3. 1.1 Materials - Materials required under this specification include photo-
graphic film, a Film-Tape spool and a Film-Tape container. The Film-
Tape mate rial shall be Eastman Kodak ( 19139) Kodalith Ortho film, Type 3,
Estar Thin base, Code 3556, Spec 997 or equivalent.
3. 1.2 Processes - To minimize variations in the properties of the Film-
Tapes, processing should be automated to the maximum extent feasible.
Any development chemistry is permissible if, as a result, the Film-Tapes
Processed film shall be treated for
have the properties specified herein.
moisture and fungus resistance in accordance with Westinghouse document
3.2 Design and Processing - The Film-Tapes shall be designed to with-
stand strains, jarring, vibrations, and other conditions incident to shipping,
The Film-Tapes shall be designed to
storage , installation and service,
function satisfactorily uncle r the operating conditions, temperatures,
relative humidity, and length of life as specified in the following paragraphs.
3. 2.1 Operational Stability - The Film-Tape shall be capable of continuous
cycling for 24 hours at a rate of 10 frames per second with no degradation of
(A cycle is defined as the continuous passage and return of a
minimum of 900 frames through tape transport assembly as specified in 4. 8). I
3. 2.2 Operating Life - The Film- Tapes shall have a minimum total
operating life of 1, 500 cycles as defined in 3.2. 1.
3. 2.3 Interchangeability - All Film- Tapes having the same identification
shall be completely interchangeable.
3. 2.4 Standard Conditions - The following conditions shall be used to
establish normal performance characteristics under standard conditions
and for making laboratory bench tests:
Temperature - Room ambient 30 + 10" C (86 + 18° F)
Altitude - Normal Ground
Vibration - None
Humidity - Room ambient up to 95 percent
relative humidity (RH)