Abrading – Abrading process – Glass or stone abrading
Patent
1998-06-17
1999-11-30
Eley, Timothy V.
Abrading
Abrading process
Glass or stone abrading
451 44, 451 59, 451 63, B24B 100
Patent
active
059932937
ABSTRACT:
In semiconductor wafer polishing, a backing pad is sized smaller than the wafer being polished so as to produce a desired backset, allowing the wafer to bend, thereby reducing over-polish at the wafer edge.
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Cesna Joseph V.
Kim Inki
Derry, Jr. Willie
Eley Timothy V.
Speedram Corporation
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