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We created high-density materials with low internal porosity, and realized stable quality by utilizing our ceramic material technology accumulated over many years and our original manufacturing technology. High-precision slider ceramics combining powder press molding technology and precision processing technology are used as supporting materials for magnetic head portion, contributing to the improvement of performance.
Ferrite can also be processed. Please contact us.
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■Features
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High density, very low porosity |
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Coefficient of thermal expansion and wear resistance similar to those of ferrite |
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Excellent surface smoothness |
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High-precision processing technology |
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Total production from materials to forming and cutting |
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■Applications
Various magnetic head for floppy disk drives, etc. |
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■Characteristics
| Material name |
Calcium titanate |
Barium titanate |
| Product No. |
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KTN-SH |
KTN-SH H |
AX-07 |
AX-07 H |
CTY H |
FT96 |
| Color |
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Dark brown |
Dark brown |
Yellow brown |
Yellow brown |
Yellow brown |
Gray-yellow |
| Bulk density |
kg / m3 |
4.03x103 |
4.03x103 |
4.00x103 |
4.00x103 |
4.00x103 |
4.5x103 |
| Water absorption |
% |
0 |
0 |
0 |
0 |
0 |
0 |
| Vickers hardness |
Hv |
880 |
880 |
880 |
880 |
880 |
860 |
3-point
bending strength |
MPa |
285 |
285 |
265 |
265 |
285 |
225 |
Coefficient
of linear
thermal
expansion |
100~
300ºC |
x10-6/ºC |
11.5 |
11.5 |
10.5 |
10.5 |
10.9 |
9.6 |
100~
300ºC |
11.9 |
11.9 |
11.5 |
11.5 |
11.5 |
10.0 |
| Dielectric constant |
1MHz |
173 |
173 |
173 |
173 |
167 |
48 |
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COPYRIGHT 2009 MARUWA Co., Ltd. ALL RIGHT RESERVED.
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