An insulating layer, such as {HEAD ~ a silver halide film}, having {TAIL ~ the capability} of absorbing the silver film under irradiation or upon heating is deposited over the silver film 
An insulating layer , such as { HEAD ~ a silver halide film } , having { TAIL ~ the capability } of absorbing the silver film under irradiation or upon heating is deposited over the silver film
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH