Title:
MAGNETIC HEAD SUBSTRATE, MAGNETIC HEAD AND RECORDING MEDIUM DRIVING DEVICE
Document Type and Number:
WIPO Patent Application WO/2007/105477
Kind Code:
A1
Abstract:
Provided is a magnetic head substrate composed of a sintered body containing
an alumina of 35 mass % or more but not more than 60 mass %, and a conductive compound
of 40 mass % or more but not more than 65 mass %. The conductive compound includes
at least one material selected from carbonate, nitride and carbonitride of tungsten.
The maximum crystal grain diameter of the sintered body is 4μm or less (excluding
0μm). Furthermore, a magnetic head provided with a slider formed of the
magnetic head substrate, and a recording medium driving device having such magnetic
head are also provided.
Inventors:
SUE TOSHIYUKI (JP)
NAKAHARA MASAHIRO (JP)
GENTSUU TAKUYA (JP)
NAKAHARA MASAHIRO (JP)
GENTSUU TAKUYA (JP)
Application Number:
PCT/JP2007/053556
Publication Date:
September 20, 2007
Filing Date:
February 26, 2007
Export Citation:
Assignee:
KYOCERA CORP (JP)
SUE TOSHIYUKI (JP)
NAKAHARA MASAHIRO (JP)
GENTSUU TAKUYA (JP)
SUE TOSHIYUKI (JP)
NAKAHARA MASAHIRO (JP)
GENTSUU TAKUYA (JP)
International Classes:
G11B5/60; C04B35/10; G11B5/31; G11B5/39; G11B21/21
Foreign References:
| JP2005272291A | 2005-10-06 | |||
| JPH09221352A | 1997-08-26 | |||
| JP2002356367A | 2002-12-13 | |||
| JP2000348321A | 2000-12-15 |
Attorney, Agent or Firm:
SHIOTANI, Takashi (Shinmachi Nishi-ku, Osaka-sh, Osaka 13, JP)
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