Term
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Definition
Used to Increase the efficiency of X-ray absorbtion and decrease the dose to the patient.
- Converts a single xray photon into thousands of low energy light photons |
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Term
| Layers of an Intensifying Screen |
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Definition
- base
- reflective layer
- phosphor layer
- protective coat
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Term
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Definition
| provides support for the other components of the screen. It is flexible yet rigid, tough and chemically inert and is uniformly radiolucent. |
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Term
| Intensifying screen REFLECTIVE LAYER |
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Definition
| Made up of special reflective material such as magnesium oxide or titanium dioxide that is approx 25 µm thick. The reflective layer redirects the light from the phosphor toward the the film, thereby increasing the efficency of the intensifying screens |
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Term
Intensifying screen Phosphor Layer
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Definition
| This is the "active" layer. made up of crystals embedded in a clear plastic support layer. |
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Term
| intensifying screen PROTECTIVE COAT |
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Definition
| This is a thin plastic layer about 25 µm thick that protects the phosphor layer from abrasion. It can not withstand scratches from fingernails, rings or other hard objects. |
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