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

1980-09-22

1981-09-08

Kimlin, Edward C.

Radiation imagery chemistry: process, composition, or product th

Imaged product

Structurally defined

3461351, 3581285, 358130, 430 14, 430 16, 430 17, 430290, 430321, 430327, 430394, 430395, 430496, 430524, 430952, 430964, G03C 504, G03C 176, G01D 1524

Patent

active

042885108

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), Mayaud
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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