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. 19, 1996
Filed:
Nov. 01, 1993
Applicant:
Inventors:
Brij B Lal, San Jose, CA (US);
Tadashi Shinohara, Fremont, CA (US);
Assignee:
HMT Technology Corporation, Fremont, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; B32B / ;
U.S. Cl.
CPC ...
428 653 ; 428336 ; 428692 ; 4286 / ; 4286 / ; 4286 / ; 4286 / ; 428695 ; 428900 ;
Abstract
A magnetic thin-film medium having improved magnetic recording properties, including an increased magnetic remanence and high frequency signal amplitude, is disclosed. The magnetic recording medium has a 10-100 .ANG. soft ferromagnetic layer in addition to a substrate, a chromium underlayer, a thin-film magnetic recording layer and a protective overcoat.