Production of 64/spl times/64 hybrid semiconductor detector arrays for biomedical applications
Over the past year, we have produced 21 hybrid semiconductor arrays. Each hybrid is composed of a 64/spl times/64 readout integrated circuit, indium bump bonded to a pixelated semiconductor array made of CdZnTe or CdTe. The focus of this effort has been to produce a few nearly perfect devices for us...
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| creator | Bradford Barber, H. Hunter, W.C.J. Peterson, T.E. Parker, B.H. Woolfenden, J.A. |
| description | Over the past year, we have produced 21 hybrid semiconductor arrays. Each hybrid is composed of a 64/spl times/64 readout integrated circuit, indium bump bonded to a pixelated semiconductor array made of CdZnTe or CdTe. The focus of this effort has been to produce a few nearly perfect devices for use in planar spot-imaging systems and a small-animal SPECT imager. We have succeeded in producing a few arrays with >99% functional pixels that can approximate a perfect detector if small numbers of bad pixels are removed by smoothing with nearest-neighbor pixels. The key to this effort is careful selection of detector materials using infrared transmission mapping and gamma-ray response mapping, as well as the limitation of pixel losses in the fabrication process. |
| doi_str_mv | 10.1109/NSSMIC.2001.1009732 |
| format | Conference Proceeding |
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| identifier | ISSN: 1082-3654 |
| ispartof | 2001 IEEE Nuclear Science Symposium Conference Record (Cat. No.01CH37310), 2001, Vol.2, p.1045-1049 vol.2 |
| issn | 1082-3654 2577-0829 |
| language | eng |
| recordid | cdi_ieee_primary_1009732 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Bonding Focusing Gamma ray detection Gamma ray detectors Hybrid integrated circuits Indium Infrared detectors Production Sensor arrays Smoothing methods |
| title | Production of 64/spl times/64 hybrid semiconductor detector arrays for biomedical applications |
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