Patents Represented by Attorney Lance L. Vielzke

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  • Cutting tool using one or more machined tool tips with diffractive features in a continuous or interrupted cut fast tool servo
    Patent number: 7628100
    Abstract: A cutting tool assembly having a tool post capable of lateral movement along a work piece to be cut and an actuator with at least one machined tool tip and possibly other tool tips. The actuator provides for control of the movement of the tool tip in an x-direction into and out of the work piece in order to make continuous or discontinuous diffractive features in it. The machined work piece can be used to make articles having diffractive features such as optical films having lenslets.
    Type: Grant
    Filed: January 5, 2007
    Date of Patent: December 8, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: Mark E. Gardiner, Jeffrey E. Clements, Mark R. Dupre