PROCEDE ET DISPOSITIF DE FABRICATION D'UNE PIECE SOLIDE TRIDIMENSIONNELLE PAR PHOTOTRANSFORMATION D'UN LIQUIDE ORGANIQUE

摘要

The invention concerns the manufacture of a three-dimensional part by focusing a laser beam (40) onto the free surface of an organic liquid in a bell or an inverted vessel (24) vertically displacable and associated with means (30, 34) for adjusting the quantity or the pressure of a neutral fluid in the bell (24), in order to vary the position of the free surface (26) and produce a solid part (52) through the solidification of successive strata from a bottom surface (50). The invention can be applied, in particular, to the manufacture of three-dimensional models.