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. 04, 2015
Filed:
May. 26, 2009
Ronghui Zhou, Fremont, CA (US);
Ming Jiang, San Jose, CA (US);
Guanghong Luo, Fremont, CA (US);
Yun-fei LI, Fremont, CA (US);
Ronghui Zhou, Fremont, CA (US);
Ming Jiang, San Jose, CA (US);
Guanghong Luo, Fremont, CA (US);
Yun-Fei Li, Fremont, CA (US);
Western Digital (Fremont), LLC, Fremont, CA (US);
Abstract
Methods of forming a write pole are disclosed. A structure comprising a bottom insulating layer and a top insulating layer is provided. A top damascene trench is formed in the top insulating layer, and a bottom damascene trench is formed in the bottom insulating layer. The bottom damascene trench and a portion of the top damascene trench are filled with a pole material. The top insulating layer and a portion of the pole material located above the bottom damascene trench are removed.