Method of forming leads of a semiconductor device

Wireworking – Crimping

Reexamination Certificate

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Reexamination Certificate

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07077170

ABSTRACT:
In a lead forming apparatus for a semiconductor device, a holder holds a semiconductor device with leads to be formed, the semiconductor device having leads extending from a package. Two die assemblies (for bending, for cutting, or the like) are set in parallel, each including top and bottom dies matched with each other. A mover changes relative distance between the two die assemblies. The top and bottom dies in the two die assemblies are positioned so the leads of the semiconductor device held on the holder are between the dies.

REFERENCES:
patent: 3812703 (1974-05-01), Tepper
patent: 4644633 (1987-02-01), Jones et al.
patent: 5105857 (1992-04-01), Ellis
patent: 5158121 (1992-10-01), Ishii
patent: 5222528 (1993-06-01), Downing
patent: 5860455 (1999-01-01), Ishii
patent: 5950687 (1999-09-01), Manabe et al.
patent: 60-99033 (1985-07-01), None
patent: 6-47445 (1994-02-01), None
patent: 10-163396 (1998-06-01), None

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