Machine QA
MiniPhantom with In-Air Comparison Jig Head-Scatter Measurement
Measure head-scatter factors down to a 3 cm x 3 cm field size simply and easily without side scatter from a water tank.
MiniPhantom with In-Air Comparison Jig Download:
MiniPhantom with In-Air Comparison Jig Overview
Versatile and Easy to Use
- Scribed lines help quickly align the collecting volume of the ion chamber.
- Stand positions the MiniPhantom horizontally for measuring beams.
Account For Stray Radiation
- Measure head-scatter factors with standard farmer-type ion chambers.
- Small phantom stand minimizes scatter and can be used as an in-air comparison jig, positioning two ion chambers side-by-side in a reproducible manner.
MiniPhantom
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REF 72208-C07MiniPhantom for Model A12 Exradin Farmer-type Chamber
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REF 72208-C10MiniPhantom for Model A12 Exradin Farmer-type Chamber with In-Air Comparison Jig
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Diameter3 cm (1.18 in)
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Length20 cm (7.87 in)
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Centroid of chamber volume10 cm from end of phantom
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MaterialWater-equivalent plastic
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Alignment MarkingFiducial marks denote chamber centroid of volume
In-Air Comparison Jig
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REF Number72193
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Height (Center Rod)40 cm (15.75 in)
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Height (Chamber Holder)2.22 cm (1 in)
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Width (Chamber Holder)6.35 cm (2.50 in)
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Length (Chamber Holder)2.22 cm (1 in)
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Chamber clamp size accommodationsFrom 1/4” to 1/2” diameter for in air comparisons
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Base33.02 cm (13 in) equilateral triangle
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Material (Center Rod)Carbon Fiber
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Material (Chamber Holder)Polycarbonate
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Material (Base)Acrylic
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Material (Screws)Nylon
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Alignment MarkingFiducial marks on clamp assist in laser alignment
