178618 ⎘
Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto; Processes or apparatus for producing holograms; Particular processing of hologram record carriers, e.g. for obtaining blazed holograms; Trimming process, i.e. macroscopically patterning the hologram Demetallisation, i.e. removing the enhancing metallic layer
Optically variable security devices
#2Optically variable security devices
#3SECURITY ELEMENT WITH PATTERN AND DOUBLE-SIDED HOLOGRAPHIC EFFECT
#4Liquid crystal laminate and method for manufacturing a liquid crystal laminate
#5SECURITY ELEMENT WITH PATTERN AND DOUBLE-SIDED HOLOGRAPHIC EFFECT
#6Security element and method for producing a security element
#7OPTICALLY VARIABLE SECURITY DEVICES
#8Multi-layer body and process for the production of a multi-layer body
#9DURABLE WASHABLE LABEL HAVING A VISIBLE DIFFRACTION GRATING PATTERN
#10Apparatus for orienting magnetic flakes
#11DECORATED DEVICE AND METHOD OF FABRICATING THE SAME
#12Security element and method for producing a security element
#13OPTICAL SECURITY ELEMENT
#14DURABLE WASHABLE LABEL HAVING A VISIBLE DIFFRACTION GRATING PATTERN
#15Method for producing counterfeit-proof confidential and valuable documents
#16DIFFRACTIVE DEVICE
#17OVD CONTAINING DEVICE
#18Multi-layer body and method for producing the same
#19Storage medium comprising a security feature and method for producing a storage medium comprising a security feature
#20Article With Micro Indicia Security Enhancement
#21Multi-layer body including a diffractive relief structure and method for producing the same
#22Holographic magnetic stripe demetalization security
#23Patterned optical structures with enhanced security feature
#24Security devices incorporating optically variable adhesive
#25Adhesive Chromagram And Method Of Forming Thereof
#26Foil Security Element
#27Apparatus for orienting magnetic flakes
#28Patterned optical structures with enhanced security feature
#29Diffractive, polarization modulating optical devices
#30Covert security coating
#31Holograms with a discontinuous metal layer comprising regions of dissimilar transmittance and articles incorporating them
#32Continually variable demetallization of metallized films and similar objects
#33Patterned structures with optically variable effects
#34Diffractive device
#35Optically variable security device and method