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:
Jan. 07, 1997
Filed:
Oct. 12, 1994
Nobuaki Onagi, Tsurugashima, JP;
Pioneer Electronic Corporation, Tokyo-to, JP;
Abstract
A magneto-optical recording medium includes: a mask layer having a first compensation temperature higher than a predetermined reproduction temperature and lower than a predetermined first recording temperature, a first Curie temperature higher than a predetermined second recording temperature and a first coercive force, and for storing information assigned to magnetizing directions; and an information recording layer having a second compensation temperature higher than the reproduction temperature and lower than the first compensation temperature, a second Curie temperature lower than the second recording temperature and a second coercive force, and for storing information assigned to magnetizing directions.