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, 2013
Filed:
Apr. 16, 2010
Robert G. Biskeborn, Hollister, CA (US);
Cherngye Hwang, San Jose, CA (US);
Calvin S. Lo, Saratoga, CA (US);
Andrew C. Ting, El Prado, NM (US);
Robert G. Biskeborn, Hollister, CA (US);
Cherngye Hwang, San Jose, CA (US);
Calvin S. Lo, Saratoga, CA (US);
Andrew C. Ting, El Prado, NM (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A magnetic head produced at low ambient temperatures that comprise a crystalline alumina layer for increasing the durability of the head is provided. According to one embodiment, a magnetic head for at least one of reading and writing data on to a magnetic data storage media. The magnetic head comprises a substrate, an at least partially crystalline alumina layer formed on the substrate, at least one of a write transducer and a read transducer formed on the substrate, and a surface for engaging the magnetic data storage media. In another embodiment, a method for forming an at least partially crystalline alumina film. The method comprises providing a substrate, and depositing alumina onto the substrate at an ambient temperature to form the at least partially crystalline alumina film.