TEMPERATURE CONTROL DEVICE FOR SINGLE CRYSTAL INGOT GROWTH AND TEMPERATURE CONTROL METHOD APPLIED THERETO

    公开(公告)号:US20190211471A1

    公开(公告)日:2019-07-11

    申请号:US16242973

    申请日:2019-01-08

    摘要: The present invention relates to a temperature control device for growing a single crystal ingot capable of accurately measuring a temperature of a silicon melt and quickly controlling to a target temperature during an ingot growing process, and a temperature control method applied thereto.The present invention provides a temperature control device for growing a single crystal ingot, which controls an operation of a heater for heating a crucible configured to accommodate a silicon melt, the device including: an input unit configured to measure a temperature of the silicon melt accommodated in the crucible and process the measured temperature of the silicon melt; a control unit configured to perform a proportional-integral-derivative (PID) calculation of one of the measured temperature T1 and the processing temperature T2 of the input unit and a set target temperature T0 and calculate as an output of the heater; and an output unit configured to input the output of the heater calculated in the control unit to the heater.