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:
Jan. 03, 1989
Filed:
Jan. 11, 1988
Toshiaki Wada, Osaka, JP;
Mitsuhiko Furukawa, Fukuoka, JP;
Masaharu Shiroyama, Fukuoka, JP;
Michito Miyahara, Nakagawa, JP;
Mitsuyoshi Nagano, Saga, JP;
Shigeki Mohri, Tosu, JP;
Sumitomo Special Metals Co., Ltd., Osaka, JP;
Nippon Tungsten Co., Ltd., Fukuoka, JP;
Abstract
A recording head slider comprises a slider body having a fluid bearing surface on a primary surface thereof and at least one transducer on at least one side of the slider body, the slider body being made of a sintered body produced by sintering a base composition consisting essentially of 10-40 percent by volume of silicon carbide and the balance being alumina. The base composition may comprise 0.2-10 percent by weight of sintering aids MgO, Y.sub.2 O.sub.3, ZrO.sub.2, CaO, Er.sub.2 O.sub.3 and Cr.sub.2 O.sub.3. This slider has high precision machinability and compatibility with recording media.