| This paper studies the basic method of crystal growth , Field Controlling System and the apply of computer on crystal growth.. And also researches the need of hardware and software by computer on control of crystal growth is been researched. Using the meter of the industrious control (AI-808)which is produced by the Yu Guang Inc in Xia Men and conversion device are building the hardware structures of the controlling system. This paper adopts the technology of facing object programme in VC++ .And the programme is designed to control the temperature and the progress in the crystal growth in order to accomplish the control and record of the temperature last. This paper studies the technology of controlling and real time collecting to the temperature data of the crystal growth by adopting computer.
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