Static information storage and retrieval – Radiant energy
Patent
1995-06-06
1996-12-03
Nelms, David C.
Static information storage and retrieval
Radiant energy
365110, 365118, 365119, 365121, 365127, 365128, 365215, 365234, 365244, 25022731, 372 42, 395 25, 395934, G11C 1300, G11C 1304, G01B 910, H01S 316
Patent
active
055814999
ABSTRACT:
A device for optically storing and retrieving information incorporating a cadmium fluoride crystal. Using focused ionizing radiation, patterns can be formed in the crystal by the creation of color centers and/or intrinsic luminescence quenched areas. The stored information can then be retrieved by irradiating the crystal with visible light, ultraviolet light, ionizing radiation or combinations thereof. The device and the storage technique allows the storage of various different levels of information, the different levels being retrievable by using different irradiating media and magnifications of the retrieved information. The device and technique also allows the information to be stored for a predetermined period of time.
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Kleinberg Marvin H.
Lerner Marshall A.
Nelms David C.
Phan Trong
Ram Michael J.
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