30results about How to "Improve crawl rate" patented technology

The invention discloses a license plate tracking recognition method based on event triggering. The method comprises the following steps of performing vehicle detection and license plate extraction ona trigger frame at the trigger moment to obtain vehicle coordinates or a license plate area, and performing target vehicle judgment; and starting video stream tracking under the condition that whetherthe license plate quality evaluation of the target vehicle exceeds a specified threshold, performing license plate region judgment on a target vehicle region in the tracked video stream, and finallyobtaining a finally identified license plate through identification voting. According to the invention, bidirectional simultaneous frame-by-frame decoding and vehicle license plate tracking identification are carried out by taking the trigger frame as a reference in the video stream, so that the length of the intercepted video stream is effectively reduced and the tracking identification efficiency is improved; according to the tracked license plate, the confidence degree and the voting mechanism are integrated, and the situation that the single-frame license plate is poor in quality in some scenes is avoided.

The invention discloses a detection method for under-etching of through holes. The method comprises the following steps: a plurality of test modules are built on the substrate of a semiconductor, each test module simulates an SRAM device structure and comprises two simulation transmission gate transistors, two simulation pull-up transistors and two simulation pull-down transistors; the simulation transmission gate transistors, the simulation pull-up transistors and the simulation pull-down transistors are NMOS devices in a P trap, and a grid electrode is not formed in the active area of each simulation transmission gate transistor; a plurality of contact holes filled with metal are formed in each test module; the contact holes are connected with the position, corresponding to the grid electrode, of the active area of each simulation transmission gate transistor at least; metal interconnecting wires and conductive through holes are formed in the contact holes; test modules are scanned under the positive potential condition by an electron beam defect scanner, and the defect of under-etching of through holes of the test modules is detected according to image characteristic patterns obtained through scanning. The method provided by the invention can increase the capturing rate of the defect of under-etching.

The invention discloses a traction drive type mulching film recycling machine. The traction drive type mulching film recycling machine comprises a machine frame and a film grabbing mechanism. The machine frame is provided with a car floor beam, a car top beam and a traction end connector. A film grabbing roller is arranged on the car floor beam through a bearing, a film connecting roller is installed on the car top beam through a bearing, film grabbing teeth are arranged on the outer surface of the film grabbing roller, film connecting teeth are arranged on the film connecting roller, and the film connecting teeth and the film connecting teeth are arranged in a straggled mode. A rotary shaft of a land wheel is provided with a first driving wheel and a second driving wheel which drive the film grabbing roller and the film connecting roller to rotate respectively. The number of the film grabbing times is increased, and the mulching film recycling machine is used for improving the film grabbing rate. A speed difference exists between the film grabbing roller and the film connecting roller, so that multiple coincidence chances exist between the film grabbing teeth and the film connecting teeth, and the film connecting success rate is increased. Upward oblique or bent film connecting transition plate avoiding grooves can go deep between the film connecting teeth, and film residues between the film connecting teeth are shoveled out and then slide down to a film discharging channel.

The invention discloses a vertical chip capacitor and a manufacturing process thereof, and belongs to the technical field of microelectronics. The capacitor comprises a capacitor substrate, the capacitor substrate comprises an upper end face and a lower end face, inner electrodes are arranged on the inner side of the upper end face and the lower end face, the inner electrodes comprise upper electrodes and lower electrodes, the upper electrodes and the lower electrodes are vertically arranged in a scattered mode, one ends of the upper electrodes are connected with the upper end face, the otherends of the upper electrodes are not in contact with the lower end face, the lower electrodes are connected with the lower end face, and the other ends of the lower electrodes are not in contact withthe upper end face; metal layers are arranged on the outer sides of the upper end face and the lower end face to form external terminal electrodes, and the terminal electrodes are parallel to an installation surface and are connected with the inner electrodes. According to the capacitor, an inner structure of the capacitor is improved to solve the capacitor application problem in a thinned and small-sized sealing member, and the capacitor is vertically arranged, so that sacrifice does not needed on a framework to ensure completeness of the framework, and meanwhile the purposes of changing capacitor shape and electrode direction are achieved by changing a printing technology, a cutting method and a coating technology of the electrodes.

