BACKUP PAD
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United States of America Patent
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Issued Date -
Jan 18, 2024
app pub date -
Nov 1, 2021
filing date -
Nov 6, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A method of tuning the contact pressure across an abrasive disc is presented. The method includes coupling the abrasive disc to a backup pad comprising a pressure tuning feature that causes an experienced pressure by a worksurface, across a radius of the abrasive disc, to be uniform. The method also includes abrading a worksurface by contacting the abrasive disc to the worksurface. The backup pad causes the abrasive disc to have a cut rate that is substantially uniform across the surface of the abrasive disc when compared to the abrasive disc on a backup pad with no pressure tuning feature.
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