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:
Aug. 21, 2007
Filed:
Feb. 08, 2005
Hiroshi Chiba, Kawasaki, JP;
Keiji Watanabe, Kawasaki, JP;
Yoshiharu Kasamatsu, Kawasaki, JP;
Takayuki Musashi, Kawasaki, JP;
Yukiko Oshikubo, Kawasaki, JP;
Eishin Yamakawa, Higashine, JP;
Takeshi Toukairin, Higashine, JP;
Jun Watanabe, Kawasaki, JP;
Norikazu Nakamura, Kawasaki, JP;
Hiroshi Chiba, Kawasaki, JP;
Keiji Watanabe, Kawasaki, JP;
Yoshiharu Kasamatsu, Kawasaki, JP;
Takayuki Musashi, Kawasaki, JP;
Yukiko Oshikubo, Kawasaki, JP;
Eishin Yamakawa, Higashine, JP;
Takeshi Toukairin, Higashine, JP;
Jun Watanabe, Kawasaki, JP;
Norikazu Nakamura, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A head slider to which little amount of contaminants is adhered, that can form a uniform and flat head lubricant layer surface and that has excellent ultra-low floating properties, as well as a magnetic recording device equipped with the head slider are provided. The head slider is equipped with a head slider lubricant layer having an average film thickness of not more than 2.5 nm, and composed of a water-repellent resin, the lubricant layer being formed on the head slider surface and head slider protection layer surface facing the magnetic recording medium, and the surface tension of the head slider lubricant layer determined by the Fowkes equation is not more than those of the head slider surface and head slider protection layer surface.