The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 29, 2007
Filed:
Sep. 08, 2003
Daniel Robert Olson, Voorheesville, NY (US);
Marc Brian Wisnudel, Clifton Park, NY (US);
Marc Schaepkens, Ballston Lake, NY (US);
Robert Franklin Thompson, Kennebunk, ME (US);
Daniel Robert Olson, Voorheesville, NY (US);
Marc Brian Wisnudel, Clifton Park, NY (US);
Marc Schaepkens, Ballston Lake, NY (US);
Robert Franklin Thompson, Kennebunk, ME (US);
General Electric Company, Schenectady, NY (US);
Abstract
The present disclosure relates to a limited play optical storage media and a method for limiting access to data thereon. This storage media includes a first substrate; a reflective layer; a data storage layer disposed between said first substrate and said reflective layer; a reactive layer comprising at least one reactive material disposed on said at least one reflective layer; an optically transparent second substrate disposed between the reactive layer and a laser incident surface of the optical storage media; and an oxygen permeable barrier layer disposed between the reactive layer and a laser incident surface of the optical storage media, said reactive layer having an initial percent reflectivity of about 50% or greater and a percent reflectivity of about 45% or less after exposure to oxygen.