Information carriers, method of forming and copying said carrier

Details Information carriers, method of forming and copying said carrier Information carriers, method of forming and copying said carrier

1980-07-21

1983-08-23

Corbin, John K.

35016217, G02B 518

Patent

active

044000570

ABSTRACT:
An original information carrier is disclosed which comprises a recording layer applied to a carrier material. The recording layer contains information in the form of a relief image which is made of relief part-images which border on one another without overlapping. The recording layer further comprises a relief grating of different grating depths superimposed over the areas of said relief part-images.
A process for producing an information carrier is disclosed which comprises exposing a recording layer through separate color separation originals, exposing the layer to a grating pattern, and developing the exposed recording layer.
A process for forming a matrix containing the information stored on an information carrier is disclosed which comprises forming a layer of material on the original information carrier and then separating the layer from the carrier. The separated layer of material may then be used to make additional copies of the original relief image by contacting it with transparent deformable materials.
Also, an information carrier which is a copy of an original information carrier is disclosed which is made of a deformable material having the relief gratings and part-images of the original embossed therein.

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patent: 3947105 (1976-03-01), Smith
patent: 3957354 (1976-05-01), Knop
patent: 4017158 (1977-04-01), Booth
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patent: 4155627 (1979-05-01), Gale et al.
Gale et al., "Embossed Relief Images . .. ", SMPTE Journal, vol. 87, #1, Jan. 1978.
Gale, Optics Communication, vol. 18, #3, Aug. 1976.
Austin et al., Applied Optics, vol. 15, #4, Apr. 1976.
Friedman, "History of Color Photography," Focal Press, London, 2nd Ed. 1968.
Knop, "Color Pictures Using Zero Diffraction Orders . . . " Optics Communications, vol. 18, No. 3, Aug. 1976.
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Gale et al., "Farbenphotographic Ohne Farbstuffe und Silber", Naturwissenschaften, vol. 63, No. 4, Apr. 1976.
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