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CMOS thermal-diffusivity temperature sensor based on polysilicon
CMOS thermal-diffusivity temperature sensor based on polysilicon
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机译:基于多晶硅的CMOS热扩散温度传感器
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摘要
The disclosed embodiments relate to the design of a temperature sensor, which is integrated into a semiconductor chip. This temperature sensor comprises an electro-thermal filter (ETF) integrated onto the semiconductor chip, wherein the ETF comprises: a heater; a thermopile, and a heat-transmission medium that couples the heater to the thermopile, wherein the heat-transmission medium comprises a polysilicon layer sandwiched between silicon dioxide layers. It also comprises a measurement circuit that measures a transfer function through the ETF to determine a temperature reading for the temperature sensor.
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