What effect does changing the target material have on the X-rays that are formed?

Effect of changes in the target materials: The target (anode) material affects the efficiency of Bremsstrahlung radiation production, with output exposure roughly proportional to atomic number. As the Z number of target increases the amount of Bremsstrahlung radiation produced also increases.

What happens to an X-ray spectrum when the tube voltage is changed?

The increase in x-ray tube voltage increases the amount of radiation coming out of the x-ray tube, as well as the average photon energy (i.e., increased penetration). For a more penetrating beam, less radiation is required at the patient entrance to achieve the required intensity at the imaging plate (i.e., 7 mGy).

What effect voltage and current have on the production of X-rays in X-ray tubes?

Increasing the tube current (low voltage one!) Increases the rate of thermionic emission – more electrons hit the target – more X-rays produced.

What happens to current when voltage increases in Xray tube?

The increase in x-ray tube voltage increases the amount of radiation coming out of the x-ray tube, as well as the average photon energy (i.e., increased penetration). Accordingly, the tube current exposure time product value (mAs) is reduced to 36 mAs; whereas at 60 kV, the value was much higher (141 mAs).

What is the construction of the X-ray tube?

Construction of the x-ray tube The x-ray tube contains two principal elements: filament (also acts as cathode): boils off electrons by thermionic emission target (also acts as anode): electrons strike to produce x-rays

How do you increase the fluorescence of an X-ray?

The higher the atomic mass, the greater the fluorescence of the target material. Depending on the application, the target material used is selected by the x-ray energy level requirements. Adding a filter: Filters are used to attenuate the low-energy x-ray photons from the x-ray beam.

What is the purpose of using filters in Xray?

Adding a filter: Filters are used to attenuate the low-energy x-ray photons from the x-ray beam. These low-energy photons do not readily penetrate through the subject, thus increasing the absorbed dosage. The use of a filter improves the “quality” of the x-ray beam.