Patent ID: 7339712
Filing Date: 2008-03-04
Classification: B29C,B33Y,G02B

Abstract:
1. A method for vector-scanning a laser beam, comprising the steps of: directing a laser beam from a laser light source onto a scanning system comprising a first mirror coupled with a first rotary motive device for positioning the first mirror, the laser beam being directed from the first mirror onto a second mirror of the scanning system and then onto a working surface, the second mirror being coupled with a second rotary motive device for positioning the second mirror; and scanning the laser beam along a vector by providing a commanded-position signal to each of the first and second rotary motive devices to rotate the respective mirrors, each mirror undergoing acceleration at the beginning and end of the vector, wherein the commanded-position signals are calculated based on physical mathematical modeling of the acceleration of the mirrors taking into account effects of inertia of the scanning system.