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US4772936A Pretestable double-sided tab design 失效
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Pretestable double-sided tab design
摘要:
In a packaged electronic circuit, the circuit or circuits is soldered to a flexible tape, then tested and, any defective elements replaced. The tape is then soldered to a package. Different tapes may be used to change the pin-out of a chip; or to accomodate two sets of chips having different contact arrays.
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