Real-time measurement of a surface charge profile of an electrostatic chuck
Abstract:
Methods and apparatus for measurement of a surface charge profile of an electrostatic chuck are provided herein. In some embodiments, an apparatus for measurement of a surface charge profile of an electrostatic chuck includes: an electrostatic charge sensor disposed on a substrate to obtain data indicative of an electrostatic charge on an electrostatic chuck; and a transmitter disposed on the substrate and having an input in communication with an output of the electrostatic charge sensor to transmit the data.
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