Method for fabricating inner leads of a fine pitch leadframe

Details Method for fabricating inner leads of a fine pitch leadframe Method for fabricating inner leads of a fine pitch leadframe

1998-05-12

1999-12-28

Arbes, Carl J.

Metal working

Method of mechanical manufacture

Electrical device making

29830, 29852, H01R 4300

Patent

active

060064242

ABSTRACT:
A method of fabricating the inner leads of a fine pitch leadframe having a small interval between leads. The inner leads of the fine pitch leadframe are fabricated by combining a new stamping tool for fabricating extended fine pitch portions of inner leads with an existing stamping tool for fabricating the inner leads of a leadframe. This method obviates the time and expense of manufacturing an entirely new stamping tool.

REFERENCES:
patent: 5327008 (1994-07-01), Djennas et al.
patent: 5394607 (1995-03-01), Chiu et al.
patent: 5406700 (1995-04-01), Ito
patent: 5429992 (1995-07-01), Abbott et al.
patent: 5454905 (1995-10-01), Fogelson

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