The invention discloses an automobile cylinder cover feeding and discharging device and belongs to the field of machine manufacturing. The automobile cylinder cover feeding and discharging device comprises a mounting frame, a rodless air cylinder, a connecting rod and a conveying gripper, wherein the conveying gripper comprises a push rod and a discharging rod, the discharging rod is arranged at the top of a mounting plate, and the push rod is arranged under the mounting plate. The automobile cylinder cover feeding and discharging device can be matched with an assembly line to achieve automatic feeding and discharging, save manual operation and achieve high safety.

A control sheet is manufactured by forming a patterned first dielectric layer on an upper surface of a substrate and a second dielectric layer that fills grooves of at least the patterned first dielectric layer, and a method of manufacturing the control sheet and a method of monitoring chemical-mechanical polishing defects. The control sheet is placed on a chemical mechanical grinding machine andground for treatment to remove the first dielectric layer; Then, the surface of the treated control sheet is scanned to obtain defects of the upper surface of the control sheet to achieve monitoring of the chemical mechanical grinding defects. The control sheet provided by the invention improves the comparison degree between the defects on the surface of the control sheet and the background, further improves the grasping rate of the defects caused by the chemical mechanical polishing by the optical scanner table, and realizes the effective monitoring of the chemical mechanical polishing defects.

The invention discloses a two-piece synchronous rectification diode, which comprises a first frame, a MOSFET chip, a control IC chip, a second frame, and a built-in capacitor. The second frame has two external pins, and the control IC chip is fixed on the second On the frame, the external terminal of the built-in capacitor is connected to the second frame; the first frame is provided with an external pin, and the MOSFET chip is fixed on the first frame; between the MOSFET chip and the control IC chip, between the control IC chip and the built-in Connections between internal terminals of the capacitor, between the MOSFET chip and the second frame, and between the control IC chip and the first frame are connected by bonding wires. The two-piece synchronous rectification diode optimizes the structure, integrates the available area of ​​the PAD, and eliminates structural defects that may cause defects.

A full-flexible bionic pneumatic manipulator based on a bionic branch structure comprises a pneumatic driving unit and manipulator units controlled independently, each manipulator unit comprises a shell with the overall shape of a bionic branch structure, and at least one surface of the shell in the length direction is of a zigzag structure; the inner part of the shell is provided with a cavity with a consistent shape, a strain limiting layer is also laminated on the surface of the shell at a position opposite to the zigzag structure, the shell and the strain limiting layer are both made of flexible materials, and the strain limiting layer is made of flexible materials of which the Young modulus is greater than that of the cavity; the shell and the cavity of the bionic branch structure are each composed of a first-stage main branch part and a plurality of stages of branch parts, the number of branches of the multiple stages of branch parts is gradually increased according to a preset rule, and the cavity of the branch of each branch part is connected with the pneumatic driving unit and is independent of the pneumatic driving unit. According to the robot, more types of objects can be stably, nondestructively and flexibly grabbed, the response time is shorter, the deformation process is faster, and the grabbing speed is higher.

The invention provides a method for improving a capture rate of under-etching defects. The method includes scanning a comparison copper connecting hole of a wafer, a connecting hole edge and the pixel size and a gray scale of a background, and determining a background region, a comparison copper connecting hole region and a connecting hole edge region; scanning a gray scale of an under-etching copper connecting hole of the wafer; and comparing the difference between the gray scale of the comparison copper connecting hole region and the gray scale of the under-etching copper connecting hole. According to the method, the capture rate of under-etching defects can be improved effectively in the production process so as to provide a basis for monitoring of the etching process, when batch experiments are needed to optimize the process, the technical support is provided for improvement measures, and guarantee is provided for shorting of the research and development cycle of products.

The invention discloses a method for detecting etching insufficiency of through holes. The method comprises the steps that a plurality of test modules are built on a semiconductor substrate, each test module simulates an SRAM device structure and comprises two simulation transmission gate transistors, two simulation pull-up transistors and two simulation pull-down transistors, the simulation transmission gate transistors, the simulation pull-up transistors and the simulation pull-down transistors are PMOS devices in an N well, and no grid electrode is formed on active areas of the simulation transmission gate transistors; a plurality of contacting holes are formed in each test module and filled with metal, and the contacting holes are at least connected with positions, corresponding to grid electrodes, in the active areas of the simulation transmission gate transistors; a metal interconnection line and a conduction through hole are formed on each contacting hole; the test modules are scanned through an electron beam defect scanner under a positive potential condition, and the etching insufficiency defects of the through holes of the test modules are detected according to the image feature pictures obtained through scanning. The method for detecting etching insufficiency of the through holes can effectively improve the capturing efficiency of the etching insufficiency defects.

