Probe head with narrow read element
US7903533B2 · kind B2 · utility
0Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 23, 2007 |
| Grant date | Mar 8, 2011 |
| Priority date | — |
| Expiry date | Dec 21, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B9/02
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus includes a storage medium, and a transducer positioned adjacent to the storage medium, wherein the transducer includes a first electrode and a second electrode, with the width of the first electrode being less than the width of the second electrode. A method including: applying a first voltage to a transducer to write data to a storage medium, and applying a second voltage to the transducer to read data from the storage medium, wherein the magnitude of the first voltage is greater than the magnitude of the second voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.