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:
Feb. 25, 1992
Filed:
Mar. 20, 1990
Tosoh Corporation, Yamaguchi, JP;
Abstract
A magneto-optical recording medium and process for production of the same are disclosed, the magneto-recording medium comprising a substrate having thereon a magneto-optical recording film and at least one coating film provided on a light incident side and/or an opposite side thereto, of said magneto-optical recording film for protection of said magneto-optical recording film and/or Kerr effect enhancement, wherein said coating film contains silicon, nitrogen, and hydrogen as constituent elements. The magneto-optical recording medium has excellent reliability, excellent read-out performance properties as well as excellent recording sensitivity while exhibiting high magneto-optical effects and freedom from corrosion.