In this way, the nickel elements are selectively introduced into a part of the amorphous silicon film, and a heat treatment is also conducted to allow crystal growth to proceed from that portion toward {HEAD ~ a direction} parallel to {TAIL ~ a substrate} 
parallel to
In this way , the nickel elements are selectively introduced into a part of the amorphous silicon film , and a heat treatment is also conducted to allow crystal growth to proceed from that portion toward { HEAD ~ a direction } parallel to { TAIL ~ a substrate }
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 REL REL TAIL TAIL TAIL TAIL TAIL TAIL