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Automatic Optical Measurement System
Automatic Optical Measurement System
Kyoritsu Test System, Japan, the leading PCBA (ICT + Function) test technology company, has recently launched Automatic Optical Measurement System (AOM), Model Focus 5000GX, which uses the metrology approach to measure the component position and evaluate the solder rather than comparing the inspected image with Golden sample based on pattern matching technology. AOM’s multiple image analysis method (MultiMetric™) allows high quality image analysis and high productivity by following IPC-A-610D standards. Some distinct advantages of AOM over AOI are as follows: represents an object as geometric shape; image is not tied to a pixel grid; independent of shading and non linear lighting; tolerates and measures variations in angle and size; improves accuracy by up to 10x over grid matching and maintains that accuracy despite changes in the run time image; provides defect and positional data for Statistical Process Control (SPC); is able to use synthetic models for the component library; and transportability of the synthetic images and the library.