37results about How to "Guaranteed location consistency" patented technology

The invention discloses a method for confirming position alignment in wafer test, comprising the following steps: (1) the position of an address Z in a chip memory area is specified as the position of storage mapping address, wherein a chip contains a chip status flag; (2) in the first test process, a tester reads information of a chip position A on a wafer from a prober system, and corresponding mapping relations are written into corresponding chips on the wafer through the tester; (3) in the second and subsequent process test, the chip position A read from the prober system is compared with a position A' read from a target chip, alarming is carried out through the tester if the two positions are not the same, and subsequent test continues if the two positions are consistent. Position alignment offset in multi-process test is avoided, the wafer test time is saved, and the quality of wafer test is guaranteed to the maximum.

The invention discloses a wafer processing method and a wafer processing device.According to the wafer processing method, cleaning and UV dispergation are carried out on a wafer after girdling, the influence of cutting chippings and a glue layer on the surface of a thin film on subsequent ring taking can be effectively avoided, ring taking can be guaranteed, and before each action of girdling, UV dispergation and ring taking, ring taking can be carried out in a one-to-one manner; according to the technical scheme, the wafer is positioned through a set of centering mechanism, the position precision and consistency of the wafer at the positions of ring cutting, UV dispergation and ring taking can be effectively ensured, the ring cutting precision and the stable implementation of ring taking can be ensured, and the whole process of feeding, ring cutting, cleaning, UV dispergation, ring taking and discharging can be automatically realized through a set of automatic equipment, so that the production efficiency is improved, and the production cost is reduced. The automation degree is high, manual intervention is not needed, and continuous and efficient machining can be achieved.

The invention relates to a magnet and motor integrated module of a middle-low speed maglev train. The magnet and motor integrated module comprises a linear motor assembly, a suspension magnet assembly, a motor longitudinal beam and a pair of supporting arms which are integrated into a whole module, wherein the pair of supporting arms are each in an inverted-L shape. The motor longitudinal beam isconnected with the pair of supporting arms along the two ends of a longitudinal beam body of the motor longitudinal beam to form a supporting structure. The linear motor assembly is hung and mounted at the tops of the supporting arms. The bottoms of the supporting arms and the suspension magnet assembly are mounted in a matched mode. Compared with the prior art, the magnet and motor integrated module is advantageous in that the linear motor assembly and the suspension magnet assembly are integrated through the supporting arms and the motor longitudinal beam, the enough position dimension accuracy is ensured through positioning datum and the fine-adjusting function among all parts, in addition, the integrated whole module participates in overall integration and overhaul of a vehicle, the integration and overhaul process of the vehicle is simplified, the assembly quality is ensured, a basic guarantee is provided to commissioning and operation control of the vehicle, and great convenienceis also brought for vehicle maintenance and overhaul.

The invention discloses a material transfer system. The material transfer system comprises a first conveying device and a second conveying device which are arranged in a spaced mode, and further comprises a grabbing and releasing device used for transferring products from the first conveying device onto the second conveying device. The grabbing and releasing device comprises a rotating device anda lifting device. The rotating device comprises a first driving device. A rotary shaft of the first driving device is fixedly connected with a fixed plate. The fixed plate is provided with a pluralityof suction cup assemblies used for grabbing and releasing the products. The material transfer system provided by the invention can stably and effectively transfer the products from the first conveying device onto the second conveying device through the set steps and facilitates achievement of mechanized production of the products.

A manufacturing method of a high-precision tension cable net unit of a mesh antenna comprises the following steps that firstly, a moving datum (4) on a linear displacement executing mechanism (2) is adjusted to be zero, and the distance between a fixed datum (3) and the moving datum (4) is calibrated through a theodolite test system; secondly, one end of a tension cable is manufactured to be a first fixed ring, and the fixed datum (3) is sleeved with the first fixed ring; thirdly, after the other end of the tension cable is used as a free end and folded in two, the part, folded in two, of thetension cable is sleeved with a compression connection terminal, and a moving ring is manufactured; fourthly, the moving datum (4) obtained in the first step is sleeved with the moving ring obtained in the third step, the free end of the tension cable is wound around a pretension loading device (6), and then tension is applied; fifthly, the linear displacement executing mechanism (2) is controlledto move, after the linear displacement executing mechanism (2) drives the moving datum (4) to move to a preset position, the compression connection terminal in the third step is tightly pressed, anda second fixed ring is manufactured.

The invention relates to a coal mine U-shaped steel support stress-bearing monitoring and early warning device. The coal mine U-shaped steel support stress-bearing monitoring and early warning device comprises a connecting device and a monitoring device, the connecting device comprises a base, Z-shaped foot pressing sheets and magnets, support feet of a U-shaped steel support is installed on the base through the Z-shaped foot pressing sheets and attracted to the magnets arranged in the base; the monitoring device comprises a pressure sensor, a processor and an audible and visual warner, one side of the pressure sensor is arranged in the base in an embedded mode, and the pressure sensor is electrically connected with the processor; and the audible and visual warner is connected with the processor and sends out warning signals. According to the coal mine U-shaped steel support stress-bearing monitoring and early warning device, the magnets are adopted to be fixed with the U-shaped steel support, so that the situation that the position changes in the installation process is avoided; the foot pressing sheets are utilized to limit the U-shaped steel support, so that the situation that the monitoring device and the steel support slide relatively in the stress bearing process of the steel support is prevented; the pressure sensor is externally connected to the processor and comparing with prewarning value is conducted, so that the warning signals are sent out timely; and bases are provided for reinforced supporting, and roadway accidents are effectively prevented from happening.

