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020 ▼a 9780438126183
035 ▼a (MiAaPQ)AAI10903012
035 ▼a (MiAaPQ)umichrackham:001193
040 ▼a MiAaPQ ▼c MiAaPQ ▼d 248032
0491 ▼f DP
0820 ▼a 610
1001 ▼a Liang, Albert K.J.
24510 ▼a Investigation of the Performance of Photon Counting Arrays Based on Polycrystalline Silicon Thin-Film Transistors.
260 ▼a [S.l.] : ▼b University of Michigan., ▼c 2018
260 1 ▼a Ann Arbor : ▼b ProQuest Dissertations & Theses, ▼c 2018
300 ▼a 123 p.
500 ▼a Source: Dissertation Abstracts International, Volume: 79-12(E), Section: B.
500 ▼a Adviser: Larry E. Antonuk.
5021 ▼a Thesis (Ph.D.)--University of Michigan, 2018.
520 ▼a Projection x-ray imaging is commonly employed to visualize internal human anatomy and used to produce diagnostic images. Modern projection imaging is typically performed using an active matrix, flat panel imager that is comprised of a converter
520 ▼a Recently, imagers employing a second method for creating x-ray images -- referred to as photon counting -- have been developed and used to perform mammographic imaging (a form of projection imaging). Photon counting involves measuring the energy
520 ▼a Current photon counting mammographic imagers are based on crystalline silicon and are limited in detection area. In order to produce an image, the array is moved in a scanning motion across the object of interest. A photon counting imager with l
520 ▼a Using poly-Si, a set of prototype arrays have been designed and fabricated. The design of the arrays consists of four components: an amplifier, a comparator, a clock generator, and a counter. Several circuit variations were created for each comp
520 ▼a For the amplifier component, all circuit variations were determined to have an energy resolution of &sim
590 ▼a School code: 0127.
650 4 ▼a Biomedical engineering.
690 ▼a 0541
71020 ▼a University of Michigan. ▼b Biomedical Engineering.
7730 ▼t Dissertation Abstracts International ▼g 79-12B(E).
773 ▼t Dissertation Abstract International
790 ▼a 0127
791 ▼a Ph.D.
792 ▼a 2018
793 ▼a English
85640 ▼u http://www.riss.kr/pdu/ddodLink.do?id=T15000519 ▼n KERIS
980 ▼a 201812 ▼f 2019
990 ▼a 관리자 ▼b 관리자