{HEAD ~ The metallic layer} 29 is obtained by using such a conventional technique as sputtering or {TAIL ~ thermal evaporation} 
{ HEAD ~ The metallic layer } 29 is obtained by using such a conventional technique as sputtering or { TAIL ~ thermal evaporation }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL