Film: Light Sensitivity
Emulsion: silver halides AgBr (AgCl, AgI)
AgBr + photon -> Br* + Ag
Br- + photon -> Br* + e-
Ag+ + e- -> Ag (binds to sublayer)
Development: Reduction of AgBr
AgBr + R -> Ag + RO + Br-
antiscratch layer
emulsion
sublayers
Base
(cellulose ester)
e.g triacetate
anti curl
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