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. 23, 2004
Filed:
Aug. 31, 2001
Applicant:
Inventors:
Assignee:
TDK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/127 ;
U.S. Cl.
CPC ...
G11B 5/127 ;
Abstract
A top pole layer in a write head includes, in a pole portion, a first layer having surfaces one of which is adjacent to a write gap layer, a second layer having surfaces one of which is adjacent to the other surface of the first layer, and a third layer having surfaces one of which is adjacent to the other surface of the second layer. The first to third layers have different saturation flux densities such that the closer the layer to the write gap layer, the higher saturation flux density.
Mino, Tetsuya. (2004). Thin-film magnetic head and method of manufacturing same (U.S. Patent No. 6822830). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6822830
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile