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. 20, 2008
Filed:
Jan. 13, 2005
Applicants:
Kazuoki Hongu, Zushi, JP;
Yasushi Hozumi, Ageo, JP;
Yukari Aoki, Yokohama, JP;
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is provided a method of annealing an optical recording medium formed on a substrate having a land and a groove, comprising the steps of: annealing one side wall between the land and the groove with a predetermined laser power; moving the laser to another side wall by allowing the laser to traverse one of the land and the groove with a laser power for not annealing after the step of annealing is conducted; and annealing the another side wall with the laser power.