Lead frame

Details Lead frame Lead frame

1987-12-02

1989-09-26

Hille, Rolf

357 68, H01L 2312, H01L 2354, H01L 2310

Patent

active

048704741

ABSTRACT:
A lead frame composed of an outer frame and inner lead frame portions formed as an integral frame wherein each lead frame portion directly joins the outer frame at some of the four corners of the lead frame portion with circuitous bridges interposed for fixation of the lead frame portion to the outer frame at each of the other corners.

REFERENCES:
patent: 3902148 (1975-08-01), Drees et al.
patent: 4109096 (1978-08-01), Dehaine
patent: 4380042 (1983-04-01), Angelucci, Sr. et al.
patent: 4400714 (1983-08-01), Brown
patent: 4496965 (1985-01-01), Orcutt et al.
patent: 4721993 (1988-01-01), Walter

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