Cleaning and liquid contact with solids – Processes – Including application of electrical radiant or wave energy...
Patent
1996-03-13
1998-09-22
Smith, Lynette F.
Cleaning and liquid contact with solids
Processes
Including application of electrical radiant or wave energy...
134 11, 134 13, 1566431, 1566561, 1566461, 1566571, 1566591, 156345, B08B 312, B08B 702, B44C 122, C03C 2506
Patent
active
058109374
ABSTRACT:
A method and apparatus for protecting a susceptor during a cleaning operation by loading a ceramic wafer onto the susceptor before introducing the cleaning agent into the chamber is provided. In particular, the ceramic wafer is chosen to have a dielectric value sufficient to alter the electromagnetic field of a plasma to spread the plasma away from the susceptor during a cleaning operation, directing more of the plasma towards the walls of the chamber.
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Gupta Anand
Murugesh Laxman
Ponnekanti Srihari
Rimple Gana A.
Applied Materials Inc.
Nelson Brett
Smith Lynette F.
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