieces of different specifications.

The invention discloses a photovoltaic module real-time health state monitoring system, which relates to the technical field of health monitoring and comprises a photovoltaic module information acquisition module, a battery piece hot spot analysis module, a battery piece history analysis module, a bypass diode analysis module, a photovoltaic module maintenance processing module and a local database, according to related data of the photovoltaic module, the battery piece area with the hot spot problem in the photovoltaic module is screened, the bypass diode, needing to be maintained, of the photovoltaic module is detected, the battery piece area with the hot spot problem of the photovoltaic module is maintained in time, the output efficiency of the photovoltaic module is guaranteed, and meanwhile the maintenance efficiency of the photovoltaic module is improved. The occurrence rate of irreversible damage to a fault cell area of the photovoltaic module is also reduced, and the bypass diode is timely overhauled, so that the service life of the photovoltaic module is prolonged.

The invention relates to the technical field of solar cells, and provides a preparation method of a solar cell piece and the solar cell piece, the solar cell piece is formed by cutting the whole cell piece, the solar cell piece is provided with a cutting surface formed by cutting, and the method comprises the following steps: providing a substrate; coating a substrate with the passivation slurry to form a passivation film with a nanoscale thickness on the substrate; and transferring the passivation film on the substrate to the cutting surface of the solar cell by using a transfer printing process so as to form a passivation layer on the cutting surface. The problem that in an existing half-wafer passivation process, passivation slurry is prone to being diffused to a non-target area, and therefore the performance of a battery piece is affected is solved.

The invention discloses a real-time monitoring method for the water content of a pole piece / battery cell and a baking system, and belongs to the technical field of pole piece / battery cell production. Comprising the following steps: firstly, according to the initial vacuum degree P0, the vacuum degree P1, the gas free volume V, the baking temperature T, the total mass N before baking and the molar gas constant R, obtaining the moisture content W1 of the baked pole piece / battery cell at the current moment in the baking process; and obtaining the real-time water content W of the pole piece / battery cell according to the initial water content W0 and the baked water content W1. According to the real-time monitoring method for the water content of the pole piece / battery cell, the real-time water content of the pole piece / battery cell in the vacuum baking process can be calculated, and the baking system realizes real-time monitoring on the water content of the pole piece / battery cell in the vacuum baking process, so that the baking process of the pole piece / battery cell is controlled, the limitation of post detection is avoided, and the reliability of the baking process is improved. The reject ratio of the pole piece / battery cell in the baking process is reduced, the production efficiency is improved, the baking precision and efficiency of the pole piece / battery cell are remarkably improved, and reliable technical support is provided for the battery manufacturing industry.

The application provides a preparation method of organoids based on a single cell chip, which comprises microfluidic chip preparation, a two-water-phase solution preparation, a single cell suspension preparation, microfluidic manipulation, single cell-loaded microgel generation and organoid construction and the like. The application takes a microfluidic chip integrated with a normally closed pneumatic pump valve as a technical platform, takes a single cell suspension pre-incubated with a crosslinking agent as a chemical reaction core, takes a water-in-water droplet as a forming template, and realizes efficient in-situ loading of single dispersed seed cells in a micro hydrogel carrier through a one-step method, and simply removes empty droplets without cells in a subsequent transfer step. The single cells in the microgel can be cultured, expanded and self-organized to form required organoids. The application improves the consistency of the starting point of the organoids, has the high-throughput characteristics of the droplet microfluidic technology, realizes efficient and highly reproducible in-vitro construction of the organoids, and can play a great role in the fields of basic research and transformation application related to the organoids.

The utility model relates to the related technical field of photovoltaic cells, and provides a solar cell piece, a solar cell and a power utilization device. A grid line structure is arranged on at least one side face of the battery piece, and the grid line structure comprises a fine grid printed on the corresponding side face of the battery piece in the first direction; the main grid is printed on the side face, printed with the fine grid, of the battery piece in the second direction and is in lap joint with the fine grid on the outer side, back on to the battery piece, of the fine grid; wherein the main grids and the fine grids are connected through corresponding lapping wire segments. By adjusting the printing positions of the fine grid and the main grid, the fine grid is formed on the solar cell, and then the main grid (located on the outer side compared with the fine grid and the main grid) is arranged, so that the risk of grid breakage at the module end due to the welding problem can be avoided, in addition, based on the design mode of the solar cell, the problem of poor lap joint of the main grid and the fine grid can be avoided, and the service life of the solar cell is prolonged. And the quality of the whole grid line structure can be improved, so that the yield of the damp heat reliability test of the battery piece is improved.

