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