Method, apparatus, and tools for precision polishing of lenses and lens molds
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United States of America Patent
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Issued Date -
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app pub date -
Jun 8, 2004
filing date -
May 16, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A tool, apparatus, and method for polishing objects having a wide variety of materials and shapes including precision optical surfaces, injection mold inserts, and thin film coating dies; and in particular, objects having deeply concave precision surfaces. The tool has a rotatably drive wheel engaged with a polishing wheel by use of a polishing foil formed as a flexible belt. The polishing wheel may have a cavity within, such cavity being inflatable using a variety of fluids having a range of physical properties. The polishing wheel is adjustably positionable against an object to be polished by actuating means joined thereto. The apparatus comprises a multi-axis computer controlled machine to which the tool is attached.
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