Plastic encapsulated semiconductor device

Details Plastic encapsulated semiconductor device Plastic encapsulated semiconductor device

1991-11-26

1993-10-26

LaRoche, Eugene R.

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

Encapsulated

257783, 257782, 257676, H01L 2330

Patent

active

052569039

ABSTRACT:
A plastic encapsulated semiconductor device containing one or more of insulating films. Uneven surfaces, such as recesses and roughened surfaces, are strategically provided on peripheral side (edge) surfaces of the insulating films. As a result, therefore, an interface separation does not easily occur between the side surfaces of the insulating films and the encapsulating resin. If such an interface separation should occur, it cannot develop easily. Thus, it is possible to obtain a plastic encapsulated semiconductor device of a high level of reliability even when the largest possible semiconductor element is mounted therein within limited outside dimensions.

REFERENCES:
patent: 4514750 (1985-04-01), Adams
patent: 4796078 (1989-01-01), Phelps, Jr. et al.

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