Method for production of three-dimensional objects by stereolithography
US4929402A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 19, 1989 |
| Grant date | May 29, 1990 |
| Priority date | — |
| Expiry date | Apr 19, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/49017
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A system for generating three-dimensional objects by creating a cross-sectional pattern of the object to be formed at a selected surface of a fluid medium capable of altering its physical state in response to appropriate synergistic stimulation by impinging radiation, particle bombardment or chemical reaction, successive adjacent laminae, representing corresponding successive adjacent cross-sections of the object, being automatically formed and integrated together to provide a step-wise laminar buildup of the desired object, whereby a three-dimensional object is formed and drawn from a substantially planar surface of the fluid medium during the forming process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.