Emishini yezokwelapha, umtshina wephaneli wasefulethini uyingxenye ebalulekile, futhi ukusebenza kwawo kuthinta ngqo ikhwalithi yezithombe ezifakiwe. Kunemikhiqizo eminingi namamodeli we-Flat Panel Detactors emakethe, bese ukhetha umtshina ofanele udinga ukunakwa kumapharamitha amaningi okhiye. Lokhu okulandelayo kuyincazelo eningilizayo yemingcele eyisisekelo eyisikhombisa ye-DR FLAT PENTAL Storictors:
Usayizi we-Pixel: Kubandakanya ukulungiswa, ukulungiswa kwesistimu, ukulungiswa kwesithombe, kanye nesinqumo esiphezulu. Ukukhethwa kobukhulu be-pixel kufanele kususelwe ezivumelwaneni ezithile zokutholwa futhi akufanele kungaboni ngobuningi obukhulu be-pixel.
Izinhlobo zama-scintillators: Izinsiza ezijwayelekile ze-amorphon scintillator coatillator ezijwayelekile zifaka phakathi i-cesium iodide ne-gadinium oxysulfide. I-Cesium iodide inekhono eliqinile lokuguqula kepha izindleko eziphakeme, kanti uGadinium Oxysulfide unesivinini sokucabanga esisheshayo, ukusebenza okuzinzile, nezindleko eziphansi.
Ibanga le-Dynamic: libhekisela ebangeni lapho umtshina angalinganisa ngokunembile ukuqina kwemisebe. Ibanga elikhudlwana elinamandla, okungcono ukuzwela okuhlukile kungatholakala ngisho nasendabeni enkulu yokwehlukana okukhulu ekukhulumeni komsebenzi ohloliwe.
I-Sensitivity: Amandla wesiginali wokufaka wokufaka adingekayo ukuze umtshina athole amasiginali anqunywa yizinto eziningi ezifana nezinga le-X-ray Atterption.
Umsebenzi wokudlulisa we-Modulation (MTF): Imelela amandla omshini wokuhlukanisa imininingwane yesithombe. Lapho ephakeme i-MTF, ulwazi olunembe kakhudlwana imininingwane.
Ukusebenza kokutholwa kwe-Quantum: Kuchazwa njengokulinganiswa kwesikwele sokukhishwa kwesilinganiso sokuphuma kwesigcawu esikwele esigcawini sesilinganiselo sokufaka umsindo. Lapho i-DQE iphezulu, ikhwalithi efanayo yesithombe ingatholwa ngemithamo ephansi.
Ezinye izici zifaka umsindo, isilinganiso esinamsindo, isilinganiso esijwayelekile sesiginali-to-umsindo, ukuqina, isikhathi sokuphendula, kanye nomphumela wememori, okuthinta ikhwalithi ye-Image yomtshini.
Lapho ukhetha ama-Dr Flat Panel Detoctors, amapharamitha angenhla kufanele abhekwe ngokugcwele, futhi ukukhetha kufanele kwenziwe ngokusekelwe kwizimo ezithile zezicelo nezidingo.
Isikhathi Seposi: Nov-30-2024