The utility model discloses a battery piece drying device and electroplating equipment, the drying device comprises a plurality of groups of drying assemblies, all the groups of drying assemblies are arranged at intervals along a first direction, each group of drying assemblies comprises a plurality of drainage pipes which are sequentially arranged along a second direction, and the drainage pipes are arranged at intervals along the second direction. A plurality of drainage holes which are distributed at intervals in the third direction are formed in the drainage pipe, the drainage holes are communicated with a pipe cavity of the drainage pipe, a transmission channel through which the battery piece can penetrate is formed between every two adjacent groups of drying assemblies, and at least part of the drainage holes face the transmission channel. According to the battery piece conveying device, the battery pieces can be dried when moving to pass through the conveying channel, the battery pieces do not need to be additionally dried after being detached, the battery pieces can be directly conveyed to the next working procedure after being dried, the machining efficiency is greatly improved, and the fragmentation risk of the battery pieces is reduced.

The invention discloses a battery piece laser processing system and a processing and transferring method, and relates to the technical field of photovoltaic cells, the battery piece laser processing system comprises a rotating arm, a first laser, a second laser, a feeding device and a discharging device; the rotating arm is provided with a first material taking end and a second material taking end, the first material taking end transfers battery pieces to be machined in the feeding station to the first machining station or the second machining station along with rotation of the rotating arm, and the second material taking end transfers the battery pieces machined in the first machining station or the second machining station to the discharging station along with rotation of the rotating arm; the first laser device and the second laser device are used for carrying out laser processing on the battery pieces at the first processing station and the second processing station respectively; the feeding device conveys a battery piece to be machined to a feeding station. The discharging device conveys the battery pieces machined in the discharging station outwards. According to the technical scheme provided by the invention, a structural foundation is laid for accelerating the laser processing production takt of the battery pieces and improving the batch production efficiency of the battery pieces.

The invention relates to an automatic focusing method applied to a micro-cell chip, and the method comprises the steps: collecting a surface image of the micro-cell chip through a camera erected on a mobile platform, obtaining a position matrix of a positioning mark based on a pre-trained positioning mark recognition model, the method comprises the following steps: acquiring a positioning mark of a microcosmic cell chip, acquiring a plane position of the positioning hole in a camera coordinate system through matrix mapping and coordinate transformation based on the position of the positioning mark, controlling and moving a vertical position of a microcosmic camera at the plane position, and acquiring M high-power microcosmic images of the microcosmic cell chip so as to determine a focus position of each positioning hole, fitting based on the focal position of the positioning hole to obtain a focal broken line, a focal plane and / or a focal curved surface, and calculating based on any one of the focal broken line, the focal plane and / or the focal curved surface and the cell height to obtain the focal position of the measured cell. According to the invention, the recognition precision and speed are improved, and errors can be significantly reduced through adaptive error correction.

A solar thin film cell comprises a front plate glass layer, an adhesive film layer and a CIGS thin film cell chip layer which are sequentially stacked from top to bottom, polystyrene spherical particles are evenly distributed in the adhesive film layer, and the polystyrene spherical particles are distributed in the adhesive film layer in a single-layer mode. The preparation method comprises the following steps: laying an adhesive film on a CIGS thin film battery chip to form an adhesive film layer; uniformly spraying polystyrene spherical particles on the surface of the adhesive film layer through a plurality of special spraying heads; covering the corresponding front plate glass on the adhesive film sprayed with the polystyrene spherical particles for lamination; and after lamination is completed, a lamination process is carried out, and the lamination process comprises lamination, hot pressing and cold pressing.

