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:
Nov. 25, 2008
Filed:
Jan. 31, 2003
Yuichi Sabi, Tokyo, JP;
Yuichi Sabi, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
The present invention relates to an optical recording medium having a plurality of recording layers having different uses. The optical recording medium includes a first light transmitting layer (); a layer () composed of an organic dye for recording and reading data by an optical beam of a first wavelength incident through the first light transmitting layer () and transmitting an optical beam of a second wavelength incident through the first light transmitting layer (); a second light transmitting layer () for transmitting the optical beam of the second wavelength incident through the layer () composed of the organic dye; and a reflecting layer () for reflecting the optical beam of the second wavelength incident through the second light transmitting layer ().