Lead frame for semiconductor device

Details Lead frame for semiconductor device Lead frame for semiconductor device

1996-01-11

1998-08-11

Ostrowski, David

Active solid-state devices (e.g., transistors, solid-state diode

Lead frame

With stress relief

257670, 257674, H01L 23495

Patent

active

057931003

ABSTRACT:
A lead frame includes first slits in a lead frame edge in a direction parallel to a longitudinal direction of the lead frame edge at spaced intervals and a plurality of slits in the lead frame edge in a direction parallel to the first slits at spaced intervals so that the second slits are separated from the first slits wherein each end of each of the second slits is located near the center of a corresponding first slit.

REFERENCES:
patent: 4400714 (1983-08-01), Brown
patent: 4625227 (1986-11-01), Hara et al.
patent: 4721993 (1988-01-01), Walter
patent: 4797726 (1989-01-01), Manabe
patent: 4918511 (1990-04-01), Brown
patent: 5023699 (1991-06-01), Hara et al.
patent: 5338972 (1994-08-01), Negoro

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