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. 03, 2007
Filed:
Jun. 13, 2005
Taro Oike, Chuo-ku, JP;
Makoto Yoshida, Chuo-ku, JP;
Tetsuo Miyazaki, Chuo-ku, JP;
Shin Narushima, Chuo-ku, JP;
Hiroyuki Miyamoto, Chuo-ku, JP;
Taro Oike, Chuo-ku, JP;
Makoto Yoshida, Chuo-ku, JP;
Tetsuo Miyazaki, Chuo-ku, JP;
Shin Narushima, Chuo-ku, JP;
Hiroyuki Miyamoto, Chuo-ku, JP;
TDK Corporation, Tokyo, JP;
Abstract
A writing magnetic pole portion composed of a first magnetic film and a second magnetic film formed on the first magnetic film via a gap film is fabricated on a given wafer. Then, the writing magnetic pole portion is swung forward and backward around a rotation standard axis parallel to a center line of the writing magnetic pole portion in a direction parallel to a surface of the. Then, the writing magnetic pole portion is milled during the swing of the writing magnetic pole portion to define the width of the writing magnetic pole portion.