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:
Mar. 21, 1989
Filed:
May. 26, 1987
Applicant:
Inventors:
Toshiaki Wada, Takatsuki, JP;
Mitsuhiko Furukawa, Fukuoka, JP;
Masaharu Shiroyama, Fukuoka, JP;
Michito Miyahara, Nakagawa, JP;
Shigeki Mohri, Tosu, JP;
Mitsuyoshi Nagano, Saga, JP;
Assignees:
Sumitomo Special Metals Co., Ltd., Osaka, JP;
Nippon Tungsten Co., Ltd., Fukuoka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360103 ; 501105 ;
Abstract
A magnetic head slider and a material for it which comprises a sintered body obtained by sintering a raw material powder composed of 65 to 90% by weight of ZrO.sub.2 component containing therein a stabilizer and the balance of Al.sub.2 O.sub.3 component, 2% by weight or below of which has been substituted with a binder. The stabilizer is Y.sub.2 O.sub.3, MgO or CeO and the binder is Y.sub.2 O.sub.3 or MgO.