Describe the principle components and differences of a computed
radiography unit (CR) and a digital radiography unit (DR), address
stationary and portable units.
(a) Describe the construction and operation of an indirect
digital radiography (DR) image receptor.
(b) Different types of phosphors (composition and structure)
can be used in such receptors. What two materials are generally
used in these phosphors?
(c) How do these two materials differ in their structure and
performance?
(d) What is meant by the modulation transfer function (MTF) of
an image receptor?
(e) How do the phosphor structures alluded to in (b) and (c)
above affect the MTF of...
Artifacts Discussion Radiography Class
Film handling errors are obsolete with digital imaging but
artifacts are still occurring.
In your first post, describe one artifact that would be the
technologist’s fault and a different artifact that could be
attributed to equipment failure.
Discuss an overview of the industry standard of radiation
exposure for nuclear workers. What are the advantages and
disadvantages of individual montoring for radiation exposure? What
industry standards place into the enforcement of individual
monitoring?