Optical recording material

Details Optical recording material Optical recording material

1988-03-11

1989-06-06

Robinson, Ellis P.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 65, 428 76, 428441, 428480, 428515, 428522, 428523, 428524, 428413, 428532, 428333, 428334, 428335, 428336, 428908, 428913, 430945, 369288, 346 76L, 3461351, B32B 300

Patent

active

048370630

ABSTRACT:
An optical recording material comprising a recording layer containing a substance with its optical properties changeable by irradiation with light in which information is recorded by irradiating the recording layer with light, said substance being an ethylene derivative having at its 1- and 2-positions heterocyclic groups which are cyclizable by irradiation with light to form a cyclohexadiene ring and thereby change the optical properties, and the other 1- and 2-positions connected to each other to form a ring.

REFERENCES:
patent: 4046577 (1977-09-01), Muzyczko et al.
patent: 4615967 (1986-10-01), Tenhover et al.
Optical Engineering, vol. 15, No. 2, Mar./Apr. 76, SPIE, Review & Analysis of Optical Recording Media, Bartolini et al., pp. 99-108.

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