Single crystal ingot growth control device
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United States of America
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Jul 23, 2024
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N/A
app pub date -
Jan 20, 2020
filing date -
Jan 20, 2020
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Abstract
A single crystal ingot growth control device includes: an input unit that receives a diameter error that is a difference value between a measured diameter of the ingot and a target diameter; a calculation unit that performs integral calculation on the diameter error received by the input unit in real time and calculates a final pulling speed for each set time that is increased stepwise by reflecting the diameter error integral value, and an output unit that outputs the final pulling speed calculated by the calculation unit to a pulling controller during the set time.
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