The invention discloses a molding technology for crankshaft forged piece flanges capable of being accurately grabbed by a robot. The molding technology comprises the following steps: utilizing a CAE technology, stimulating and analyzing the shapes of pre-forged flanges and finish-forged flanges by using an FORGE software, determining the sizes of the flanges according to the shapes, designing the position of a flange positioning table, and finally molding the flanges. The technology has the advantages that the molding of the crankshaft forged piece flanges is stable, the accurate grabbing rate of the robot is high, fully-automatic forging is guaranteed, and the production profitability is substantially improved.

The invention discloses a method for detecting the under-etching and the deficiency defect of a through hole. The method comprises the following steps of implementing a structure that a PMOS (P-channel metal oxide semiconductor) device is arranged in an N well; growing metal silicide on a wafer according to a normal process manufacturing procedure, forming a barrier layer, and depositing a first dielectric layer and a second dielectric layer between metals; sequentially forming a hard mask, a silicon oxide and an antireflection layer on the second dielectric layer, and a hard mask etching photomask on the antireflection layer, wherein a through hole etching photomask is used as the hard mask etching photomask; completely etching the antireflection layer, the silicon oxide and the hard mask by utilizing the hard mask etching photomask, and partially etching the second dielectric layer; removing the hard mask etching photomask, and filling the antireflection layer, the silicon oxide, the hard mask and the second dielectric layer; performing etching by utilizing the through hole etching photomask until the first dielectric layer is partially etched, and removing the through hole etching photomask; removing the antireflection layer and a material, wherein the material is filled in the antireflection layer, and is the same as that of the antireflection layer; and performing etching until the barrier layer is etched through.

The embodiment of the invention provides a website link detection method and system. The website link detection method comprises the steps that an external website link published in a platform is obtained, and webpage content corresponding to the external website link is requested to be grabbed; the crawler control service searches for an available crawler program entity Agent and requests to capture webpage content corresponding to the foreign site link; the available crawler Agent camouflages the information of the browser and the IP address of the available crawler Agent; after all webpage contents corresponding to the external website link are captured, returning the webpage contents and screenshots of the webpage contents to the crawler control service; and the content detection stream node detects whether the foreign site link is a legal link or not according to the keyword of the webpage content in the html form and / or the screenshot of the webpage content displayed in the browser. The external station link can be detected in real time, and the capturing rate of the external station link is high, so that normal release of the legal external station link can be ensured, and the detection efficiency is high.

The embodiment of the present invention discloses an information processing method and server, including: adding the task information to be captured into the task pool; extracting the domain name information of the task information, generating a token according to the domain name information, and Add the token to the token pool; determine the capture rate corresponding to the domain name information according to the amount of task information that can be scheduled under the domain name information in the token pool; scan the token pool, according to the The capture rate determines the number of tokens corresponding to the domain name information, and when the number of tokens meets the preset conditions, sends the corresponding number of tokens to the scheduling queue; obtains tokens from the scheduling queue, according to the The domain name information corresponding to the token selects the first task information that meets the second preset condition in the task pool, and adds the first task information to the processing queue; extracts the first task information from the processing queue Task information, executing corresponding data capture according to the first task information.

The present application relates to network technology, in particular to a method and system for placing and adjusting page links, which are used to increase the crawling rate of new pages. The method is as follows: respectively cluster the guide page and the new page to form multiple page clusters, establish a mapping relationship between each page family based on content correlation, and ensure that the link of the new page is only placed in the mapped page cluster, In this way, the correlation between the new page and other delivery pages is effectively improved. After the search engine captures the delivery page, it is easy to further capture relevant new pages in the delivery page based on the content relevance, which can greatly improve Improve the crawling rate of new pages; at the same time, because there is content correlation between the new page and the delivery page, which is in line with the relevant rules of the search engine, the crawled weight of the new page will gradually accumulate, so that it can be retrieved in the shortest possible time. Introduce traffic from search engines within a short period of time.

