removing a part of an amorphous silicon film formed on {HEAD ~ a substrate} having {TAIL ~ an insulating surface} to form a region for introducing metal elements that promote crystallization of silicon 
having
removing a part of an amorphous silicon film formed on { HEAD ~ a substrate } having { TAIL ~ an insulating surface } to form a region for introducing metal elements that promote crystallization of silicon
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH