Method for making matrix lead frame

Details Method for making matrix lead frame Method for making matrix lead frame

1988-04-15

1989-12-19

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Electrical device making

357 70, 361421, H01R 4300

Patent

active

048873527

ABSTRACT:
A system of a plurality of lead frame matrices of standard width to obviate readjustment of matrix handling means of integrated circuit device assembly machinery. A standard width for each lead frame matrix is achieved by incorporating spacing elements into the construction of the lead frame matrices as is necessary to add to the width of the lead frame matrix to bring it up to standard width. The width of a lead frame matrix includes the lead frames along the width, the spacing elements and matrix guide bars.

REFERENCES:
patent: 4177519 (1979-12-01), Kasubuchi et al.
patent: 4259436 (1981-03-01), Tabuchi et al.
patent: 4600971 (1986-07-01), Rose et al.

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