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Direct exposure film - PowerPoint PPT Presentation

Base :The function of the film base is to support the emulsion.

X-Ray Film COMPOSITION X-ray film has two principal components: emulsion and base. The emulsion, which is sensitive to x rays and visible light, records the radiographic image. The base is a plastic supporting material onto which the emulsion is coated.

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1.24k views • 65 slides

Geometric Factors

Focal Spot. A. B. b. a. h. H. Object. c. Film. C. Object. Film. Geometric Factors. a b c h ---- = --- = --- = --- A B C H. Magnification Defined. Focal Spot. size of image -------------------- size of object. Object. Film (image).

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939 views • 65 slides

Sensitometry

Sensitometry. By Prof. Stelmark. The study of the relationship between the intensity of exposure of the film and the blackness after processing is called sensitometry . Knowledge of the sensitometric aspects of radiographic film is essential for maintaining adequate quality control.

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1.85k views • 26 slides

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Direct exposure film - PowerPoint PPT Presentation

Base :The function of the film base is to support the emulsion.

Geometric Factors

Sensitometry