Semiconductor memory device

Details Semiconductor memory device Semiconductor memory device

1986-11-17

1988-02-23

Grimley, Arthur T.

Electricity: conductors and insulators

Boxes and housings

Hermetic sealed envelope type

357 84, 361220, 428344, 4284735, H01L 2306

Patent

active

047272210

ABSTRACT:
An UV-EPROM has a window for transmitting ultra-violet rays during the erasing operation, which is covered by a shading sheet including a metallic film, a polyimide film laminated on the upper surface of the metallic film, and a bond film attached to the lower surface of the metallic film.

REFERENCES:
patent: 4008945 (1977-02-01), Scherer
patent: 4326214 (1982-04-01), Trueblood

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