100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
143 quiz 1 Questions with complete solution 2024/2025 $13.49   Add to cart

Exam (elaborations)

143 quiz 1 Questions with complete solution 2024/2025

 8 views  0 purchase
  • Course
  • AGN 143
  • Institution
  • AGN 143

143 quiz 1 Questions with complete solution 2024/2025 143 quiz 1 what is the active layer in a direct detector imaging plate? - correct answer amorphous selenium what is a direct detector? - correct answer uses amorphous selenium and a thin film transistor to convert incoming x-ray photo...

[Show more]

Preview 1 out of 3  pages

  • October 4, 2024
  • 3
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • 143 quiz 1
  • AGN 143
  • AGN 143
avatar-seller
flyhigher329
143 quiz 1
what is the active layer in a direct detector imaging plate? - correct answer
✔amorphous selenium


what is a direct detector? - correct answer ✔uses amorphous selenium and
a thin film transistor to convert incoming x-ray photons to an electronic digital
signal


how is the image formed in direct radiography - correct answer ✔-before
exposure, a high voltage charge is applied from the top surface of the
selenium layer
-the ionization caused by the x-ray photons results in the selenium atoms
freeing electrons for collection by the electrodes at the bottom of the selenium
layer
-charges are collected at a TFT and read line by line to the computer for
processing


types of indirect detectors - correct answer ✔1) flat panel (TFT)
2) charged coupled device


what do indirect detectors need that direct detectors do not? why? - correct
answer ✔scintillator to change the photons into light


TFT (what does it do) - correct answer ✔-thin film transistor
-collects the electric charges produced by either the selenium or silicon as an
array or matrix of pixel size detector elements


what does DEL stand for? - correct answer ✔detector element

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller flyhigher329. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $13.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

72042 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$13.49
  • (0)
  Add to cart