THEORY GUIDE STORAGE PHOSPHOR CASSETTE
10DEC05
TG4825-1
Page
33 of 120
STORAGE PHOSPHOR CASSETTES include:
Component Description
CASSETTE SHELL The SHELL has a CARBON FIBER FRONT and an aluminum BACK.
The SHELL is open on one side for removal of the PLATE. A LATCH
on the inside of the PLATE holds it in place inside the SHELL.
PLATE Includes:
• STORAGE PHOSPHOR SCREEN - made of an ESTAR BASE
with a layer of PHOSPHOR PARTICLES suspended in a
POLYMER BINDING, a light-absorbing black BACKING, and a
LEAD BACKSCATTER LAYER. The PHOSPHOR LAYER has a
COATING that extends beyond the edge of the PHOSPHOR to
protect the PHOSPHOR from damage.
• BACKING - a rigid aluminum “honeycomb” PANEL that makes
inserting the SCREEN into the CASSETTE SHELL easier.
• 2 hard plastic STRIPS - fastened to the back side of the PLATE to
make the thickness of the PLATE the thickness of the PLATE
NOSEPIECE. This uniform thickness allows the PLATE GUIDE
ROLLERS to move smoothly on the back of the PLATE.
BAR CODE LABEL Each CASSETTE has a BAR CODE LABEL on the SIDE-1
EXTRUSION. The BAR CODE LABEL identifies the CASSETTE.
SIDE-1 EXTRUSION The edge of the PLATE with the LATCH. The EXTRACTION BAR
HOOKS insert into the LATCH to remove the PLATE from the
CASSETTE SHELL.
PLATE NOSEPIECE Plastic edge on the PLATE that guides the PLATE back into the
CASSETTE SHELL.
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