Objective lens driving unit, and optical pickup device and optical disc drive including the objective lens driving unit
US8752078B1 · kind B1 · utility
1Cited by
2References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2012 |
| Grant date | Jun 10, 2014 |
| Priority date | — |
| Expiry date | Nov 17, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/0932
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Provided is an objective lens driving unit that includes a moving structure including an objective lens and a driving coil, a yoke and a fixed portion extending from the yoke, and a wire holder that has a first surface and a second surface that is adjacent to the first surface. The fixed portion of the yoke is integrally bonded to the first surface, and a terminal unit comprising a plurality of interconnection layers is embedded on the second surface. The objective lens driving unit also includes a plurality of suspension wires that connect the driving coil to the terminal unit of the wire holder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.