beam alignment

beam alignment

(in radiography) the process of positioning the radiographic tube head so that it is aligned properly with the x-ray film.
References in periodicals archive ?
Tenders invited for Supply of Beam alignment equipement
The American Dental Association (ADA) recommended the use of a beam alignment device and rectangular collimation when exposing intraoral radiographs.
According to the company, the speciality waveguide designed for medical laser applications integrates mid-infrared laser power delivery and visible aiming beam alignment.
The items checked by Skoda technicians will comprise lights - for any blown bulbs and beam alignment - wiper blades, windscreen washer fluid, brakes, air-conditioning, battery and tyres.
The items checked by koda technicians will comprise lights for any blown bulbs and beam alignment wiper blades, windscreen washer fluid, brakes, air-conditioning, battery and tyres.
The checklist focuses on the key areas of a vehicle that may suffer the most during the winter months: 1 Lights These are inspected for any blown bulbs and incorrect beam alignment.
By placing this optically clear device into the path of a UV laser, beam characteristics such as laser mode structure, beam shape, and beam alignment can be easily observed.
A total of six xray machines (5 static and 1 mobile units) were evaluated for x-ray beam alignment with the light beam diaphragm.
Precision laser beam alignment involves adjusting the beam to accurately maintain the correct relationships between the beam location within the laser component apertures it passes through, the beam direction, and the target.
A breakaway feature keeps debris from entering the beam path and allows beam alignment checking without head removal.
In contrast, the ROC is wavelength independent, which allows more accurate beam alignment.
Traditionally, small shifts in patient positioning or radiation beam alignment during treatment can result in damage to normal tissues surrounding the tumor.