Process of making an optically recordable and readable informati

Details Process of making an optically recordable and readable informati Process of making an optically recordable and readable informati

1981-04-13

1982-06-08

Louie, Jr., Won H.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430275, 430496, G03C 176

Patent

active

043340075

ABSTRACT:
This invention relates to the production of information carriers on which the information is recorded along a track; the process of making the information carrier comprises a first step of materializing the track itself before recording any information by forming a groove in an auxiliary layer, the track thus being capable of being optically detected, and a second step of recording the information in a photosensitive layer in contact with the auxiliary layer along the track previously formed.

REFERENCES:
patent: 3661580 (1972-05-01), Mayand
patent: 3687664 (1972-08-01), Broadbent
patent: 3689264 (1972-09-01), Chandross et al.
patent: 3730720 (1973-05-01), Cuthbert et al.
patent: 3894179 (1975-07-01), Jacobs
patent: 3956582 (1976-05-01), Bouwhuis
patent: 3982943 (1976-09-01), Feng et al.
patent: 4109045 (1978-08-01), Goshima et al.

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