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:
Nov. 04, 2014
Filed:
Feb. 20, 2012
Kenji Narumi, Osaka, JP;
Kenji Narumi, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
Provided are an optical information recording medium and an optical information recording device that enable to accurately form recording marks each having a certain code length and to accurately reproduce information, even in the case where shingled write recording is applied to optical information recording. An optical information recording medium () is provided with a user area () configured such that optical characteristics of a photosensitive recording material are changed by irradiation of laser light for recording information. The user area () includes recording tracks () on which information is recorded by overwriting a part of recording marks (), and a heat insulating area () which is concentrically or spirally formed, and insulates heat generated by irradiation of the laser light. The heat insulating area () is formed between the recording tracks ().