Home > Term: penumbra
penumbra
The region at the edge of a treatment field, over which the absorbed dose rate changes rapidly as a function of the distance from the radiation beam axis. The penumbra is caused by the shadowing effect of the collimator at the edge of the beam, by the siz.
- Jenis Kata: noun
- Industri / Domain: Peralatan medis
- Kategori: Perlengkapan radiologi
- Company: Varian
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Penulis
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