duplicate film

duplicate film

[′düp·lə·kət ′film]
(graphic arts)
Film generated in a camera containing a dual supply of film.
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References in periodicals archive ?
Genus: "Fujifilm have an excellent range of microfilms including 16, 35 and 105mm silver original films plus both positive and negative duplicate films. Fujifilm had their own digital writer film in the form of the AM-33 16mm x 30.5m (100ft) and AM-66 16mm x 65m (215ft) films.
Duplicate films were prepared by drying 12 [micro]L of this mixture onto IR-transparent [BaF.sub.2] substrates, and mid-IR absorption spectra were acquired at ambient temperature for the dry films (Bio-Rad FTS40A Fourier transform IR spectrometer operating at 4 [cm.sup.-1] resolution, with 512 scans averaged for both the sample and background spectra).