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:
Sep. 03, 1996
Filed:
Dec. 16, 1994
Shinichi Tachibana, Yamato, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In a magnetic field modulation type overwrite magneto-optical recording-reproducing system for effecting the recording of information on a magneto-optical recording medium with the bottom surface of a magnetic head floated and moved relative to a protective film formed on the surface of the magneto-optical recording medium, the surface roughness .alpha. of the bottom surface of the magnetic head represented by the center line average peak height (R.sub.pm) and the surface roughness .beta. of the protective film of the magneto-optical recording medium satisfy the relational expression that 0.15 .mu.m.ltoreq.(.alpha.+.beta.).ltoreq.1.0 .mu.m.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile