Monitoring and correcting for non-translational motion in a resonance measurement apparatus
US6947852B2 · kind B2 · utility
4Cited by
16References
35Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 4, 2002 |
| Grant date | Sep 20, 2005 |
| Priority date | — |
| Expiry date | Jun 4, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M7/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A system and method for assessing and potentially correcting for non-translational motion in a resonance measurement apparatus is provided. The design measures the response of an article, such as an HGA assembly including a read/write head, as well as the excitation of a shaking device, such as a head resonance tester, and computes a correction factor using either two or three point measurement. The correction factor may be evaluated by subjecting the arrangement to further vibration at varying frequencies. Measurement of the shaking device may be accomplished using an accelerometer or by optical measurement using a light beam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.