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:
Oct. 10, 1995
Filed:
Aug. 03, 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 ...
B32B / ; G11B / ; B05D / ; C23C / ;
U.S. Cl.
CPC ...
428332 ; 428336 ; 428408 ; 428666 ; 428667 ; 428693 ; 428698 ; 4286 / ; 4286 / ; 4286 / ; 4286 / ; 428701 ; 428702 ; 428 655 ; 2041921 ; 2041922 ; 427127 ; 427128 ; 427130 ; 427131 ; 427132 ;
Abstract
A magnetic thin-film medium formed on a non-metallic substrate and having reduced noise characteristics, by virtue of a 5-50 .ANG., sputtered Cr-containing sublayer interposed between the substrate and a chromium underlayer. Also disclosed is a method of preparing the low-noise medium.