New PDF release: Medical imaging: principles, detectors, and electronics

By Krzysztof Iniewski

ISBN-10: 0470391642

ISBN-13: 9780470391648

A must-read for a person operating in electronics within the healthcare region

This unique e-book addresses cutting-edge built-in circuit layout within the context of clinical imaging of the human physique. It explores new possibilities in ultrasound, computed tomography (CT), magnetic resonance imaging (MRI), nuclear drugs (PET, SPECT), rising detector applied sciences, circuit layout suggestions, new fabrics, and leading edge procedure ways.

Divided into 4 transparent elements and with contributions from a panel of overseas specialists, scientific Imaging systematically covers:

  • X-ray imaging and computed tomography–X-ray and CT imaging ideas; lively Matrix Flat Panel Imagers (AMFPI) for diagnostic scientific imaging functions; photon counting and integrating readout circuits; noise coupling in electronic X-ray imaging
  • Nuclear medicine–SPECT and puppy imaging ideas; low-noise electronics for radiation sensors

  • Ultrasound imaging–Electronics for diagnostic ultrasonic imaging

  • Magnetic resonance imaging–Magnetic resonance imaging rules; MRI know-how

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Extra info for Medical imaging: principles, detectors, and electronics

Sample text

A-Si inverted staggered TFTs can also be fabricated using a four-mask process where the nþ a-Si contact layer and the top source/drain Al metal are patterned via a combination of dry and wet etching using only one photolithographic mask. Introduction of the masking nitride layer into the TFT process increases the mask count to five and is a requirement of a wet-etch fabrication process used to fabricate in-house TFTs. 2. Nonoverlapped Electrode Process. A traditional coplanar imaging pixel process places the sensor and TFT beside each other on the imaging panel.

A cross section for a conventional nonoverlapped pixel process using an a-Se photoconductor appears in Fig. 7. Here, the sensor back electrode and a TFT shield are included on the same metallization. The Al shield is necessary to prevent charge from accumulating at the bottom of the a-Se film over the TFT channel, thus giving rise to a parasitic back channel that would degrade TFT leakage characteristics, and is discussed more in the next section. , PPS), further improvements in sensitivity can be achieved by a move toward vertically stacked pixel architectures.

Miyajima and K. Imagawa, CdZnTe detector in mammographic x-ray spectroscopy, Phys. Med. Biol. 47, 3959–3972, 2002. 10. H. , Characterization of large cadmium zinc telluride crystals grown by traveling heater method, J. Appl. Phys. 103, 014903, 2008. 11. K. , Charge sharing modeling in pixellated CZT detectors, IEEE NSS-MIC, Honolulu, 2007. 12. K. , CZT pixel scaling for improved spatial resolution in medical imaging, IEEE NSS-MIC, Dresden, 2008. 13. J. com. 14. E. com. 15. P. Grybos, Detector interface circuits for X-ray imaging, in Circuits at the NanoScale: Communications, Imaging and Sensing.

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Medical imaging: principles, detectors, and electronics by Krzysztof Iniewski


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