Apparatus and methods for motor shaft and heater leveling

Process chambers and methods for leveling a motor shaft and substrate support plane are described. The process chamber includes a motor shaft connected to the process chamber with a plurality of motor bolts. A first plurality of sensors is arranged at about the same radial distance from the rotation...

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Bibliographische Detailangaben
Hauptverfasser: Baluja, Sanjeev, Ulavi, Tejas, Agarwal, Ashutosh
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Process chambers and methods for leveling a motor shaft and substrate support plane are described. The process chamber includes a motor shaft connected to the process chamber with a plurality of motor bolts. A first plurality of sensors is arranged at about the same radial distance from the rotational axis and at different angular positions relative to the rotational axis and a second plurality of sensors are arranged to measure the support plane. An angle-dependent motor leveling profile is determined and shim values for the motor bolts are determined to level the motor shaft. The support plane is measured using the second plurality of sensors to level the support plane perpendicular to the motor shaft.