Method of making a master tool
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United States of America Patent
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Jun 20, 2000
Issued Date -
N/A
app pub date -
Feb 26, 1999
filing date -
Sep 13, 1993
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides a master tool and method for making a master tool. The master tool includes a plurality of precise three-dimensional shapes upraised from the surface of the master tool. Each of the precise shapes is defined by a distinct and discernible boundary including specific dimensions, wherein not all said three-dimensional shapes are identical. The master tool of the present invention can be used to form a production tool containing a plurality of precise three-dimensional-shaped cavities. The production tool can be used in the manufacture of abrasive articles to shape an abrasive slurry into an array of precise three dimensional-shaped abrasive composites.
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