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:
May. 29, 2012
Filed:
Dec. 22, 2008
Amanda Baer, Campbell, CA (US);
Wen-chien David Hsiao, San Jose, CA (US);
Vladimir Nikitin, Campbell, CA (US);
Trevor W. Olson, San Jose, CA (US);
Yuan Yao, Fremont, CA (US);
Amanda Baer, Campbell, CA (US);
Wen-Chien David Hsiao, San Jose, CA (US);
Vladimir Nikitin, Campbell, CA (US);
Trevor W. Olson, San Jose, CA (US);
Yuan Yao, Fremont, CA (US);
Hitachi Global Storage Technologies Netherlands B.V., Amsterdam, NL;
Abstract
A method in one embodiment includes forming a resist structure above an upper surface of a substrate, wherein a portion of the upper surface of the substrate is a shaping layer, wherein the resist structure has an undercut; depositing a layer of magnetic material above exposed regions of the substrate, wherein a portion of the layer of magnetic material tapers towards the substrate as it approaches the undercut; removing the resist structure; and forming a write pole above the layer of magnetic material. Additional methods are disclosed.