Method for collective production of magnetic heads with rounded bearing surface
US6555294B1 · kind B1 · utility
17Cited by
15References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 29, 2001 |
| Grant date | Apr 29, 2003 |
| Priority date | — |
| Expiry date | Jan 29, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49046
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A process for collectively making integrated magnetic heads with a bearing surface obtained by photolithography. According to the process, on a wafer is deposited a plurality of heads, a mask defining the profile of the bearing surfaces and the wafer is collectively engraved in the vicinity of the pole pieces of the heads. Such a process may find particular application to the making of magnetic heads.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.