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:
Mar. 17, 1987
Filed:
Nov. 26, 1985
Ryuji Watanabe, Ibaraki, JP;
Tetsuro Minemura, Hitachi, JP;
Tetsuo Ito, Mito, JP;
Hisashi Ando, Hitachi, JP;
Yoshihito Maeda, Mito, JP;
Masaichi Nagai, Hitachi, JP;
Seiki Shimizu, Hitachi, JP;
Kiyoshi Konno, Hitachi, JP;
Toshiki Kaneko, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
In an information recording medium having a recording layer for recording information by heating through incoming energy, at least one of an interference layer and an absorption layer for the incoming energy is provided on the energy-incoming side of the recording layer to reduce the reflected energy from the information recording medium and increase the quantity of heat input into the recording layer. The temperature of the recording layer is rapidly enhanced, and rapid writing is made possible thereby. Writing or erasing can be made with less incoming energy, and thus the writing sensitivity or erasing sensitivity of the information recording medium can be increased.