Provided is a technique capable of improving the detectability of a chemical substance such as a smell substance when cells are stored under refrigeration.　Specifically provided is a cell chip for use in storage under refrigeration associated with recovery culture, the cell chip containing cells.

Disclosed herein is cell culturing device, cell culturing systems, methods to produce a cell culturing device, a kit or parts, methods for culturing cells, cellular chips, the use of such a cellular chip, a cell culturing device blank and a cell culturing blank system.

A disclosed cell chip comprises: a substrate on which a plurality of electrode pads are provided in pairs; a bonding wire which connects each pair of electrode pads in an arch shape having a height so that the electrode pads are electrically connected; and a resin layer stacked on the substrate such that a portion including the apex of the bonding wire is exposed.

A memory device includes a cell chip, a memory device includes a memory cell array having a plurality of first lines and a plurality of second lines, first and second bonding pads adjacent to each other in a first region and electrically connected to the plurality of first lines, and third and fourth bonding pads adjacent to each other in a second region different from the first region and electrically connected to the plurality of second lines; and a logic chip electrically connected to the first, second, third, and fourth bond pads of the cell chip. The first and second bonding pads are electrically connected to a third line among the plurality of first lines, and the third and fourth bonding pads are electrically connected to a fourth and fifth line among the plurality of second lines, respectively.

The utility model discloses a photovoltaic cell pin power-on test device. The photovoltaic cell pin power-on test device comprises a pressing mechanism and a driving mechanism. The pressing mechanism comprises a pressing plate, the lower end of the pressing plate is provided with power-on copper bars which are arranged in parallel at intervals, and the lower ends of the power-on copper bars are provided with pins which are arranged at intervals; the driving mechanism comprises a driving seat, the driving seat is rotatably matched with the rotating table, angle adjusters abutting against the adjusting table are in threaded connection with the two sides of the driving seat, a pressing plate of the pressing mechanism is rotatably matched with the driving seat of the driving mechanism, and the angle of the pressing plate can be accurately adjusted by rotating the angle adjusters at the front end and the rear end of the driving seat before testing operation. It is ensured that the pressing plate provided with the electrifying plate is kept horizontal, and height difference is avoided; in the testing process, the electric cylinder module is used for driving downward pressing for pressing, so that the whole surface of the pin head on the power-on copper bar is in contact with the photovoltaic battery piece, and the battery piece is prevented from being broken due to the angle problem.

The invention relates to the technical field of photovoltaic module detection, in particular to a photovoltaic cell defect detection device and detection method of a BC process. The high-precision optical module is composed of a camera, a polarization filter set and a single-hole area light source, the polarization filter set restrains back electrode metal reflection interference at a filtering angle of 45 + / -5 degrees, and the continuous adjustable range of the brightness of the single-hole area light source is 0-5000 Lux; the deep learning and morphology fusion module is used for integrating an improved YOLOv5 model and a Halcon multistage morphology processing unit, the YOLOv5 model is used for embedding an EMA attention mechanism in a neck network, and a Crafe up-sampling operator is used for replacing a traditional interpolation layer; and the dynamic optimization module is used for dynamically adjusting a defect judgment threshold value based on the coating thickness uniformity data obtained by the MES, and optimizing a smoothing factor parameter of an EMA attention mechanism in real time through an edge computing node. According to the scheme, complex reflection interference of the back contact structure can be solved.

The present invention discloses a solar cell feeding, slicing, splitting and transporting device, including: a cell feeding mechanism, a cell transporting and slicing mechanism, a cell splitting mechanism and a manipulator grabbing mechanism. Through the above-mentioned method, the solar cell feeding, slicing, splitting and transporting device provided by the present invention can realize automatic grabbing and string stacking of small cell sheets, automatic adjustment of the laser focus after the cell sheet format is switched, and positive pressure blowing to prevent cutting dust from affecting the operation of the laser, thereby improving the yield of the cell sheet, improving the production efficiency of the equipment, and reducing the cost of solar cell cutting components.

