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