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Visual Inspection is an essential part in the quality control in electronic manufacturing industry, especially in PCB assembly processes. With the advance of surface mount technology as a means to increase automation level in electronic assembly line, with production volume achieving thousands of board per day, manual visual inspection becomes increasingly prohitive. For this purpose, Automatic Optical...
In this work, a laboratory-scale electrical impedance tomography imaging System was designed and implemented. These instrument consists of an imaging phantom with 16 electrodes, a precision electric current source, a data acquisition and switch-matrix module, and EIDORS®, an open-source image reconstruction software. The data acquisition and the switching matrix are implemented using STM-32F4 microntroller-board...
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