A memory device including a memory block performing a sub-block operation is provided. The memory device includes a chip stack structure, which includes a peripheral circuit structure and a cell array structure. The cell array structure includes a first cell chip and a second cell chip on the first cell chip. The first cell chip includes a plurality of first sub-blocks, and the second cell chip includes a plurality of second sub-blocks. Each of the memory blocks is constituted of a first sub-block and a second sub-block corresponding thereto. The first word lines are respectively connected to the second word lines. In an erase operation of a selected first sub-block of a selected memory block among the memory blocks, the first string select lines sequentially float with a delay at a level of a ground voltage starting from a first string select line far from the first bit lines.

A semiconductor device may include a cell chip and a core / peripheral chip on the cell chip. The cell chip may include a first semiconductor substrate, a first device layer disposed on the first semiconductor substrate, a bottom electrode disposed on the first device layer, a dielectric layer conformally covering a top surface of the first device layer and the bottom electrode, a top electrode disposed on the bottom electrode and spaced apart from the bottom electrode by the dielectric layer, an insulating layer provided on the first device layer to cover the top electrode, and a first contact vertically penetrating one of the first semiconductor substrate or the insulating layer and connected to the top electrode. The top electrode may include a semiconductor layer and a metal layer that are stacked, and the first contact may be in contact with the metal layer.

To provide a memory chip and a semiconductor package including the same with increased integration density.SOLUTION: A memory chip includes a cell chip and a core peripheral chip that are vertically arranged and electrically connected to each other. The cell chip includes cell regions each including a memory cell layer. The core peripheral chip includes a core group region and a peripheral region adjacent to each other in a first direction. The core group region includes core regions arranged in a row along a second direction intersecting the first direction. Each of the core regions includes a core bank including a core circuit and a neural processing unit (NPU) block including an NPU.SELECTED DRAWING: Figure 3

The present invention discloses a perovskite solar cell, a processing method thereof, and a BIPV component, wherein the processing method of the perovskite solar cell comprises the following steps: providing a first perovskite solar cell chip; cutting the first perovskite solar cell chip by non-contact cutting or mechanical cutting to obtain a second perovskite solar cell chip; and grinding the second perovskite solar cell chip at least after cutting by mechanical cutting, cooling the chip by liquid gas or water cooling during the grinding step; wherein, at least during the water cooling step, the second perovskite solar cell chip is covered with a waterproof protective film. The processed cell chip will not have the problem of hydrolysis reaction of the perovskite film layer leading to a decrease in the electrical performance and stability of the product. The processing method can be used to process perovskite solar cells of various sizes and shapes for manufacturing BIPV components, meeting the application requirements of various scenarios such as building curtain walls and roofs.

The present invention is to provide a cell chip and a three-dimensional tissue chip and a production method therefor such that even when a highly viscous cell-containing solution is a material, the highly safe and reproducible cell chip or three-dimensional tissue chip with a desired application volume can be produced within a short time and in a large quantity so as to have a desired cell density and exhibit high cell viability.

A cell chip is produced by performing a fixing step for immersing cells in a cell fixing liquid, an arrangement step for discharging a cell suspension containing the fixed cells and a liquid from an inkjet-mode discharge part onto a discharge target medium such as a membrane to arrange droplets of the cell suspension on the discharge target medium, and a dyeing step for dyeing a cell-derived component, in this order.

The invention discloses a high-concentration solar cell chip, which belongs to the field of solar cells, and comprises a high-concentration optical system module, a solar cell chip main body and a heat dissipation system module, the high-concentration optical system module is used for converging sunlight to the solar cell chip main body; the solar cell chip main body is made of a gallium arsenide-based semiconductor material, and a nanoscale anti-reflection layer is arranged on the surface of the solar cell chip main body; the heat dissipation system module comprises a micro-channel heat dissipation structure, and the micro-channel heat dissipation structure is arranged on the back surface of the solar cell chip main body and is used for rapidly guiding out heat generated by the solar cell chip main body; according to the invention, through the high-power condensation optical system module, the condensation efficiency of sunlight is obviously improved, and the light energy received by the solar cell chip main body is greatly increased; by adopting the gallium arsenide-based semiconductor material, the nanoscale anti-reflection layer and the multi-junction structure, the photoelectric conversion efficiency of the solar cell chip is improved from multiple dimensions.

