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:
Apr. 25, 2000
Filed:
Dec. 12, 1997
Nobuyuki Ishiwata, Tokyo, JP;
Tsutomu Ishi, Tokyo, JP;
Kiyokazu Nagahara, Tokyo, JP;
Kazumasa Kumagai, Tokyo, JP;
NEC Corporation, , JP;
Abstract
A magnetoresistive effect composite head includes a read magnetoresistive effect (MR) head and a recording inductive (ID) head. The MR head has first and second magnetic shield films and an MR element. The first and second magnetic shield films are formed on a slider main body in a stacked manner through a predetermined gap therebetween. Each of the first and second magnetic shield films has an end face flush with a slider floating surface. The MR element is formed between the first and second magnetic shield films through magnetic isolation layers each made of an insulator. The ID head has a first magnetic pole film, a coil, and a second magnetic pole film. The first magnetic pole film serves also as the second magnetic shield film. The coil and the second magnetic pole film are formed through an insulator on the first magnetic pole film on a surface opposite to the MR element through a predetermined magnetic gap. The second magnetic pole film has a projecting portion that defines a track width. The projecting portion has a distal end face substantially flush with the slider floating surface. A method of manufacturing a magnetoresistive effect head is also disclosed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile