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:
Nov. 17, 2020
Filed:
Sep. 27, 2019
Yoshitaka Sasaki, Los Gatos, CA (US);
Hiroyuki Ito, Milpitas, CA (US);
Kazuki Sato, Milpitas, CA (US);
Shigeki Tanemura, Milpitas, CA (US);
Tetsuya Roppongi, Milpitas, CA (US);
Kei Hirata, Milpitas, CA (US);
Atsushi Yamaguchi, Milpitas, CA (US);
Michitaka Nishiyama, Milpitas, CA (US);
Yoshitaka Sasaki, Los Gatos, CA (US);
Hiroyuki Ito, Milpitas, CA (US);
Kazuki Sato, Milpitas, CA (US);
Shigeki Tanemura, Milpitas, CA (US);
Tetsuya Roppongi, Milpitas, CA (US);
Kei Hirata, Milpitas, CA (US);
Atsushi Yamaguchi, Milpitas, CA (US);
Michitaka Nishiyama, Milpitas, CA (US);
HEADWAY TECHNOLOGIES, INC., Milpitas, CA (US);
Abstract
A magnetic head includes a medium facing surface, a coil, a main pole, and a substrate. The main pole includes a first layer, and a second layer lying on the first layer. The first layer includes a thickness-changing portion whose dimension in a direction perpendicular to a top surface of the substrate decreases with decreasing distance to the medium facing surface. At least part of the second layer is located on the thickness-changing portion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile