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:
Feb. 10, 2004
Filed:
Dec. 17, 2002
Atsuko Okawa, Yokohama, JP;
Yasuo Hira, Yokohama, JP;
Hirotaka Imayama, Kawasaki, JP;
Masayasu Fujisawa, Kanagawa, JP;
Saburou Suzuki, Minamiashigara, JP;
Eisei Togawa, Odawara, JP;
Noriyuki Saiki, Odawara, JP;
Nobuo Suzuki, Fujisawa, JP;
Hiroshi Agari, Odawara, JP;
Kiyoshi Akamatsu, Yokohama, JP;
Hiromu Chiba, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A magnetic head slider including a plurality of rails adapted to face a magnetic disk. Each of the rails has a longitudinal extension direction substantially in a direction of rotation of the magnetic disk, and a protective film is provided on a floating surface of at least one of the rails. A thickness of the protective film at least in a direction transverse to the longitudinal extension direction of the at least one of the rails is not uniform in the transverse direction.