Principles of {TAIL ~ the invention} provide {HEAD ~ techniques} for the deposition of hydrogenated thin films such as hydrogenated silicon 
Principles of { TAIL ~ the invention } provide { HEAD ~ techniques } for the deposition of hydrogenated thin films such as hydrogenated silicon
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH