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:
Jun. 10, 2008
Filed:
Nov. 10, 2004
Daisuke Yoshitoku, Tokyo, JP;
Koji Mishima, Tokyo, JP;
Kenji Yamaga, Tokyo, JP;
Tsuyoshi Komaki, Tokyo, JP;
Shigeru Yamatsu, Tokyo, JP;
Daisuke Yoshitoku, Tokyo, JP;
Koji Mishima, Tokyo, JP;
Kenji Yamaga, Tokyo, JP;
Tsuyoshi Komaki, Tokyo, JP;
Shigeru Yamatsu, Tokyo, JP;
TDK Corporation, Tokyo, JP;
Abstract
In an information recording medium according to the present invention, a recording layer, a first layer, and a second layer are formed so that a thermal conductivity of the first layer that contacts one surface of the recording layer and a thermal conductivity of the second layer that contacts another surface of the recording layer are both lower than a thermal conductivity of the recording layer and a track pitch is in a range of 0.1 μm to 0.5 μm, inclusive.