Mounting structure of objective lens for optical pick-up used for optical disk device
US5781351A · kind A · utility
74Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 1996 |
| Grant date | Jul 14, 1998 |
| Priority date | — |
| Expiry date | May 31, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/163
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical pick-up for use in optical disk devices comprises an objective lens having an outer ring formed therearound and a lens holder for positioning and holding the objective lens, the lens holder having first and second inner walls between which an annular shoulder portion is formed, and plural recesses formed on the annular shoulder portion as reservoirs into which excess adhesive agent is collected when adhesive agent is applied to a gap defined between the first inner wall and the outer ring of the objective lens. Various structures for collecting excess adhesive agent are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.