Matches 1 - 4 out of 4
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US20090026753 SECURITY DETERRENT MARK AND METHODS OF FORMING THE SAME  
A security deterrent mark includes one or more areas of interest, and at least one entropy-enhancing region within the one or more areas of interest.
US20080315574 Security Feature for Security Documents  
The invention relates to a security feature ( 8 ) for security documents ( 9 ), in particular bank notes. A first body colour ( 51 ) is applied in a first region ( 1 ) and a printing ink ( 53 ), in...
US20080054624 METHODS OF USING SEMICONDUCTOR FABRICATION TECHNIQUES FOR MAKING IMAGERY  
Described herein are various embodiments of imagery or items comprising imagery using semiconductor processing or fabrication techniques and methods of using such techniques to make imagery. For...
US20080018098 Card carrying business communication product and method of producing same  
A card based business communication is produced in a unique manner in which a pigmented coating is applied over one face of the card substrate so as to change the appearance of the card material...
Matches 1 - 4 out of 4