Abstract
It is necessary to count number of qualified modules in IC packaging industry. Now popular method is manually done, which is not only inaccurate but also damage for modules. A set of counting device for contact IC module is developed here, in which optical fiber sensor technology is used. The sensor signals are sent to PLC, the number of qualified modules is obtained by logical relation. The operation of the device and the display of results are implemented by the human machine interface. The device has the advantages of simple structure and convenient operation. The device also can ensure reliability and precision during high speed transportation of the IC module tape. At the same time, there are no negative effect on the appearance and performance of contact IC modules.
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