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Techniques in Fabrication of Flexible Circuits

Abstract: EXO-200 is an ultra-low background double beta decay experiment. Itís main physics goal is the search for neutrinoless double beta decay of 136Xe. The EXO-200 inner detector assembly is currently ongoing on the Stanford campus, and will be installed and run underground at the WIPP salt mine in New Mexico next year. One of itís toughest challenges is to reach low enough radioactive background in its constituents to allow for the observation of such extremely rare events with good sensitivity. This talk focuses on the technical aspects of the custom-made flat cables, designed and produced with the strictest radioactivity budget possible. I will illustrate the design arguments for such cables, the material selection process and qualification, the production campaign and technology, and show pictures of the assembly and installation process.
Speaker: Andrea Pocar - Stanford University
Speaker Bio: Andrea Pocar is a postdoc at Stanford working on the EXO double beta decay experiment. He graduated from the University of Milan working on silicon pixel detectors for ATLAS. After a brief period spent at UC Santa Cruz developing silicon strips for GLAST, he settled on neutrino physics. He obtained his Ph.D. from Princeton working on the Borexino solar neutrino experiment at Gran Sasso. He has a specific expertise is building large, ultra-low background neutrino detectors, which he refined during his Stanford tenure. He will move to the University of Massachusetts, Amherst, as an assistant professor, in January
Poster Link: Poster
Presentation: Presentation on 12/10/2008 (PDF)