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US08367983B2 Apparatus including heating source reflective filter for pyrometry 有权
装置包括用于高温计的加热源反射滤光片

Apparatus including heating source reflective filter for pyrometry
Abstract:
Methods and apparatus for processing substrates and measuring the temperature using radiation pyrometry are disclosed. A reflective layer is provided on a window of a processing chamber. A radiation source providing radiation in a first range of wavelengths heats the substrate, the substrate being transparent to radiation in a second range of wavelengths within the first range of wavelengths for a predetermined temperature range. Radiation within the second range of wavelength is reflected by the reflective layer.
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