A method of manufacturing a semiconductor device includes forming a cell chip including a first substrate, a source layer on the first substrate, a stacked structure on the source layer, and a channel layer passing through the stacked structure and coupled to the source layer, flipping the cell chip, exposing a rear surface of the source layer by removing the first substrate from the cell chip, performing surface treatment on the rear surface of the source layer to reduce a resistance of the source layer, forming a peripheral circuit chip including a second substrate and a circuit on the second substrate, and bonding the cell chip including the source layer with a reduced resistance to the peripheral circuit chip.

The application discloses a cell culture chip and a single-cycle fluid device, wherein the cell culture chip comprises a base, and the base is provided with a plurality of liquid storage chambers used for storing culture solution, each of the liquid storage chambers is provided with an outlet and an inlet, the outlet only allows the culture solution to flow out, and the inlet only allows the culture solution to flow in, at least one culture groove is arranged between each pair of the liquid storage chambers, and the culture groove is used for culturing a cell chip; in each pair of the liquid storage chambers, the outlet of one of the liquid storage chambers is communicated with the inlet of the other liquid storage chamber through the at least one culture groove, and the inlet of the one liquid storage chamber is communicated with the outlet of the other liquid storage chamber. By adopting the two single-flow liquid storage chambers, the culture solution in the two liquid storage chambers can only flow out from the outlet and flow in from the inlet, so that the unidirectional flow of the culture solution in the culture groove is realized, and the culture solution in the two liquid storage chambers can also be circulated.

The present invention discloses a calibration method for detecting the expression result of a target protein in a tissue. The calibration method performs immunohistochemical staining of the same batch on a standard cell chip and a tissue slice to be tested to obtain a stained standard cell mass and a stained tissue slice, and then obtains the adaptation parameters of each stained standard cell mass and stained tissue slice by immunohistochemical analysis software, and then uses the algorithm of the present invention to obtain the relative score of each stained standard cell mass and stained tissue slice, and calibrates the expression result of the target protein in the stained tissue slice based on the relative score of each stained standard cell mass. The calibration method of the present invention can enable the same tissue to be tested to obtain accurate pathological scores on different detection platforms.

The invention relates to the technical field of resource recycling of photovoltaic wastes, in particular to a chloride ion detection electrode based on waste photovoltaic cells, a preparation method of the chloride ion detection electrode and a chloride ion detection method. A silicon wafer is obtained from a waste photovoltaic cell, and the surface structure of the silicon wafer comprises a silver electrode and an aluminum back surface field; crushing the silicon wafer, sieving, reacting with a nitric acid solution, centrifuging the reacted system for multiple times, collecting upper-layer filtrate, and merging to obtain first filtrate; adjusting the pH value of the first filtrate with inorganic base, centrifuging for multiple times, collecting upper-layer filtrate, and merging to obtain second filtrate; the second filtrate is used as an electrolyte of an electrochemical three-electrode system to carry out first electrodeposition on a working electrode in the electrochemical three-electrode system, then the working electrode is immersed into a hydrochloric acid electrolyte to carry out second electrodeposition, after activation, the chloride ion detection electrode is prepared based on the waste photovoltaic cell, and the surface of the electrode is provided with an aluminum-doped silver chloride deposition layer; and then a dual-electrode system is adopted for chloride ion concentration detection, and good linear response is achieved.

The embodiment of the present application relates to the technical field of cell chip, and discloses a single cell antibody chip, which is characterized by comprising: a chip substrate, wherein a biological recognition area and a physical function area are arranged on the chip substrate; a first group of core points is arranged in the biological recognition area, the first group of core points comprises a plurality of biological recognition core points, each biological recognition core point is pre-coated with different markers for capturing and detecting a to-be-detected substance; a second group of core points is arranged in the physical function area, the second group of core points comprises a plurality of physical function core points, the physical function core points comprise first positioning core points and second positioning core points, and the display states of the first positioning core points and the second positioning core points are different. In the embodiment of the present application, the single cell antibody chip can capture and label single cells, and the chip substrate can be directionally identified by using the positioning core points, and the imaging result can be uniformly processed by using the quantitative core point array, so that the expression level of the protein can be better quantitatively detected.