Optical information recording medium

Details Optical information recording medium Optical information recording medium

1987-04-28

1989-06-13

Robinson, Ellis P.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 65, 428688, 428689, 428697, 428698, 428699, 428704, 428913, 428333, 428141, 369288, 346766, 3461351, B32B 302, G11B 584, G01D 1510

Patent

active

048392081

ABSTRACT:
An optical information recording medium according to the present invention is featured by its recording layer which contains a compound of tellurium (Te), selenium (Se) and nitrogen (N). The thickness of the recording layer 2 favorably ranges from about 100 angstroms (.ANG.) to about 1000 .ANG. and more favorably from 180 .ANG. to 400 .ANG.. The content of Se in the recording layer 2 favorably lies within a range from 2 to 40 atomic percent, more favorably from 10 to 30 atomic percent. The content of N is favorably to be from 2 to 20 atomic percent, and more favorably from 2 to 10 atomic percent.

REFERENCES:
patent: 4509161 (1985-04-01), Van de Leest et al.
patent: 4565772 (1986-01-01), Takeoka et al.
patent: 4668573 (1987-05-01), Terao et al.
patent: 4670345 (1987-06-01), Morimoto et al.

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