Method for embossing holograms into aluminum and other hard subs

Details Method for embossing holograms into aluminum and other hard subs Method for embossing holograms into aluminum and other hard subs

1997-11-26

2000-01-25

Angebranndt, Martin

Radiation imagery chemistry: process, composition, or product th

Holographic process, composition, or product

430 2, 430320, 430321, 359 1, 359 2, 205 70, 205 79, 29DIG37, G03H 118

Patent

active

060176571

ABSTRACT:
Surface relief holograms are prepared by directly impressing them into aluminum and other hard metal substrates, without the need to preheat or otherwise soften the substrate. A holographic embossing shim is prepared from a master and possesses a unique combination of surface configuration, hardness, and strength. The embossing shim can be mounted on a cylindrical support. In one embodiment, the shim is used to emboss a hardenable material, which is later hardened to form a tool.

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