Gsi Lumonics Corporation

Ppi Systems, Inc.

Robert Glenn Parker

Anton Theodore Kitai

Ian J Miller

David R Walker

Paul Andrew Labelle

A system and method of probing work pieces is described. A first and second arm each having a pivot point and a guide end are pivotally coupled together at the respective pivot points. A probe tip holder is coupled to at least one of the first arm or the second arm. A guide means guides movement of the guide ends of the pivotally coupled arms, such that movement of the guide end of the first arm and the second arm move the probe tip holder in a plane parallel to the work piece surface.

System and method for probing work pieces

A method and of determining scanner coordinates to accurately position a focused laser beam. The focused laser beam is scanned over a region of interest (e.g. an aperture) on a work-surface by a laser scanner. The position of the focused laser beam is detected by a photodetector either at predetermined intervals of time or space or as the focused laser beam appears through an aperture in the work surface. The detected position of the focused laser beam is used to generate scanner position versus beam position data based on the position of the laser scanner at the time the focused laser beam is detected. The scanner position versus beam position data can be used to determine the center of the aperture or the scanner position coordinates that correspond with a desired position of the focused laser beam.

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Ottawa, Canada

Robert Glenn Parker