A method of manufacturing a spacer for {HEAD ~ a substrate} having {TAIL ~ a gate structure} formed thereon 
having
A method of manufacturing a spacer for { HEAD ~ a substrate } having { TAIL ~ a gate structure } formed thereon
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH