Question 2745
{"accessible":false,"alternatives":[{"id":13401,"text":"charge coupled device"},{"id":13402,"text":"computed radiograph"},{"id":13403,"text":"indirect thin film transistor array"},{"id":13404,"text":"screen film radiograph"}],"archived":false,"correctAlternativeId":13402,"explanation":"\u003cp\u003eComputed radiography systems do not require the conversion of incident x-ray photons to light photons. The energy used to fill F centers with electrons comes directly from the incident x-ray photons.\u003c/p\u003e","id":2745,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2745","nextQuestionPath":"/articles/digital-radiography/questions/797","relatedArticles":[{"id":53393,"title":"Computed radiography","link":"/articles/computed-radiography?lang=us"},{"id":60498,"title":"Direct digital radiography","link":"/articles/direct-digital-radiography?lang=us"},{"id":31492,"title":"X-ray film","link":"/articles/x-ray-film?lang=us"},{"id":166740,"title":"Characteristic curve","link":"/articles/characteristic-curve?lang=us"}],"alsoUsedIn":[{"id":1563,"kind":"RestrictedPage","title":"Page 1563 (in no courses)","link":"https://radiopaedia.org/admin/restricted_pages/1563"},{"id":2007,"kind":"Course","title":"Imaging Physics: X-ray - page 2007","link":"https://radiopaedia.org/courses/imaging-physics-x-ray/pages/2007"},{"id":2007,"kind":"Course","title":"Imaging Physics: X-ray peer review - page 2007","link":"https://radiopaedia.org/courses/imaging-physics-x-ray-peer-review/pages/2007"}],"stem":"\u003cp\u003eWhich of the following detector systems does \u003cstrong\u003eNOT\u003c/strong\u003e require a scintillator layer?\u003c/p\u003e","menuLinks":[{"text":"Report problem with question","url":"https://docs.google.com/forms/d/e/1FAIpQLSfO3soWYhOjJ7yErSysyCe5V4A1CqW7WK3rDA7MtAkecMGqNw/viewform?entry.1624461248\u0026entry.553583435=https://radiopaedia.org/questions/2745"}],"attemptsPercentages":[{"alternativeId":"13402","percentage":47},{"alternativeId":"13404","percentage":17},{"alternativeId":"13401","percentage":23},{"alternativeId":"13403","percentage":14}],"promptToLogin":false,"questionManager":false,"articleId":"digital-radiography"}