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Proceedings Paper

Large-format CCDs for astronomical applications
Author(s): John C. Geary
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Paper Abstract

Several large-format CCDs have been designed and are in process at the Loral Aeronutronics fabrication plant. One is an edge-buttable 2048 X 2048 device that will allow a 2 X 2 array to be formed with an imaging area measuring more than 61 mm on a side and with only 400 microns dead space between arrays. Another is a 3072 X 1024 CCD with both floating diffusion and non-destructive read floating gate amplifiers. Also included are smaller arrays of 2688 X 512 and 1200 X 800 in the chords of the wafers. All of these designs were accomplished by a non-specialist scientist using AutoCAD on an inexpensive PC, a level of customer interaction with CCD manufacturing not previously available.

Paper Details

Date Published: 1 December 1991
PDF: 10 pages
Proc. SPIE 1439, International Conference on Scientific Optical Imaging, (1 December 1991); doi: 10.1117/12.50456
Show Author Affiliations
John C. Geary, Smithsonian Astrophysical Observatory (United States)


Published in SPIE Proceedings Vol. 1439:
International Conference on Scientific Optical Imaging

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