In film restoration, a process which involves coating either or both surfaces of a film with lacquer. Can also be a thin deposited surface on a lens, used to reduce flare. Important in projection and optical printing.

Coating motion picture film fills up scratches and presents a new smooth surface, so that in copying the visibility of scratches is reduced. Now superseded by wet gate printing.

Audio & Video

Also refers to the application of magnetic layers and back-treatment for the manufacture of magnetic tapes and discs.


Brown, H., 1985, Basic Film Handling, in FIAF Technical Manual First Edition, FIAF Preservation Commission, Federation Internationale des Archives du Film, Brussels, Belgium