27-05-2021 дата публикации
Номер: US20210159102A1
Принадлежит:
Bake modules and related heaters for the processing of microelectronic workpieces, such as semiconductor substrates, are disclosed that include a plurality of resistance temperature detectors (RTDs) embedded into the heater to sense temperatures in different zones of the heater. Related methods are also disclosed. 1. A bake module , comprising:a heater configured to thermally treat a substrate mounted on or above an upper surface of the heater; anda plurality of resistance temperature detectors (RTDs) embedded within the heater prior to sintering the heater and configured to sense temperatures for different zones of the heater.2. The bake module of claim 1 , wherein the heater comprises a bake plate and/or a susceptor cap coupled to the bake plate claim 1 , and wherein at least one resistive heating element is embedded within the bake plate and configured to generate heat to thermally treat the substrate.3. The bake module of claim 2 , wherein the bake plate is formed from a ceramic material having a high thermal conductivity and a low coefficient of thermal expansion.4. The bake module of claim 2 , wherein the bake plate is formed from silicon nitride (SiN) claim 2 , SiAlON claim 2 , aluminum nitride (AlN) claim 2 , aluminum oxide (AlO) claim 2 , or boron nitride (BN).5. The bake module of claim 2 , wherein the at least one resistive heating element and the plurality of RTDs are formed from a metal material having a high melting point and a thermal coefficient of expansion that is greater than or equal to that of a ceramic material used to form the bake plate.6. The bake module of claim 2 , wherein the plurality of RTDs are formed from a metal material having a melting point greater than a sintering temperature of the heater.7. The bake module of claim 2 , wherein the at least one resistive heating element and the plurality of RTDs are formed from one or more of tungsten claim 2 , molybdenum claim 2 , a tungsten-molybdenum alloy claim 2 , a nickel alloy claim 2 , ...
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