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. 05, 2014
Filed:
Mar. 12, 2012
Guanghong Luo, Fremont, CA (US);
Liubo Hong, San Jose, CA (US);
Honglin Zhu, Fremont, CA (US);
Yun-fei LI, Fremont, CA (US);
Yingjian Chen, Fremont, CA (US);
Guanghong Luo, Fremont, CA (US);
Liubo Hong, San Jose, CA (US);
Honglin Zhu, Fremont, CA (US);
Yun-Fei Li, Fremont, CA (US);
Yingjian Chen, Fremont, CA (US);
Western Digital (Fremont), LLC, Fremont, CA (US);
Abstract
A perpendicular magnetic recording (PMR) transducer is provided. The PRM transducer includes a PMR pole having a top, a bottom, and at least one sidewall, the bottom having a bottom width, the top having a top width bigger than the bottom width. The PRM transducer further includes an intermediate layer adjacent to the at least one sidewall, a write gap on the PMR pole, the write gap including a first layer on the PMR pole, the first layer including a planarization stop layer, and a shield on the write gap.