La. Admin. Code tit. 4 § XVII-1503
Aperture Card - card with a rectangular opening(s) into which 16mm/35mm microfilm frames can be inserted, mounted, or pre-mounted.
Batch -a quantity of chemicals or film which has been prepared at one time, and which has been identified through labeling or through other means by the manufacturer as a batch or lot.
CAD (Computer Assisted Design) -a method of creating microimages by computer-driven laser.
Convenience Film -m icrofilm copies of records created only for convenience of use and considered non records under R.S. 44:1.
Declaration by the Camera Operator -a target photographed on film following the filmed records that provides identification of beginning and ending records on the film; signature of the camera operator; date the declaration was filmed; and reduction range, if more than one ratio has been used.
Diazo -a photographic film containing one or more photosensitive layers composed of diazonium salts in a polymeric material which react with coupler(s) to form an azo dye image after film processing.
Duplicate Microfilm -a microfilm copy made from the original or master negative. Can be silver, diazo or vesicular film.
Essential Record -any agency record necessary to resume or continue an agency's business; to recreate its legal and financial status; and to preserve the rights of the agency, its employees, and its clients.
Microfilm -roll microfilm, microfiche, computer output microfilm (COM), and all other formats produced by any method of microphotography or other means of miniaturization on film.
Microfilm Container -generic term for any enclosure in close or direct contact with film such as a reel, can, bag, folder, sleeve (sheath), jacket, envelope, window mount or mat, slide mount, carton, cartridge, cassette, and aperture card.
Microfilming -the methods, procedures, and processes used to produce microfilm.
Original Microfilm -f irst generation of film produced when records are filmed.
Silver Original -f irst generation silver-gelatin film or other archival quality film.
La. Admin. Code tit. 4, § XVII-1503