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:
Dec. 13, 2016
Filed:
Aug. 21, 2013
Western Digital (Fremont), Llc, Fremont, CA (US);
Jinwen Wang, Pleasanton, CA (US);
Weimin Si, San Ramon, CA (US);
Jianxin Fang, San Jose, CA (US);
Ying Hong, Los Gatos, CA (US);
Hongzhou Jiang, Fremont, CA (US);
Ching-Huang Lu, Fremont, CA (US);
Yan Chen, Fremont, CA (US);
Donghong Li, Pleasanton, CA (US);
Lien-Chang Wang, Fremont, CA (US);
Lieping Zhong, San Jose, CA (US);
Tao Pan, San Jose, CA (US);
Western Digital (Fremont), LLC, Fremont, CA (US);
Abstract
A method of forming a wrapped-around shielded perpendicular magnetic recording writer pole is disclosed. A structure comprising a leading shield layer and an intermediate layer disposed over the leading shield layer is provided, the intermediate layer comprising a pole material and a dielectric material. A trench is formed in the dielectric material. A non-magnetic layer in the trench is removed via an ion beam etching process. A seed layer is deposited in the trench and over the pole material. A magnetic material comprising a side shield layer is deposited on at least a portion of the seed layer.