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Proceedings Paper

Design aspects and characterization of EEV large-area CCDs for scientific and medical applications
Author(s): Peter J. Pool; W. A.F. Suske; John E.U. Ashton; S. R. Bowring
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Paper Abstract

A description is presented of the design and performance of several large-area CCD imagers, including large 1-in. TV imagers, and very large multi-output buttable devices. A photocomposition technique is described which permits the area limitations of the wafer stepper to be surmounted, thus allowing the manufacture of very large devices. The design and performance of a 1-in. format 875-line CCD are reported, as well as the 525- and 625-line variants. A series schematic and design specifications are given for a three-phase, nonantibloomed, buried channel frame transfer CCD. The incorporation of the photocomposition technique, called stitching, in CCD devices is explained. Performance testing results and previous applications are mentioned. The CCDs show low readout noise and may be butted into large arrays, and can handle high amounts of charge at high speed. The products are shown to achieve their design targets, and an extra degree of freedom in image-area limitations is created by applying the autoalign capability of the wafer stepper.

Paper Details

Date Published: 1 July 1990
PDF: 9 pages
Proc. SPIE 1242, Charge-Coupled Devices and Solid State Optical Sensors, (1 July 1990);
Show Author Affiliations
Peter J. Pool, English Electric Valve Ltd. (United Kingdom)
W. A.F. Suske, English Electric Valve Ltd. (United Kingdom)
John E.U. Ashton, English Electric Valve Ltd. (United Kingdom)
S. R. Bowring, GEC Hirst Research Ctr. (United Kingdom)

Published in SPIE Proceedings Vol. 1242:
Charge-Coupled Devices and Solid State Optical Sensors
Morley M. Blouke, Editor(s)

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