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:
Jul. 17, 2018
Filed:
May. 01, 2017
Seagate Technology Llc, Cupertino, CA (US);
Venkateswara Inturi, Shakopee, MN (US);
Steven C. Riemer, Minneapolis, MN (US);
Dong Lin, Eden Praire, MN (US);
Joseph Mundenar, Eden Prairie, MN (US);
Alexander Bramer, Bloomington, MN (US);
SEAGATE TECHNOLOGY LLC, Cupertino, CA (US);
Abstract
A method of forming a magnetic recording head. The method includes depositing a sacrificial metal alloy layer, which is wet etchable and has a moderate mill resistance, over a substrate. The method also includes depositing a write pole layer over the sacrificial metal alloy layer. The write pole layer has a bottom surface and a top surface opposite the bottom surface. A portion of the bottom surface of the write pole layer is in contact with the sacrificial metal alloy layer.