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. 02, 2016
Filed:
Jun. 27, 2013
Applicant:
Western Digital (Fremont), Llc, Fremont, CA (US);
Inventors:
Miao Wang, San Jose, CA (US);
Wei Gao, Fremont, CA (US);
Xiaoyu Yang, Union City, CA (US);
Anup G. Roy, Fremont, CA (US);
Wei Zhang, Fremont, CA (US);
Wencheng Su, Cupertino, CA (US);
Zhihong Zhang, Fremont, CA (US);
James Yuan, Fremont, CA (US);
Guanxiong Li, Fremont, CA (US);
Ming Mao, Dublin, CA (US);
Hai Sun, Milpitas, CA (US);
Lingyun Miao, Fremont, CA (US);
Assignee:
Western Digital (Fremont), LLC, Fremont, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B44C 1/22 (2006.01); G11B 5/84 (2006.01); G11B 5/127 (2006.01);
U.S. Cl.
CPC ...
G11B 5/8404 (2013.01); G11B 5/127 (2013.01);
Abstract
Disclosed are methods for making ultra-narrow track width (TW) read sensors, and read transducers incorporating such sensors. The methods utilize side-wall line patterning techniques to prepare ultra-narrow mill masks that can be used to prepare the ultra-narrow read sensors.