Preferably, {HEAD ~ the predetermined thickness range} is in a range of {TAIL ~ about 10 nm} to about 150 nm 
Preferably , { HEAD ~ the predetermined thickness range } is in a range of { TAIL ~ about 10 nm } to about 150 nm
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH