What does film badge mean?
Definitions for film badge
film badge
This dictionary definitions page includes all the possible meanings, example usage and translations of the word film badge.
Wiktionary
film badgenoun
A piece of photographic film worn on the torso to act as dosimeter in order to record radiation exposure to the wearer.
Wikipedia
film badge
A film badge dosimeter or film badge is a personal dosimeter used for monitoring cumulative radiation dose due to ionizing radiation. The badge consists of two parts: photographic film and a holder. The film emulsion is black and white photographic film with varying grain size to affect its sensitivity to incident radiation such as gamma rays, X-rays and beta particles.After use by the wearer, the film is removed, developed, and examined to measure exposure. When the film is irradiated, an image of the protective case is projected on the film. Lower energy photons are attenuated preferentially by differing absorber materials. This property is used in film dosimetry to identify the energy of radiation to which the dosimeter was exposed. Some film dosimeters have two emulsions, one for low-dose and the other for high-dose measurements. These two emulsions can be on separate film substrates or on either side of a single substrate. Knowing the energy allows for accurate measurement of radiation dose. The device was developed by Ernest O. Wollan whilst working on the Manhattan Project, though photographic film had been used as a crude measure of exposure prior to this. Though film dosimeters are still in use worldwide there has been a trend towards using other dosimeter materials that are less energy dependent and can more accurately assess radiation dose from a variety of radiation fields with higher accuracy.
Dictionary of Military and Associated Terms
film badge
A photographic film packet to be carried by personnel, in the form of a badge, for measuring and permanently recording (usually) gamma-ray dosage.
Numerology
Chaldean Numerology
The numerical value of film badge in Chaldean Numerology is: 4
Pythagorean Numerology
The numerical value of film badge in Pythagorean Numerology is: 5
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"film badge." Definitions.net. STANDS4 LLC, 2024. Web. 24 Apr. 2024. <https://www.definitions.net/definition/film+badge>.
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