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. 12, 2005
Filed:
Sep. 28, 2001
Tomohiro Okada, Hitachi, JP;
Tetsuya Okai, Odawara, JP;
Shinobu Sasaki, Odawara, JP;
Tadayuki Iwakura, Odawara, JP;
Naoki Koyama, Nakano-ku, JP;
Harunobu Saito, Chigasaki, JP;
Makoto Morijiri, Naka-gun, JP;
Tomohiro Okada, Hitachi, JP;
Tetsuya Okai, Odawara, JP;
Shinobu Sasaki, Odawara, JP;
Tadayuki Iwakura, Odawara, JP;
Naoki Koyama, Nakano-ku, JP;
Harunobu Saito, Chigasaki, JP;
Makoto Morijiri, Naka-gun, JP;
Hitachi Global Storage Technologies Japan, Ltd., Odawara, JP;
Abstract
A magnetic disk apparatus includes a magnetic reproducing head portion, and a magnetic recording head including a lower magnetic core and an upper magnetic core having a end portion and a rear portion. The rear portion is formed using a negative resist or an electron beam resist to form a frame for plating above the end portion of the upper magnetic core head.