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1. (WO2018140436) DETECTION OF POSITION, ORIENTATION AND SCALE OF WORK PIECES USING RETROREFLECTIVE SURFACES

Pub. No.:    WO/2018/140436    International Application No.:    PCT/US2018/014957
Publication Date: Fri Aug 03 01:59:59 CEST 2018 International Filing Date: Thu Jan 25 00:59:59 CET 2018
IPC: G01B 11/00
Applicants: LITHOPTEK LLC
Inventors: SCHATTENBURG, Mark
HENDEL, Rudolf
GLENN, Paul
GLENN, John
Title: DETECTION OF POSITION, ORIENTATION AND SCALE OF WORK PIECES USING RETROREFLECTIVE SURFACES
Abstract:
A method and apparatus in which retroreflective materials and surfaces are used for determining the position, orientation and scale of work pieces in order to accurately place process beams thereon for the purpose of surface patterning or treatment.