Lyon & Lyon
Stereolithographic apparatus and method
 A stereolithographic device and method including a process module, a control module and a service module. A laser is employed through a dynamic mirror system controlled by the control module to generate solidified cross sections of a selected part design on the surface of a photocurable polymer liquid. By lowering cured cross sections into the vat, additional cross sections can be perpared and joined therewith to define a prototype product. A stationary mirror in the beam path between the dynamic mirror system and the photocurable polymer is employed to make the system more compact and practical. A calibration and normalization process provides correction to distortions and misalignment of the stationary mirror. 
3D Systems, Inc.
B B B B B
B23K B29C B33Y B23K B33Y
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Mark A. Charles W. Stuart T.
Lewis Lewis Spence