Optical recording device

Details Optical recording device Optical recording device

1988-08-17

1990-06-12

Ryan, Patrick

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 65, 428913, 428216, 4284111, 430945, 346 76L, 3461351, 369288, 4274343, B32B 302

Patent

active

049332210

ABSTRACT:
An optical recording device and an information memorizing device utilizing the same are provided. The optical recording device comprises an A-layer comprising a chromogenic compound which is usually colorless or pale colored, a B-layer comprising an auxochromic compound capable of making said chromogenic compound form color through contact with said chromogenic compound, and a light-absorbing layer, at least one of the three layers being constituted of a monomolecular film or a built-up film thereof.

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patent: 4801420 (1989-01-01), Uekita
Nikkei Industrial Newspaper, dated Oct. 18, 1983 and translation.

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