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:
Apr. 07, 2020
Filed:
Oct. 24, 2017
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Robert G. Biskeborn, Hollister, CA (US);
Calvin S. Lo, Saratoga, CA (US);
Teya Topuria, San Jose, CA (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 17/00 (2006.01); G11B 5/187 (2006.01); G11B 5/008 (2006.01); G11B 5/255 (2006.01); G11B 5/31 (2006.01);
U.S. Cl.
CPC ...
G11B 5/1871 (2013.01); G11B 5/00813 (2013.01); G11B 5/255 (2013.01); G11B 5/3106 (2013.01);
Abstract
In one general embodiment, a method includes performing a reducing operation for reducing a native oxide along a surface of a CoFe layer of a magnetic transducer, after performing the reducing operation, performing an oxidation operation for oxidizing the surface of the CoFe layer, and after performing the oxidation operation, forming a layer of at least partially crystalline alumina on the oxidized surface of the CoFe layer.