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:
Dec. 28, 1999
Filed:
Dec. 18, 1997
Applicant:
Inventors:
Darren T Imai, Los Gatos, CA (US);
David D Roberts, Santa Cruz, CA (US);
Dimitre A Latev, San Jose, CA (US);
William C Cain, San Jose, CA (US);
Assignee:
Read-Rite Corporation, Milpitas, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360126 ;
Abstract
A planar thin film magnetic head comprises an insulating substrate, a pair of insulating pedestals formed on the substrate, a top magnetic yoke having a central portion disposed over the substrate and having opposite ends supported on each of the pedestals. A conductor is provided over the top yoke central portion, and an insulating layer is disposed between the conductor and the top magnetic yoke. A bottom magnetic yoke is disposed over the conductor and has a gap in a central portion and opposite ends in contact with the top yoke ends.