Manufacture of ophthalmic lenses by excimer laser
US4842782A · kind A · utility
132Cited by
28References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 1986 |
| Grant date | Jun 27, 1989 |
| Priority date | — |
| Expiry date | Oct 14, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2011/0016
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Complex small objects such as ophthalmic lenses are quickly and accurately fabricated from plastic or glass blanks of ablatable material such as plastic or glass by cutting, shaping, and radiusing the blank entirely by laser light, using appropriate masks and focusing optics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.