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. 22, 2017
Filed:
Mar. 24, 2015
Tdk Corporation, Tokyo, JP;
Atsushi Yamaguchi, Tokyo, JP;
Michitaka Nishiyama, Tokyo, JP;
Kei Hirata, Tokyo, JP;
Kenkichi Anagawa, Tokyo, JP;
TDK CORPORATION, Tokyo, JP;
Abstract
A magnetic head includes a main pole, a write shield and a gap section. The write shield includes a trailing shield, a leading shield and two side shields. The gap section includes a trailing gap section, a leading gap section and two side gap sections. Each of the two side gap sections and the leading gap section increases in thickness with increasing distance from a medium facing surface. In the medium facing surface, the thickness of the leading gap section is greater than the width of each of the two side gap sections, and the width of each of the two side gap sections decreases with decreasing distance to the leading gap section.