Material for magnetic head substrate member
US4902651A · kind A · utility
11Cited by
4References
30Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 3, 1987 |
| Grant date | Feb 20, 1990 |
| Priority date | — |
| Expiry date | Mar 3, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B35/5611
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A material for thin film magnetic head slider particularly suited for high recording, which is obtained by sintering a mixture consisting essentially of: PA0 5 to 45% by weight of titanium carbide component; PA0 0.2 to 10% by weight of zirconium oxide; PA0 0.05 to 2% by weight of oxide of yttrium; PA0 0.2 to 25% by weight of aluminum nitride; and the balance of Al.sub.2 O.sub.3 component substituted with 0.5 to 8% by weight being at least one machinability agent selected from the group consisting of oxides of Mg, Ca, B, Ni and Cr and complex oxides thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.