Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product
Patent
1986-06-02
1989-04-04
Michl, Paul R.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
430 19, 430346, 430945, 430964, 3461351, G03C 172
Patent
active
048186660
ABSTRACT:
Erasable optical recording element according to FIG. 1 having a substrate 1 and a recording layer 4 which is provided thereon and which satisfies the formula (QSb).sub.100-x M.sub.x, wherein Q is the element Ga or In, M is a metal or chalcogenide element and x has the value 2-15, as well as a method of optically recording and erasing information in which under the influence of pulsated laser light amorphous info areas 10 are formed in the recording layer 4, which areas can be reverted by laser light to the crystalline phase and can be erased.
REFERENCES:
patent: 4637976 (1987-01-01), Terao et al.
patent: 4647944 (1987-03-01), Gravesteijn et al.
Gravesteijn Dirk J.
Van Der Poel Carlus J.
Michl Paul R.
Spain Norman N.
U.S. Philips Corporation
Wright Lee C.
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