Correction of fabricated shapes in additive manufacturing using modified edge
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United States of America Patent
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Aug 10, 2021
Grant Date -
Nov 29, 2018
app pub date -
Jan 17, 2018
filing date -
May 25, 2017
priority date (Note) -
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Abstract
A method of fabricating a polishing pad using an additive manufacturing system includes depositing successive layers by droplet ejection to form the polishing pad. The polishing pad includes a polishing surface having one or more partitions separated by one or more grooves. Depositing a layer of the successive layers includes dispensing first regions corresponding to edges of the one or more partitions by a first droplet ejection process. After curing the first regions, a second region corresponding to interior of the one or more partitions is dispensed between the edges by a different second droplet ejection process.
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