Rapid prototype three dimensional stereolithography
US5545367A · kind A · utility
283Cited by
24References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 1993 |
| Grant date | Aug 13, 1996 |
| Priority date | — |
| Expiry date | May 27, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB33Y50/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Methods and apparatus are disclosed for the production of high precision large scale, micro and mini structures using three dimensional stereolithography. The objects formed using these methods have minimal stress between layers and low curl distortion. The objects also have low warpage because no post-cure treatment is necessary. The methods include the use of elevated pressure, elevated temperature, or sequential polymerization of polymer precursor fluid, or a combination of these, in the three dimensional stereolithographic process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.