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Proceedings Paper

CCD soft x-ray imagers for ASCA and AXAF
Author(s): Barry E. Burke; Robert W. Mountain; Peter J. Daniels; M. J. Cooper; Victor S. Dolat
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Paper Abstract

We describe the development at Lincoln Laboratory of large-area CCD imager arrays for soft x-ray astronomy. One such array consists of four, closely abutted, 420 X 420-pixel CCDs for the ASCA (formerly Astro-D) satellite that was launched on February 20, 1993. The CCDs were fabricated on p-type 6500-(Omega) -cm material in order to attain the deep depletion depths needed for the higher-energy (> 4 keV) photons. The use of high- resistivity material and the effects of space-radiation are among the principal technical issues which will be discussed. We are also developing the next-generation CCD sensors for the Advanced X-ray Astrophysics Facility which is currently scheduled for launch in 1998. This mission will use two multichip focal planes comprising ten chips, each of a larger format (approximately 1000 X 1000 pixels). In addition to a new CCD, this program will require other technology developments such as an innovative packaging method for the nonplanar focal planes.

Paper Details

Date Published: 19 November 1993
PDF: 14 pages
Proc. SPIE 2006, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy IV, (19 November 1993); doi: 10.1117/12.162840
Show Author Affiliations
Barry E. Burke, Lincoln Lab./MIT (United States)
Robert W. Mountain, Lincoln Lab./MIT (United States)
Peter J. Daniels, Lincoln Lab./MIT (United States)
M. J. Cooper, Lincoln Lab./MIT (United States)
Victor S. Dolat, Lincoln Lab./MIT (United States)


Published in SPIE Proceedings Vol. 2006:
EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy IV
Oswald H. W. Siegmund, Editor(s)

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