Patent · US Expired

Method for fabricating an integral three-dimensional object from layers of a photoformable composition

US5122441A · kind A · utility

171Cited by
4References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 29, 1990
Grant dateJun 16, 1992
Priority date
Expiry dateOct 29, 2010

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB33Y10/00
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

An apparatus and method for fabricating integral three-dimensional objects from successive layers of photoformable compositions by exposing the layers of the composition through a semi-permeable film that allows creation of release coatings on the side of said film facing said composition.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.