Recorders – Performance of multiple functions of steam and gas engines – Pressure responsive element
Patent
1982-06-21
1985-02-19
Goldberg, E. A.
Recorders
Performance of multiple functions of steam and gas engines
Pressure responsive element
346 76L, 3461351, 430348, 430945, G01D 1534, G01D 1532, G03C 504, G03C 524
Patent
active
045008892
ABSTRACT:
In a method for recording information by irradiating an optical information recording material comprising a heat mode recording layer comprising a metal on a base with a light beam, the method for recording optical information in which said heat mode recording layer consists of a metal and at least one metal compound selected from metal oxides and metal sulfides and the proportion of the amount of the metal to that of said metal compound increases or decreases in the direction of the thickness of the layer, said recording layer having a layer comprising of mixture of at least one of the metal and at least one of the metal compound, in which irradiation with the light beam is conducted from the side where the proportion of the metal in the recording layer is smaller, and in which melting and removing are conducted until the difference in reflectance of the light between the non-recorded area and the recorded area reaches an extent which permits reading by light. The method permits highly sensitive recording by a light beam of a lower energy and can afford a record of information suitable for reflex reading.
REFERENCES:
patent: 4309713 (1982-01-01), Shinozani et al.
patent: 4335198 (1982-06-01), Hanada et al.
patent: 4357616 (1982-11-01), Terao et al.
patent: 4370391 (1983-01-01), Mori et al.
patent: 4415650 (1983-11-01), Kido et al.
Hasegawa Eiichi
Takahashi Yonosuke
Wada Minoru
Fuji Photo Film Co. , Ltd.
Goldberg E. A.
Preston Gerald E.
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