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:
Jul. 10, 2007
Filed:
Aug. 05, 2003
Tetsuya Watanabe, Kanagawa, JP;
Masaki Okazaki, Kanagawa, JP;
Tetsuya Watanabe, Kanagawa, JP;
Masaki Okazaki, Kanagawa, JP;
Fujifilm Corporation, Tokyo, JP;
Abstract
The present invention provides an optical information recording medium including a substrate; and a recording layer provided onto the substrate, to which information can be recorded and from which the information can be replayed by irradiating the medium with a laser having a short wavelength, specifically a highly versatile semiconductor laser having a wavelength near 405 nm, wherein the recording layer includes a specific compound, and the recording medium has superior recording properties. An information recording method capable of recording information at high density using a laser having a short wavelength is also provided.