Fabrication of CdZnTe strip detectors for large area arrays

Carl Michael Stahle; Z. Q. Shi; K. Hu; Scott D. Barthelmy; S. J. Snodgrass; Lyle M. Bartlett; Peter K. Shu; Seppo J. Lehtonen; Katherine J. Mach

doi:10.1117/12.277669

7 July 1997 Fabrication of CdZnTe strip detectors for large area arrays

Carl Michael Stahle, Z. Q. Shi, K. Hu, Scott D. Barthelmy, S. J. Snodgrass, Lyle M. Bartlett, Peter K. Shu, Seppo J. Lehtonen, Katherine J. Mach

Author Affiliations +

Proceedings Volume 3115, Hard X-Ray and Gamma-Ray Detector Physics, Optics, and Applications; (1997) https://doi.org/10.1117/12.277669
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

A CdZnTe strip detector array with capabilities for arc second imaging and spectroscopy has been built as a prototype for a space flight gamma ray burst instrument. Two dimensional orthogonal strip detectors with 100 micrometer pitch have been fabricated and tested for a large area array (approximately 60 cm² with 36 detectors). Details for the fabrication and evaluation of the detectors are presented. Critical issues to be addressed include fabricating metal contacts with low leakage current and with excellent wire bonding yield, achieving high yield for good strips, and surface cleaning and passivation.

Citation Download Citation

Carl Michael Stahle, Z. Q. Shi, K. Hu, Scott D. Barthelmy, S. J. Snodgrass, Lyle M. Bartlett, Peter K. Shu, Seppo J. Lehtonen, and Katherine J. Mach "Fabrication of CdZnTe strip detectors for large area arrays", Proc. SPIE 3115, Hard X-Ray and Gamma-Ray Detector Physics, Optics, and Applications, (7 July 1997); https://doi.org/10.1117/12.277669

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