Method for the optical recording of information and an optical r

Details Method for the optical recording of information and an optical r Method for the optical recording of information and an optical r

1986-02-21

1987-03-03

Hartary, Joseph W.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346 76, 3461351, 365113, 430346, 430945, G01D 1534

Patent

active

046479449

ABSTRACT:
A method for the optical recording of information in which a recording layer 4 of In.sub.x Sb.sub.1-x, Ga.sub.x Sb.sub.1-x or (InSb).sub.y Se.sub.1-y, wherein 0.4.ltoreq.x.ltoreq.0.6 and 0.7.ltoreq.1.0, or mixtures thereof, provided on a synthetic resin substrate (2) (FIG. 1) in a maximum layer thickness of 150 nm is exposed to infrared laser light having a wavelength of 750-900 nm which is pulsated in accordance with the binary information to be recorded with a pulse time of at most 200 ns, a crystalline area 6 (bit) having maximum dimensions of a few micrometers being formed in the amorphous layer in the exposed places, as well as an optical recording element used in the method.

REFERENCES:
patent: 3530441 (1970-09-01), Ovshinsky
patent: 3716844 (1973-02-01), Brodsky
patent: 4238803 (1980-12-01), Terao
patent: 4307408 (1981-12-01), Kiyohara
patent: 4460636 (1984-07-01), Watanabe

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