11 results about "Package sample" patented technology

The present application relates to the technical field of package quality detection, and particularly relates to a paste package detection system, which comprises: a conveying module, used for conveying paste package samples to be detected; a detection module, connected with the conveying module, used for determining a detection mode according to paste viscosity and detecting the samples to be detected, wherein the detection mode comprises a first detection mode and a second detection mode; a data analysis module, connected with the detection module, used for determining a fluctuation abnormal characteristic value according to data of the first detection mode obtained by the detection module, determining the qualification of package sealing according to the fluctuation abnormal characteristic value, and determining the qualification of package sealing according to a deformation recovery index determined according to the second detection mode; and a sorting module, connected with the data analysis module, used for sorting unqualified samples according to a determination result of the data analysis module. The present application improves the efficiency and accuracy of paste package quality detection.

The invention discloses a multi-stress coupling screening method and system for a silicon carbide device, and relates to the technical field of semiconductor devices, and the method comprises the following specific steps: S10, carrying out the pretest of a packaged sample device, and obtaining an expected value and an expected ratio of main electrical parameters of the device; s20, testing the limiting temperature of the to-be-tested device to obtain key electrical parameters of the to-be-tested packaging device at the limiting temperature; s30, testing the to-be-tested device at normal temperature to obtain key electrical parameters of the packaged device at normal temperature; and S40, carrying out data comparison and abnormity judgment on the to-be-detected device. According to the method, the multi-stress coupling screening method and system have defect coverage comprehensiveness, defects of gate oxide, packaging, channels and the like are captured at the same time, and a blind area of traditional single stress screening is avoided; through multi-stress coupling and double-stage testing, high-precision screening is realized in a relatively short time; the scheme frame can be adapted to all packaging forms of the silicon carbide power device at the current stage and the silicon carbide power devices with various voltage and current grade specifications.

A computer-implemented method (300) for generating a sampling signal comprising a sampling position (106a-c) and a sampling time point for collection of package samples for quality assessment in a system (100) comprising a food processing line (236) and a packaging line (238) is disclosed. The food processing line (236) is arranged to process a food product and the packaging line (238) is arranged to produce packages filled with the food product. The method (300) comprising obtaining (302) a sampling plan dependent on a trigger event, wherein the trigger event is associated with a production event associated with an equipment switch, a food product batch switch, a packaging material batch switch, an equipment settings switch and / or an equipment state change, obtaining (303) the trigger event, determining (304), based on the sampling plan and the trigger event, the sampling time point and the sampling position (106a-c) in the packaging line (238), and transferring (306) the sampling signal to a sample collector (212a,b) in the sampling position (106b) downstream a filling machine (102) in the packaging line (238).

This application discloses a method, apparatus, device, medium, and product for identifying a target application. The method involves acquiring network traffic data of the application and extracting stable features, which are inherent characteristics of the application based on its development framework. The stable features of the application are then identified according to a pre-set stable feature library, generating an identification result. The stable feature library includes stable features of multiple fraudulent application installation package samples and tags for each sample; the stable features differ between different fraudulent application installation packages. If the stable features of the identified application match the stable features of any fraudulent application installation package sample, the application is identified as a target application. Finally, the target application is blocked based on the volatile features corresponding to the tags in the network traffic data; different tags correspond to different volatile features.

The application provides a positioning mark structure for wafer testing, an exposure area and a wafer. The positioning mark structure for wafer testing is located in a test structure of an exposure area on a wafer, and comprises a plurality of positioning mark units. Each positioning mark unit is arranged between two pads, and comprises a fuse device, a diode and a resistor in series. Before cutting and packaging the exposure area, a preset voltage is loaded to each positioning mark unit to mark the state of the positioning mark unit. The state combination of the positioning mark units constitutes mark information of the positioning mark structure, so as to represent the position of the test structure on the wafer. The mark and identification process using the positioning mark structure is simple. In the reliability test, the position identification information of the packaged sample can be quickly and conveniently known by acquiring the mark information, the accuracy is high, the traceability is good, manual marking is not needed, human errors are avoided, the numbering information is not lost due to abrasion or wiping, and the accuracy and efficiency of the test are improved.