The invention relates to a processing technology of plate pressing sectional materials, in particular to a high-strength plate rolling and a on-line cutting method. According to the technology, the method includes the steps of decoiling coil stock, flattening the coil stock, roll forming, straightening sectional materials and cutting on-line. The method is characterized in that a step of automatic punching is added between the step of flattening the coil stock and the step of roll forming, the step of automatic punching is used for punching a row of holes in boards, when the rolling formed sectional materials are cut in the punching location, cutting force bearing points can be reduced by more than one thirds, the cutting stress is reduced, and the cutting deformation is reduced. The method mainly solves the technical problem that in the prior art fracture is prone to occur during cutting on-line and the cutting deformation of the rolling sectional materials is large, previous parking cutting of the plate rolling with high strength being changed into on-line synchronous cutting can be achieved, and the production efficiency of production lines can be improved. In addition, by means of positioning cutting, the consistency of on-line punching locations is guaranteed, the production efficiency and the use ratio of the plate rolling with high strength are effectively improved.

The invention relates to an automatic tension correction system for a flexible material in a supply process and a correction method thereof. The automatic tension correction system for the flexible material in the supply process is an automatic tension correction system arranged in a KN95 mask machine and comprises a front tensioning mechanism driving system connected with a front tensioning mechanism and used for driving the tensioning force of the front tensioning mechanism, a rear tensioning mechanism driving system connected with a rear tensioning mechanism and used for driving the tensioning force of the rear tensioning mechanism, an image acquisition system which is arranged between a seal printing mechanism and the rear tensioning mechanism, and an upper computer which is arranged on one side and connected with the image acquisition system, the front tensioning mechanism driving system and the rear tensioning mechanism driving system through wires. The upper computer receives images collected by the image acquisition system and controls the front tensioning mechanism driving system and the rear tensioning mechanism driving system to drive the tensioning force of the corresponding front tensioning mechanism and the tensioning force of the corresponding rear tensioning mechanism according to the mask cloth tightness degree reflected by the images. According to the automatic tension correction system for the flexible material in the supply process, the manual maintenance frequency is reduced, and the labor intensity is reduced.

The invention discloses an active capacitance pen. The active capacitance pen comprises a pen body, wherein a refill lower cover is placed on an inner wall of the pen body; a refill upper cover is placed on the inner wall of the pen body; one side of the refill lower cover is matched with one side of the refill upper cover; the inner wall of the pen body is matched with an outer wall of the refill upper cover; an outer wall of the refill lower cover is matched with the inner wall of the pen body; one end of the pen body is connected with a pen point in a threaded and sleeved mode; one end of the pen body is provided with a threaded groove; one end of the pen point is fixedly connected with a threaded rod; and an inner wall of the threaded groove is matched with an outer wall of the threaded rod. According to the invention, by inserting a pen tail cap into one end of the pen body, an upper clamping block is clamped into an inner wall of an upper clamping groove, and a lower clamping block is clamped into an inner wall of a lower clamping groove, so that the pen tail cap is assembled; the pen body passes through the pen tail cap, so that the refill upper cover and the refill lower cover are installed and fixed; and assembling is convenient, and the assembling efficiency is effectively improved.

The invention discloses a deformable convolution method and device and a storage medium. The deformable convolution method comprises the following steps of 1, performing conventional convolution on an input feature map to obtain offset vectors of multiple groups of sampling point coordinates; 2, extracting the features of the shifted sampling points from the input feature map for the coordinates of each group of sampling points, and performing weighted summation by using a convolution kernel to obtain the output features of each group; and step 3, averaging the convolution output features of each group to obtain a final output feature. According to the method, through multiple groups of sampling points, the expression capability of deformable convolution is enhanced, the position consistency of channels of convolution input features is ensured, and experiments on a target detection data set COCO prove that the target detection performance is effectively improved.

The invention designs a quick-assembly zero-point positioning device and method for automatic assembly of an optical element for quick tray assembly, zero-point positioning and pickup on-line of the optical element in an automatic optical machine assembly and adjustment process. The technical problems that according to a traditional automatic optical element assembling method, light path shielding is likely to be caused, the high-precision assembling requirement cannot be met, and quality safety risks exist are solved. According to the invention, fast-assembly zero-point positioning in the automatic assembly process of the optical element can be realized without light blocking, with high precision, high consistency, high stability and high safety; the optical elements can be quickly and nondestructively inserted and locked by the part disc, and the position precision of the optical elements on the part disc is ensured; the part disc positioning and opening assembly ensures the consistency of the placement positions of the part discs each time and loosens locking pieces on the part discs; the clamping assembly is used for clamping the part disc and stably clamping the optical element without light blocking.