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:
Dec. 06, 2011
Filed:
Dec. 28, 2005
Hiroshi Tabata, Mito, JP;
Kenji Tokui, Hitachinaka, JP;
Ikuo Matsumoto, Mito, JP;
Shinji Higuchi, Mito, JP;
Hiroshi Tabata, Mito, JP;
Kenji Tokui, Hitachinaka, JP;
Ikuo Matsumoto, Mito, JP;
Shinji Higuchi, Mito, JP;
Victor Company of Japan, Ltd., Kanagawa-Ken, JP;
Abstract
Data is recorded in a phase-change optical storage medium having data layers. A first recording pulse sequence is generated for recording to a first data layer located most remote from a beam-incident surface. The first sequence has a recording pulse carrying an erasing power and a recording power rising from the erasing power, and a cooling pulse carrying a bottom power lower than the erasing power. A second recording pulse sequence is generated for recording to a second data layer. The second sequence has recording pulse carrying an erasing power and a recording power rising from the erasing power, a cooling puse carrying a bottom power lower than the erasing power, and an erasing top pulse carrying an erasing top power higher than the erasing power.