THEORY GUIDE
10DEC05
TG4825-1
Subsystem
Page
11 of 120
CASSETTE
Cassette Handling
Optical
Scan/Erase
Description
•
includes:
–
STORAGE PHOSPHOR
SCREEN that captures and stores the X-
ray image for processing
–
CASSETTE SHELL that holds the PLATE
•
available in 5 sizes and 3 resolutions (GP,
HR, and EHR)
•
loads the CASSETTE into the CR 825/850
SYSTEM
•
removes the PLATE from the CASSETTE
SHELL
•
after scanning, installs the PLATE in the
CASSETTE SHELL
•
allows the CASSETTE to be removed from
the CR 825/850 SYSTEM
•
controls and moves the laser beam to the
SCREEN
•
captures the blue light emitted from the
SCREEN
•
moves the PLATE at a uniform speed:
–
through the scanning area
–
to the erase position
•
removes the residual image on the SCREEN
by exposing it to intense light
•
inserts the PLATE into the CASSETTE
SHELL again
Equipment Description
See:
STORAGE
PHOSPHOR
CASSETTE
Cassette Handling
Optical
Scan/Erase