{HEAD ~ The method} 21 wherein said diffusion in {TAIL ~ said composite film} is photolytically activated by focussed beam irradiation 
{ HEAD ~ The method } 21 wherein said diffusion in { TAIL ~ said composite film } is photolytically activated by focussed beam irradiation
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH