Lead frame

Details Lead frame Lead frame

1996-09-05

1999-02-16

Thomas, Tom

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

Lead frame

257670, 257671, H01L 23495

Patent

active

058723943

ABSTRACT:
In a lead frame, L-shaped support tapes are applied to inner leads and suspension leads. Ends of the support tapes are overlapped with each other at the suspension leads to form, together, a rectangular ring shape. Since the support tapes are L-shaped, when the overlapped portions are positioned at the suspension leads, there are only two overlapped portions of the support tapes at the suspension leads. Thus, the number of overlapped portions requiring accurate alignment is reduced. Moreover, the L-shaped support tapes can be cut from the material for the support tape with higher efficiency.

REFERENCES:
patent: 4597816 (1986-07-01), Barnhart
patent: 5294827 (1994-03-01), McShane
patent: 5336927 (1994-08-01), Suetake

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