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.

Date of Patent:
Aug. 30, 2011

Filed:

Nov. 15, 2007
Applicants:

Hiroshi Uchiyama, Miyagi, JP;

Hisayuki Yamatsu, Tokyo, JP;

Norihiro Tanabe, Saitama, JP;

Inventors:

Hiroshi Uchiyama, Miyagi, JP;

Hisayuki Yamatsu, Tokyo, JP;

Norihiro Tanabe, Saitama, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical information recording medium, which is made of a resin provided with photoreactivity containing organometal compound, has a recording layer on which, after a photoreaction are brought about when predetermined initialization light is irradiated to the medium and then the resin is hardened, at a time of recording information, a recording mark is formed when predetermined recording light is condensed to the medium, and a temperature of the medium near a focal point of the recording light is increased and the organometal compound is transubstantiated, and at a time of reproducing information, the information is reproduced based on returned light according to predetermined reading light being irradiated.


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