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. 28, 2012
Filed:
Sep. 05, 2007
Hiroshi Umezaki, Kanagawa, JP;
Seiji Nakagawa, Kanagawa, JP;
Yuhsuke Matsumoto, Kanagawa, JP;
Yoshihisa Takeo, Tokyo, JP;
Gen Oikawa, Kanagawa, JP;
Hiroshi Kamio, Kanagawa, JP;
Hiroshi Umezaki, Kanagawa, JP;
Seiji Nakagawa, Kanagawa, JP;
Yuhsuke Matsumoto, Kanagawa, JP;
Yoshihisa Takeo, Tokyo, JP;
Gen Oikawa, Kanagawa, JP;
Hiroshi Kamio, Kanagawa, JP;
Hitachi Global Storage Technologies, Netherlands B.V., Amsterdam, NL;
Abstract
Embodiments of the present invention provide a magnetic slider of which terminals have a sufficiently large process margin for the laser condition in the SBB process. According to one embodiment, a magnetic slider comprises: a read element and a write element; plural wiring lines which are connected to the read element and the write element; a protective film which covers the read element, the write element and the plural-wiring lines; plural slider pads formed on the protective film; and plural studs which respectively connect the slider pads and the wiring lines and are covered by the protective film, wherein each of the slider pads comprises a chromium film, a nickel iron film and a gold film, the nickel iron film is formed between the chromium film and the gold film, and the chromium film is formed between the nickel iron film and one of the studs and is in contact with the protective film.