Information recording medium including an organic polysilane and

Details Information recording medium including an organic polysilane and Information recording medium including an organic polysilane and

1991-09-09

1993-11-23

Ryan, Patrick J.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 65, 428913, 369283, 369284, 346 11, 346 76L, 430270, B32B 302

Patent

active

052642666

ABSTRACT:
An information recording medium comprises a recording layer including a mixture of organic polysilane and oxo metallic phthalocyanine pigment. Information is recorded by adding heat or light to the recording layer. In a method for recording information onto the information recording medium, a decoloring reaction of oxo metallic phthalocyanine pigment is used which is caused by heating the recording layer to a temperature equal to or higher than a pyrolyzing point of organic polysilane.

REFERENCES:
patent: 4458004 (1984-07-01), Tanikawa
patent: 4727171 (1988-02-01), Nagai
patent: 5039600 (1991-08-01), Tai
patent: 5105298 (1992-04-01), Schellenberg
patent: 5132153 (1992-07-01), Hirose et al.
Database WPIL No. 89-244,541, Derwent Publications, Ltd., Jul. 7, 1989.
Database WPIL No. 86-32,520, Derwent Publications, Ltd. Dec. 14, 1985.
Database WPIL No. 86-31,907, Derwent Publications, Ltd., Dec. 13, 1985.

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