Many time programmable memory card with ultraviolet erasable mem

Details Many time programmable memory card with ultraviolet erasable mem Many time programmable memory card with ultraviolet erasable mem

1994-03-15

1995-10-03

Popek, Joseph A.

Static information storage and retrieval

Hardware for storage elements

Shields

365 52, 365 94, 365218, 36518532, 257681, G11C 702

Patent

active

054557852

ABSTRACT:
A memory card includes a circuit board bearing UV-erasable memory circuits enclosed in an opaque cover. The cover is provided with openings over the memory circuits. These openings can be covered or uncovered by a removable, opaque window shield. The memory card may be erased by removing the window shield from the openings in the cover and exposing the memory circuits to ultraviolet radiation transmitted through the openings. The window shield is then replaced to the position covering the openings in the cover after the erasable memory circuits are reprogrammed.

REFERENCES:
IBM Technical Disclosure Bulletin, vol. 27 No. 12 May 1985, pp. 6937-6938.

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