Assertion: collimator | /r/HasProperty | positioned
Facets:
value: accurately
type: MANNER
value: next to a patient
type: LOCATION
value: on the surface of crystal
type: LOCATION
value: directly
type: MANNER
Source sentences:
text: The collimator should be positioned so that the beam waist is coincident with the entrance pupil of the scan lens.
text: On the surface of crystal a collimator is place to "focus" the incoming photons
text: Because the collimator is placed directly next to a patient, impact from patient movement or the gantry is inevitable.
text: In addition to the supply of collimators the company with our partners T Booth Engineering Ltd can also manufacture a variety of mounting systems and sub tables to enable the collimators to be accurately positioned.