However, in {TAIL ~ the present embodiment} {HEAD ~ 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 a predetermined program stored in the controller 8 
in
However , in { TAIL ~ the present embodiment } { HEAD ~ 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 a predetermined program stored in the controller 8
OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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