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:
Aug. 25, 2026
Filed:
May. 05, 2023
Headway Technologies, Inc., Milpitas, CA (US);
Bernard Dieny, Lans en Vercors, FR;
Bor-Yuan Jiang, San Jose, CA (US);
Headway Technologies, Inc., Milpitas, CA (US);
Abstract
The present embodiments relate to magneto-resistive read heads that can utilize read shields to maintain a reference layer magnetization. A magneto-resistive head can include a first shield and a second shield disposed adjacent to the first shield, with a distance between the shields forming a read gap. The magneto-resistive head can also include a first spacer layer disposed in the read gap. The magneto-resistive head can also include a first reference layer disposed in the read gap adjacent to the first spacer layer. A first reference layer magnetization direction can be set based at least by a first shield magnetization direction. The magneto-resistive head can also include a sense layer disposed in the read gap between the first spacer layer and the second shield.