Method for making ultra-narrow read sensor and read transducer device resulting therefrom
US9406331B1 · kind B1 · utility
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23Claims
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Key dates
| Filing date | Jun 27, 2013 |
| Grant date | Aug 2, 2016 |
| Priority date | — |
| Expiry date | Jan 9, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/3163
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed are methods for making ultra-narrow track width (TW) read sensors, and read transducers incorporating such sensors. The methods utilize side-wall line patterning techniques to prepare ultra-narrow mill masks that can be used to prepare the ultra-narrow read sensors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.