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:
Mar. 19, 2002
Filed:
Jul. 15, 1999
Applicant:
Inventors:
Andreas Dietzel, Wallertheim, DE;
Friedrich Fleischmann, Erlangen, DE;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/48 ;
U.S. Cl.
CPC ...
G11B 5/48 ;
Abstract
Briefly, in a preferred embodiment, the present invention comprises a suspension having a structured surface hardening. This surface hardening may be comprised of thin film stripes of material such as nitrides, carbides, and adamantine carbon. The hardened layer has a thickness in the range of 10-100 nm.