Digital Ch 5

Front

Name the xray absorbing material used for direct image capture method.

Back

photoconductors

Front

Which of the following are a type of photoconductor? a-Se, Gd2O2S, CsI[TI], a-Si:H

Back

a-Se

Front

Which of the following material is used in the indirect capture method? photoconductor, Photodetector, Photodiode, scintillator

Back

scintillator

Front

Which scintillator uses crystalline needles?

Back

CsI

Front

Which of the following x-ray absorbing material has no light spread?
Cesium Iodide, Gadolinium, Amorphous selenium, Amorphous silicon

Back

Cesium Iodide

Front

Which of the following x-ray absorbing material is "unstructured" ? CsI, a-Se, a-Si, Gd2O2S

Back

Gd2O2S

Front

A phosphor scintillator requires a ________ to detect the light.

Back

Photodiode

Front

As the detector ages, the number of dead pixels _______.

Back

increases

Front

Manufacturers make efforts to maintain a standard of less than _______ defective pixels.

Back

0.1%-0.2%

Front

______ ______ is used to correct flaws in the detector.

Back

gain calibration