Performance test method of head gimbal assembly with precise positioning actuator
US6801377B2 · kind B2 · utility
6Cited by
3References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2001 |
| Grant date | Oct 5, 2004 |
| Priority date | — |
| Expiry date | Jan 16, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2005/001
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of testing a performance of an HGA including a step of obtaining a displacement performance of a precise positioning actuator by driving this actuator to displace and by executing a track profile measurement of at least one thin-film magnetic head element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.