Magneto-optical head with integral mounting of lens holder and coil
US6307818A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 9, 1999 |
| Grant date | Oct 23, 2001 |
| Priority date | — |
| Expiry date | Jun 9, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B11/1058
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An integrated coil support and lens holder assembly for a magneto-optical read/write head defined on at least one wafer with a coil supported on a first surface including leads extending to an electrical feedthrough supported in part on the first surface, a lens supporting region supporting a lens in alignment with an open center region of the coil, an electrical feedthrough region defined adjacent the lens and extending through the integrated coil support and lens holder assembly to a second surface, an electrical contact layer extending through to the first surface to contact the electrical cross-over region for the coil, and ABS features incorporated in the integrated coil support and lens holder assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.