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:
Oct. 17, 2017
Filed:
Feb. 21, 2017
Yoshitaka Sasaki, Los Gatos, CA (US);
Hiroyuki Ito, Milpitas, CA (US);
Kazuki Sato, Milpitas, CA (US);
Yukinori Ikegawa, Milpitas, CA (US);
Shigeki Tanemura, Milpitas, CA (US);
Hironori Araki, Milpitas, CA (US);
Yoshitaka Sasaki, Los Gatos, CA (US);
Hiroyuki Ito, Milpitas, CA (US);
Kazuki Sato, Milpitas, CA (US);
Yukinori Ikegawa, Milpitas, CA (US);
Shigeki Tanemura, Milpitas, CA (US);
Hironori Araki, Milpitas, CA (US);
HEADWAY TECHNOLOGIES, INC., Milpitas, CA (US);
Abstract
A magnetic head includes a medium facing surface, a coil, a main pole, a write shield, and a first and a second return path section. The first return path section is located on the leading side of the main pole. The coil includes a specific coil element passing through a space defined by main pole, a gap section, write shield and first return path section. The main pole has a bottom end including a first portion and a second portion, the second portion being farther from medium facing surface than is the first portion. The specific coil element has a rear end farthest from medium facing surface. The distance from medium facing surface to rear end of the specific coil element is smaller than or equal to the distance from the medium facing surface to the boundary between the first portion and the second portion.