Hercules® uses a special sensor in a coaxial geometry (50 Ohm) inserted into the wall (flange) of the recipient as a virtual part of the wall and does not influence plasma. Calibration depending on the sensor position is not necessary. Sensors:
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The sensor is specifically depending on the etch and deposition tool. Plasmetrex GmbH delivers sensors for APPLIED MATERIALS® :
LAM®:
Novellus:
Standard flanges:
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