Stereolithographic apparatus and method of use

Details Stereolithographic apparatus and method of use Stereolithographic apparatus and method of use

1991-12-30

1993-09-21

Dzierzynski, Paul M.

Radiant energy

Irradiation of objects or material

264 22, 4251744, 346108, 346160, B29C 3508

Patent

active

052471802

ABSTRACT:
A stereolithographic apparatus is disclosed comprising a vat, a working surface in the vat, an elevating mechanism for controlling the level of liquid within the vat relative to the working surface, an illumination source for emitting radiation, and an area array deformable mirror device. The illumination source emits radiation which is operable to harden a stereolithographic liquid, while the deformable mirror device is operable to reflect the incident radiation onto the surface of the liquid. The deformable mirror device can harden an entire lamina of liquid in one brief exposure interval increasing throughout without sacrificing resolution.

REFERENCES:
patent: 5011635 (1991-04-01), Murphy et al.
patent: 5031120 (1991-07-01), Pomerantz et al.
patent: 5049901 (1991-09-01), Gelbart
patent: 5059359 (1991-10-01), Hull et al.
patent: 5123734 (1992-06-01), Spence et al.
patent: 5164128 (1992-11-01), Modrek et al.
3D Systems, Inc. brochure.

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