Vacuum processing apparatus
A vacuum processing apparatus for plasma processing a sample, by controlling the temperature distribution, the RF bias and the electrostatic adsorption bias of the sample table, wherein the sample table comprises a plurality of sample table blocks (first, second, third, and nth sample table blocks)...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A vacuum processing apparatus for plasma processing a sample, by controlling the temperature distribution, the RF bias and the electrostatic adsorption bias of the sample table, wherein the sample table comprises a plurality of sample table blocks (first, second, third, and nth sample table blocks) divided from the sample table circumferentially, that is, coaxially or radially into a plurality of portions each in a structure independent electrically and heat conductively, and each of the sample table blocks has a unit for conducting independent control for each of the temperature, the RF bias, or the pressure at the wafer rear face of the wafer. |
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