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