The controls of oxygen concentration and antimony concentration in {HEAD ~ the single crystal} 40 are carried out in a like manner in a case of {TAIL ~ no addition} of antimony 
The controls of oxygen concentration and antimony concentration in { HEAD ~ the single crystal } 40 are carried out in a like manner in a case of { TAIL ~ no addition } of antimony
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH