G - Physics – 11 – B
Patent
G - Physics
11
B
42/2
G11B 7/24 (2006.01) G11B 7/0055 (2006.01) G11B 7/243 (2006.01)
Patent
CA 1258172
ERASABLE OPTICAL RECORDING METHOD Abstract of the Disclosure A method of writing and erasing on an optical recording element is disclosed. The method comprises the steps of: a. providing an optical recording element comprising an amorphous thin film of a GeTe alloy; b. preparing the thin film for writing and erasing cycles by crystallizing the film: c. writing on selected portions of the prepared film with modulated laser beam, thereby converting portions on the films to a phase-segregated amorphous state.
523610
Pan Kee-Chaun
Tyan Yuan S.
Vazan Fridrich
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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