Method of producing a hologram

Details Method of producing a hologram Method of producing a hologram

2005-08-16

2005-08-16

Frech, Karl D. (Department: 2876)

Registers

Records

C359S035000

Reexamination Certificate

active

06929185

ABSTRACT:
A method of producing, by one hologram original plate, hologram tape accommodating a huge number of prepaid cards having mutually different specific codes. The method of producing a hologram comprises the steps of forming an oblong two-dimensional image having random numbers in a bar-code form, preparing a hologram original image based on the two-dimensional image, winding the hologram original image around the surface of a drum(110), preparing a drum-like hologram original plate(101) having minute irregularities corresponding fringes formed on the surface of the drum(110) by an etching technique, rotating the original plate(101) on the surface of a blank sheet(120) to repeatedly transfer the minute irregular hologram original image(111) on the surface of the original plate(101) onto the blank sheet(120), cutting the original image(111)-transferred blank sheet(120) into specified lengths, cutting the blank sheet(120) into length that does not exactly divide a circumferential length of the original plate(101).

REFERENCES:
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patent: H09-027018 (1997-01-01), None
patent: H10-320615 (1998-12-01), None
patent: 2000-020806 (2000-01-01), None

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