Magnetic head slider material
US4430440A · kind A · utility
40Cited by
9References
5Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | May 28, 1982 |
| Grant date | Feb 7, 1984 |
| Priority date | — |
| Expiry date | May 28, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1164
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A material for magnetic head sliders comprises a mixed powder consisting of 40 to 80% by weight of Al.sub.2 O.sub.3 and 20 to 60% by weight of TiO.sub.2, and further contains, per 100 parts by weight of the Al.sub.2 O.sub.3 and TiO.sub.2 mixture, 0.5 to 5 parts by weight of at least one of CaO, MgO and Y.sub.2 O.sub.3, and 0.5 to 10 parts by weight of ZrO.sub.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.