Charactrerisation of Medipix2 edgeless pixel detectors
Autor: | Kalliopuska, Juha, Eränen, Simo, Virolainen, Tuula |
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Jazyk: | angličtina |
Rok vydání: | 2010 |
Předmět: | |
Zdroj: | Kalliopuska, J, Eränen, S & Virolainen, T 2010, ' Charactrerisation of Medipix2 edgeless pixel detectors ', Paper presented at 5th "Trento" Workshop on Advanced Silicon Radiation Detectors, Manchester, United Kingdom, 24/02/10-26/02/10 . |
Popis: | VTT has developed a straightforward and fast process to fabricate edgeless (active edge) microstrip and pixel detectors on 6" (150 mm) wafers. The presentation summarizes the fabrication process of 150 ?m thick p-on-n and n-on-n prototypes having dead layer at the edge below a micron. Electrical and radiation response characterization of 1.4x1.4 cm2 edgeless detectors has been done by coupling them to the Medipix2 readout chips. The leakage currents were measured to be ~90 nA/cm2. Radiation response characterization includes a X-ray tube and source responses. These results show that the edge response depends dramatically on the active edge distance from the nearest pixels. |
Databáze: | OpenAIRE |
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