RADI 1130 DR/CR

What does the conductor layer do

the image scanner uses a red laser (HeNe)

When do you want to process a image in a CR room

Where does the analog signal from the TFTs go befire reaching the image processor in order for data to be processed?

support layer

What system uses cassette-less radiography

How many types of IRD is there

What system uses film less cassettes

How does a Computed Radiograph system work (CR)

What are the four components of a CR room

Whats does PACs stand for

What system uses imaging plates (IR)

What are 3 advantages of DR imaging over CR imaging

What systems use's a photo multipler tube (PMT)

a histogram is a graph that uses signal intensity vaules thats correspond to a spectrum of pixel values

What component is responsible for pre-processing functions

What is the phosphor layer

What is image display

What type of PACs system does nait use

What is image acquisition

what is image processing

What is the photomultiplier tubes function

the reflective layer sends light forward during reading and may be black to the decrease of light spread

what is image archiving

What is this?

What is the purpose of having lead or aluminum in the back of a CR cassette

what type of digital imaging system can be integrated into a room designed for FILM imaging

the light sheild layer is the 6th layer and it prevents light from erasing the image plate

DR direct aquisition uses amorphous selenium as a photoconductor which absorbs and inonizes free electrons

what does the color lay do

What are 3 disadvantages of DR imaging over CR imaging

Amorphous selenium is only present in a DR room

How many layers are present in a imaging plate

What type of light does the plate eraser use

DR (CCD technology) uses a radiosensitive rare earth element intensifying screen to convert x-rays to light

amorphous silicon is present in

What system uses cesium iodide

what does the IRD do

What component is shared by all direct imaging modalities

A pixel is the smallest element of the digital image

What is this?

What is the analog to digital convertors function

What systems use a X-Ray Tube

what is image analysis

What system uses a scintillator

DR indirect conversion

What is the protective layer of the imaging plate