However, in the present embodiment the shifting operation of the feeder unit 5 is controlled by the controller 8 in a manner such that the velocity of the feeder unit 5 in direction B, that is, the feed rate of the single crystal ingot 6 is varied in accordance with {HEAD ~ a predetermined program} stored in {TAIL ~ the controller} 8 
stored in
However , in the present embodiment the shifting operation of the feeder unit 5 is controlled by the controller 8 in a manner such that the velocity of the feeder unit 5 in direction B , that is , the feed rate of the single crystal ingot 6 is varied in accordance with { HEAD ~ a predetermined program } stored in { TAIL ~ the controller } 8
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH