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. 21, 2007

Filed:

Sep. 04, 2003
Applicants:

Hajime Yuzurihara, Kanagawa, JP;

Hiroshi Deguchi, Kanagawa, JP;

Eiko Hibino, Kanagawa, JP;

Mikiko Abe, Kanagawa, JP;

Hiroshi Miura, Kanagawa, JP;

Kazunori Ito, Kanagawa, JP;

Michiharu Abe, Kanagawa, JP;

Inventors:

Hajime Yuzurihara, Kanagawa, JP;

Hiroshi Deguchi, Kanagawa, JP;

Eiko Hibino, Kanagawa, JP;

Mikiko Abe, Kanagawa, JP;

Hiroshi Miura, Kanagawa, JP;

Kazunori Ito, Kanagawa, JP;

Michiharu Abe, Kanagawa, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 7/0045 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides a recording method for a phase-change optical recording medium. The recording method of the present invention contains the step of irradiating an electromagnetic wave having a multipulse pattern so as to perform recording on a phase-change optical recording medium containing a phase-change recording layer. This method is characterised in that a starting time of a front pulse of the multipulse pattern delays 0.5T to 1.25T from a starting point of the first reference clock relative to the recording mark, where T is a reference clock of the multipulse pattern.


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