Radiation imagery chemistry: process – composition – or product th – Dye image from radiation sensitive dye or dye former by dry... – Developing latent image using radiant energy or heat
Reexamination Certificate
2007-05-22
2007-05-22
Chea, Thorl (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Dye image from radiation sensitive dye or dye former by dry...
Developing latent image using radiant energy or heat
C430S017000, C430S024000, C430S321000, C430S334000, C430S339000, C283S072000, C283S085000, C283S095000
Reexamination Certificate
active
10165273
ABSTRACT:
Disclosed herein are methods and apparatus for providing markings upon objects, including the read side of an optical information media, where the markings do not substantially interfere with object, including the use of the optical information media. This invention discloses use of a coating, marking schemes, printing of markings with UV light, as well as methods and apparatus for reading and deciphering said marking. Included is an authentication scheme, where the marking may be used as a lock to limit access to information contained in an optical information media.
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Afzal Robert S.
Berube Allison
Conroy Jeffrey L.
Lawandy Nabil M.
Smuk Andrei
Chea Thorl
Harrington & Smith PC
Spectra Systems Corporation
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