Shoulder-lifting edulcoration method in monocrystal production process
A production process, single crystal technology, applied in the direction of single crystal growth, single crystal growth, crystal growth, etc., can solve the problems of affecting the yield of single crystal, low production efficiency, etc., to reduce the number of lifting shoulders, improve production efficiency, improve The effect of single crystal yield
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[0006] The present invention will be further described below in conjunction with specific examples.
[0007] After hoisting one or two shoulders during the single crystal straight pull process, keep the power value of the single crystal furnace at the shoulder power, and then enlarge the shoulders that have been removed, and automatically equalize to 4-9 cm in diameter; then exit the automatic Isometric state, change to manual state, increase the power value to 60-90 kilowatts, set the crystal rotor at 1-3 rpm, and the crucible at 1-3 rpm, and put the equal-diameter 4-9 cm long The polycrystalline is melted back, and after 50-70% of the crystal is melted, the power value is reduced to 40-60 kilowatts, so that the crystal is slowly melted into a "peach shape" and can be lifted.
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