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:
Feb. 07, 2012
Filed:
Sep. 28, 2006
Michihiro Shibata, Odawara, JP;
Hiroshi Kubo, Minato-ku, JP;
Tatsuo Fushiki, Hamamatsu, JP;
Seiya Yamada, Shimada, JP;
Hisanori Itoga, Hamamatsu, JP;
Michihiro Shibata, Odawara, JP;
Hiroshi Kubo, Minato-ku, JP;
Tatsuo Fushiki, Hamamatsu, JP;
Seiya Yamada, Shimada, JP;
Hisanori Itoga, Hamamatsu, JP;
FUJIFILM Corporation, Tokyo, JP;
Yamaha Corporation, Shizuoka, JP;
Abstract
The invention provides an optical disk system having at least: an optical disk including, on a substrate having pre-pits, an image-recording layer capable of drawing an image by irradiating a laser light; and a reading device which reads information included in the pre-pits by a return light of the laser light when the laser light having a wavelength of in a range of 630 to 680 nm is irradiated to the pre-pit of the optical disk. The pre-pits have a shortest pit length in a range from 0.6 to 0.9 μm being formed on the substrate. The invention further provides an optical disk recording apparatus, an image drawing method and an optical disk which utilize the optical disk system.