Apparatus and method for calibrating and normalizing a stereolit

Details Apparatus and method for calibrating and normalizing a stereolit Apparatus and method for calibrating and normalizing a stereolit

1988-11-08

1992-06-23

Rosenberger, Richard A.

Optics: measuring and testing

Lamp beam direction or pattern

356375, 4251744, 264 22, G01J 100, B28B 1700

Patent

active

051237342

ABSTRACT:
An apparatus and a method for calibrating and normalizing a stereolithographic apparatus so that a reaction means directed by a positioning means supplied with positioning means information may be positioned accurately on a designated surface of a working medium. One or more sensors fixed in location with respect to the designated surface of the working medium are utilized to correlate positioning means information with specific locations on the designated surface of the working medium. Other locations intermediate the specific locations may then be determined by the technique of linear interpolation.

REFERENCES:
patent: 4082463 (1978-04-01), Dehait et al.
patent: 4498767 (1985-02-01), McGovern et al.
patent: 4575330 (1986-03-01), Hull
patent: 4585342 (1986-04-01), Lin et al.
patent: 4660981 (1987-04-01), Stridsberg
patent: 4801477 (1989-01-01), Fudim
patent: 4929402 (1990-05-01), Hull

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