bipack


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bipack

[′bī‚pak]
(graphic arts)
A photographic film composed of two sensitive emulsions; each is sensitive to a different color when exposed simultaneously.
References in periodicals archive ?
3) Bipack film is another name for integral tripack film, whose three-layer emulsion Bazin describes.
Panchromatic negative film is used in the camera as the rear component of a bipack in which the front film is a positive yellow dye image of the background scene.
The Bipack has a diverter on the automatic infeed which puts Nichol's PET bottles - 2,3,4 and 5 litre square and rectangular containers, into lanes prior to collation after which they are automatically wrapped in cases or trays which are then glued by a hot-melt gluing system.