Solid imaging method using photohardenable materials of self limiting thickness
US4942066A · kind A · utility
26Cited by
10References
7Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 21, 1989 |
| Grant date | Jul 17, 1990 |
| Priority date | — |
| Expiry date | Apr 21, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/148
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An integral three-dimensional object is formed from a photohardenable liquid composition containing radiation deflecting matter whereby a difference in an index of refraction increases by more than 0.01 after photohardening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.