Patent Number: 7,398,715

Title: Method for using a cutting tool having variable rotation about a y-direction transversely across a work piece for making microstructures

Abstract: A cutting tool assembly having a tool post capable of lateral movement along a work piece to be cut and an actuator with a tool tip. The actuator provides for variable control of a rotation of the tool tip about an axis parallel to a y-direction transversely across the work piece for use in making microstructures in the work piece.

Inventors: Ehnes; Dale L. (Cotati, CA), Campbell; Alan B. (Santa Rosa, CA), Wertz; Daniel S. (Sebastopol, CA)

Assignee: 3M Innovative Properties Company

International Classification: B23B 1/00 (20060101); B23B 3/00 (20060101)

Expiration Date: 2020-07-15 0:00:00