The invention relates to the technical field of package quality detection, in particular to a pasty fluid package detection system which comprises a conveying module used for conveying a pasty fluid package sample to be detected; the detection module is connected with the conveying module and is used for determining a detection mode according to the viscosity of the paste and detecting the sample to be detected, and the detection mode comprises a first detection mode and a second detection mode; the data analysis module is connected with the detection module, and is used for determining a fluctuation abnormal characteristic value according to the data of the first detection mode obtained by the detection module, judging the qualification of the package sealing according to the fluctuation abnormal characteristic value, and judging the qualification of the package sealing according to the deformation recovery index determined by the second detection mode; and the sorting module is connected with the data analysis module and is used for sorting unqualified samples according to a judgment result of the data analysis module. According to the invention, the efficiency and accuracy of paste packaging quality detection are improved.

The present invention relates to a method and an X-ray diffraction apparatus for angular dispersion X-ray diffraction analysis of an analyte (sample) ("encapsulated sample") confined in a package. In one embodiment, a method includes arranging a first primary X-ray optic between an X-ray source and an encapsulated sample to focus X-rays from the X-ray source into a focused X-ray beam of converged or parallel X-rays and direct the focused X-ray beam toward the encapsulated sample; and arranging a first secondary X-ray optic between the encapsulated sample and the X-ray detector. The encapsulated sample is irradiated with a focused X-ray beam of converged or parallel X-ray beams by an X-ray source, the X-rays having an energy greater than about 9 keV while the analyte is confined in the package. The first secondary X-ray optic is configured such that a first portion of the diffracted X-rays passes therethrough to be detected by the X-ray detector and a second portion of the diffracted X-rays is prevented from being detected by the X-ray detector, with the first portion of the diffracted X-rays coming from an area within the package.

The application discloses a sample wrapping and shrinking device which is used for wrapping a tin foil cup around a sample and comprises a support, a plurality of pressing blocks, wherein the number of the pressing blocks is six, one end of the six pressing blocks is arranged on an end surface of a through hole in a circumferential angle and is rotatably arranged, a first driving plate is arranged on a top surface of the pressing blocks, is rotatably arranged on the end surface, and is provided with a first strip-shaped protrusion which extends along an outer circumferential direction, a second driving plate is arranged on a bottom surface of the pressing blocks, is rotatably arranged on the end surface, and is provided with a second strip-shaped protrusion which extends along the outer circumferential direction, the first strip-shaped protrusion and the second strip-shaped protrusion are aligned in a vertical direction and are used for driving the pressing blocks to move towards a center of a circle or a circumferential direction, a first limiting plate is arranged on a top surface of the first driving plate, and a second limiting plate is arranged on a bottom surface of the second driving plate. The sample wrapping and shrinking device has the advantages of simple structure, easy production and processing, smooth sample wrapping process, reduced possibility of tin foil damage, good process performance and economy.

The utility model discloses a vacuum packaging drying box, which belongs to the technical field of vacuum packaging drying and comprises a cooling chamber and drying chambers symmetrically arranged on two sides of the cooling chamber, material moving components are arranged in the drying chambers and the cooling chamber, a cooling table and a packaging bottom cover arranged on the cooling table are arranged in the cooling chamber, and the packaging bottom cover is arranged on the cooling table. A lifting device is arranged at the top of the cooling chamber, and a packaging tank body corresponding to the packaging bottom cover is arranged at the telescopic end of the lifting device. According to the scheme, the drying chamber can rapidly heat and dry a sample, the cooling chamber can cool the dried sample, the vacuum drying chambers are arranged on the left side and the right side, and the vacuum cooling chamber is arranged in the middle, so that the drying and cooling processes can be continuously carried out, and the overall working efficiency is improved; meanwhile, the sample can be packaged in the packaging tank body and the packaging bottom cover, vacuum packaging is achieved, the sample can be stored in a vacuum environment for a long time, pollution is avoided, and carrying is convenient.

The invention provides a health care product package integrity detection method based on cooperative efficiency and intelligent detection. The method comprises the following steps: S1, detecting time-space synchronization and hardware module calibration of a system; s2, collecting whole-domain space-time synchronous data of health care product packaging; s3, packaging sample feature preliminary screening and suspected sample extraction; s4, performing spatial visual three-dimensional point cloud accurate reconstruction on the suspected sample; s5, carrying out fusion mapping on the multi-modal sensor data and the three-dimensional point cloud model; s6, defect feature accurate identification and feature gradient feedback; s7, defect grade judgment and full-dimension cross check are carried out; s8, performing incremental training and full-process algorithm optimization on the detection model; and S9, carrying out production line cooperative execution and full-process feedback of a detection result. Through multi-algorithm two-way closed-loop fusion and full-process cooperation, the accuracy and reliability of package defect identification are improved, the real-time detection requirements of an industrial production line are met, meanwhile, full tracing of detection data and continuous optimization of detection performance are achieved, and the health care product package quality is guaranteed.