Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Rakesh Vig0
Scott Gerger0
Junzhong Li0
Richard H. Selinfreund0
Date of Patent
March 18, 2008
0Patent Application Number
106720520
Date Filed
September 26, 2003
0Patent Primary Examiner
Patent abstract
A copy-protected optical medium comprising transient optical state change security materials that demonstrating an optical state change when exposed to the wavelengths of from about 770 nm to about 830 nm.
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