Optical information recording medium

Details Optical information recording medium Optical information recording medium

1998-03-26

1999-12-21

Evans, Elizabeth

Stock material or miscellaneous articles

Circular sheet or circular blank

428 642, 428 645, 428457, 428913, 43027013, 4304951, 430945, 369283, 369288, B32B 300

Patent

active

060046465

ABSTRACT:
An optical information recording medium for recording, retrieving and erasing mark length-modulated amorphous marks, which comprises a substrate, and a lower protective layer, a phase-change recording layer, an upper protective layer and a reflective layer having a thickness of from 40 to 300 nm and a volume resistivity of from 20 to 150 n.OMEGA..multidot.m, formed in this sequence on the substrate.

REFERENCES:
patent: 5171618 (1992-12-01), Suzuki
patent: 5523140 (1996-06-01), Tominaga
patent: 5637372 (1997-06-01), Tominaga
patent: 5709978 (1998-01-01), Hirotsune
patent: 5719006 (1998-02-01), Ohkubo
patent: 5776574 (1998-07-01), Honguh
patent: 5785828 (1998-07-01), Yamada
patent: 5789055 (1998-08-01), Yoon

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