Collimator definition

Collimator means a radiation shield that is placed on the end of the guide tube or directly onto a radiographic exposure device to restrict the size of the radiation beam when the sealed source is cranked into position to make a radiographic exposure.

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Collimator means a device or mechanism by which the x-ray beam is restricted in size.

Collimator means a device used to limit the size, shape, and direction of the primary radiation beam. For industrial radiography it means a radiation shield that is placed on the end of the guide tube or directly onto a radiographic exposure device to restrict the size of the radiation beam when the sealed source is cranked into position to make a radiographic exposure.

Examples of Collimator in a sentence

Xchange™ Robotic Collimator Changer Select Xchange Robotic Collimator Changer by marking the box below.
DESCRIPTION QTY (US$) (US$) - Calibration Factor in Gy/Monitor Unit - Output Factors in Water (Sc,p) - Percentage Depth Dose (PDD) or Tissue Phantom Ratio (TPR) Table Measured in a Water Phantom - Diagonal Profiles Measured in Water or Air at the Maximum Possible Field Size - Geometrical Penumbra Profile Measurements - Collimator Leakage/ Transmission - Leakage of MIMiC(R)vanes or MLC leaves taken into account - Corrections for dynamic MLC effects.
Secondary Collimator Kit — 5mm, 7.5 mm, 10 mm, 12.5 1 15 mm, 20 mm, 25 mm, 30 mm, 35 mm, 40 mm, 50 mm, 60 mm, Blank Incl.
Collimator body with radiation shielding Collimator body Tungsten body with 576 collimator channels.
The Contractor shall furnish all labor, including travel and per diem, materials, non-consumable supplies, transportation, equipment, and every other item of expense necessary to provide Collimator Installation at the California Institution for Women (CIW).

More Definitions of Collimator

Collimator means one of the following:

Collimator means a device for restricting the useful radiation in one or more directions.

Collimator means a device used to limit the size, shape, and direction of the primary radiation beam.

Collimator means a radiation shield of lead or other heavy metal which is placed on the end of a guide tube or directly onto a radiographic exposure device to restrict the size and shape of the radiation beam when the sealed source is moved into position to make a radiographic exposure.

Collimator means a device or mechanism by which the x-ray or gamma-ray beam is restricted in size.

Collimator means a device used to limit the radiation field. Beam-limiting devices are specific types of collimators.

Collimator means a device or mechanism by which the x-ray beam is restricted in size (see "Beam-limiting device").