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Norm

ISO 9236-3:1999

Issue date: 1999 02 04

Photography — Sensitometry of screen/film systems for medical radiography — Part 3: Determination of sensitometric curve shape, speed and average gradient for mammography

This part of ISO 9236 specifies methods for determination of the sensitometric curve shape, average gradient and speed of a single sample of a screen/film/filmholder/proc...
Valid
Publisher:
International Organization for Standardization
Format:
Digital | 16 Pages
Language:
English

This part of ISO 9236 specifies methods for determination of the sensitometric curve shape, average gradient and

speed of a single sample of a screen/film/filmholder/processing system in mammography.

The filmholder may be any means which ensures close screen/film contact and prevents the film from being

exposed to ambient light. In particular, the filmholder may be a light-tight vacuum bag, as often used in the

laboratory, or a radiographic cassette as used in mammography.

NOTE — Hereafter, screen/film/filmholder combinations will be referred to as "combinations", and will be referred to as

"systems" when the processing is included.