The present invention provides a control chip, its manufacturing method and the monitoring method of chemical mechanical polishing defects, by forming a patterned first dielectric layer on the upper surface of the substrate, and at least filling the patterned first dielectric layer The second dielectric layer of the grooves to fabricate the control sheet. placing the control sheet on a chemical mechanical grinder and grinding it to remove the first medium layer; then, scanning the surface of the control sheet after the treatment to obtain the upper surface of the control sheet defects, so as to realize the monitoring of the chemical mechanical polishing defects. The control sheet provided by the present invention improves the contrast between the defects on the surface of the control sheet and the background, thereby improving the capture rate of the defects caused by chemical mechanical grinding by the optical scanning machine, and realizing the effective monitoring of the chemical mechanical grinding defects .

The invention discloses a traction drive type mulching film recycling machine. The traction drive type mulching film recycling machine comprises a machine frame and a film grabbing mechanism. The machine frame is provided with a car floor beam, a car top beam and a traction end connector. A film grabbing roller is arranged on the car floor beam through a bearing, a film connecting roller is installed on the car top beam through a bearing, film grabbing teeth are arranged on the outer surface of the film grabbing roller, film connecting teeth are arranged on the film connecting roller, and the film connecting teeth and the film connecting teeth are arranged in a straggled mode. A rotary shaft of a land wheel is provided with a first driving wheel and a second driving wheel which drive the film grabbing roller and the film connecting roller to rotate respectively. The number of the film grabbing times is increased, and the mulching film recycling machine is used for improving the film grabbing rate. A speed difference exists between the film grabbing roller and the film connecting roller, so that multiple coincidence chances exist between the film grabbing teeth and the film connecting teeth, and the film connecting success rate is increased. Upward oblique or bent film connecting transition plate avoiding grooves can go deep between the film connecting teeth, and film residues between the film connecting teeth are shoveled out and then slide down to a film discharging channel.

The invention discloses a detection method for under-etching of through holes. The method comprises the following steps: a plurality of test modules are built on the substrate of a semiconductor, each test module simulates an SRAM device structure and comprises two simulation transmission gate transistors, two simulation pull-up transistors and two simulation pull-down transistors; the simulation transmission gate transistors, the simulation pull-up transistors and the simulation pull-down transistors are NMOS devices in a P trap, and a grid electrode is not formed in the active area of each simulation transmission gate transistor; a plurality of contact holes filled with metal are formed in each test module; the contact holes are connected with the position, corresponding to the grid electrode, of the active area of each simulation transmission gate transistor at least; metal interconnecting wires and conductive through holes are formed in the contact holes; test modules are scanned under the positive potential condition by an electron beam defect scanner, and the defect of under-etching of through holes of the test modules is detected according to image characteristic patterns obtained through scanning. The method provided by the invention can increase the capturing rate of the defect of under-etching.

The invention discloses an automobile cylinder cover feeding and discharging device and belongs to the field of machine manufacturing. The automobile cylinder cover feeding and discharging device comprises a mounting frame, a rodless air cylinder, a connecting rod and a conveying gripper, wherein the conveying gripper comprises a push rod and a discharging rod, the discharging rod is arranged at the top of a mounting plate, and the push rod is arranged under the mounting plate. The automobile cylinder cover feeding and discharging device can be matched with an assembly line to achieve automatic feeding and discharging, save manual operation and achieve high safety.

The invention is suitable for the field of grabbing equipment, and provides four-axis platform visual guidance grabbing equipment which comprises an equipment rack and further comprises a belt conveying mechanism fixedly connected with a main body rack; the visual guiding mechanism is fixedly connected with the four-axis material taking mechanism, and the visual guiding mechanism carries out coordinate positioning and visual guiding on the product in a shooting mode; the four-axis material taking mechanism is fixedly connected with the main body rack, and the four-axis material taking mechanism can drive the product to move in the horizontal plane while sucking and positioning the product; the angle compensation mechanism is fixedly connected with the main body rack, and in the process that the four-axis material taking mechanism grabs the product, the angle compensation mechanism can photograph the product and transmit photographing coordinates to the four-axis material taking mechanism; according to the four-axis platform visual guidance grabbing equipment, the most advanced visual guidance scheme is adopted, the grabbing speed is high, and deviation is small.