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. 23, 2008
Filed:
Aug. 22, 2003
Harry Liu, Plymouth, MN (US);
Lonny Berg, Elk River, MN (US);
William L. Larson, Eden Prairie, MN (US);
Shaoping LI, Naperville, IL (US);
Theodore Zhu, Maple Grove, MN (US);
Joel Drewes, Minnetonka, MN (US);
Harry Liu, Plymouth, MN (US);
Lonny Berg, Elk River, MN (US);
William L. Larson, Eden Prairie, MN (US);
Shaoping Li, Naperville, IL (US);
Theodore Zhu, Maple Grove, MN (US);
Joel Drewes, Minnetonka, MN (US);
Micron Technology, Inc., Boise, ID (US);
Abstract
A passivated magneto-resistive bit structure is disclosed in which surfaces subjects to oxidation or corrosion are protected. In one embodiment, a bit structure is encapsulated by means of an etch stop barrier material. In another embodiment an etch stop barrier material protects the top of a bit structure and dielectric spacers protect the side walls.