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:
Jun. 04, 2019
Filed:
Mar. 28, 2014
Seagate Technology Llc, Cupertino, CA (US);
Thomas P. Nolan, Fremont, CA (US);
Li Tang, Fremont, CA (US);
Yong-Chang Feng, Fremont, CA (US);
Zhong (Stella) Wu, Fremont, CA (US);
Samuel D. Harkness, Berkeley, CA (US);
Hans J. Richter, Palo Alto, CA (US);
Youfeng Zheng, San Jose, CA (US);
Seagate Technology LLC, Cupertino, CA (US);
Abstract
Provided herein is an apparatus, including a magnetically soft underlayer (SUL); an interlayer stack overlying the SUL, wherein the interlayer stack comprises a seed layer of an fcc material; and a perpendicular magnetic recording layer overlying the interlayer stack, wherein a thickness of the SUL in combination with a distance of the SUL from the perpendicular recording layer is sufficient to orient a total magnetic field corresponding to a magnetic transducer head at an angle of about 45°.