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:
Sep. 16, 2008
Filed:
Nov. 27, 2006
Kazuo Watabe, Yokohama, JP;
Hideo Ando, Hino, JP;
Sumitaka Maruyama, Yokohama, JP;
Yutaka Kashihara, Chigasaki, JP;
Akihito Ogawa, Kawasaki, JP;
Kazuo Watabe, Yokohama, JP;
Hideo Ando, Hino, JP;
Sumitaka Maruyama, Yokohama, JP;
Yutaka Kashihara, Chigasaki, JP;
Akihito Ogawa, Kawasaki, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
An information layercomprises a system lead-in area, data lead-in area, data area, and middle area, an information layercomprises a system lead-out area, data lead-out area, data area, and middle area, an end position of the data area of layeris positioned outer than a start position of the data area of layer, the data lead-in area comprises a guard track zone wider than a test zone in the data lead-out area, the data lead-out area comprises a guard track zone wider than a test zone and a management zone in the data lead-in area, the middle area of layercomprises a guard track zone wider than a test zone in the middle area of layer, and the middle area of layercomprises a blank zone wider than a test zone in the middle area of layer