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High-security transparent overlays:a new method for selective demetallization of fully registered embossed holograms

Author(s):
Schipper,W. ( Hologram Co.RAKO GmbH )  
Publication title:
Optical Security and Counterfeit Deterrence Techniques
Title of ser.:
Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.:
2659
Pub. Year:
1996
Page(from):
215
Page(to):
217
Pub. info.:
Bellingham, Wash.: SPIE-The International Society for Optical Engineering
ISSN:
0277786X
ISBN:
9780819420336 [0819420336]
Language:
English
Call no.:
P63600/2659
Type:
Conference Proceedings

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