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:
Apr. 11, 2023
Filed:
Jun. 08, 2020
Applicant:
Sandisk Technologies Llc, Addison, TX (US);
Inventors:
Jinqiu Zhang, Fremont, CA (US);
Ming Sun, Pleasanton, CA (US);
Feng Liu, San Ramon, CA (US);
Xiaojun Zhang, Fremont, CA (US);
Assignee:
WESTERN DIGITAL TECHNOLOGIES, INC., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/31 (2006.01); G11B 5/127 (2006.01);
U.S. Cl.
CPC ...
G11B 5/1278 (2013.01); G11B 5/315 (2013.01); G11B 5/3116 (2013.01); G11B 5/3163 (2013.01);
Abstract
A magnetic recording head having air bearing surface (ABS) includes a main pole, a side shield laterally spaced from the main pole by a first side gap and a second side gap, an electrically conductive non-magnetic gap material layer disposed between the main pole and the side shield in the first side gap, and a dielectric non-magnetic gap material matrix and a conformal dielectric spacer layer disposed between the main pole and the side shield in the second side gap.