Computer Science
Scientific paper
Dec 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1158..277d&link_type=abstract
IN: Ultraviolet technology III; Proceedings of the Meeting, San Diego, CA, Aug. 10, 11, 1989 (A90-43258 19-35). Bellingham, WA,
Computer Science
Charge Coupled Devices, Image Intensifiers, Photocathodes, Photomultiplier Tubes, Cryogenic Temperature, Degassing, Hubble Space Telescope
Scientific paper
A low temperature photocathode process has been used to fabricate an intensified CCD visual photocathode image tube, by incorporating a thinned, backside-illumined CCD as the target anode of a digicon tube of Hubble Space Telescope (HST) design. The CCD digicon tube employs the HST's sodium bialkali photocathode and MgF2 substrate, thereby allowing a direct photocathode quantum efficiency comparison between photocathodes produced by the presently employed low temperature process and those of the conventional high temperature process. Attention is given to the processing chamber used, as well as the details of gas desorption and photocathode processing.
Beaver Edward A.
Doliber Darrel L.
Dozier E. E.
Hier Richard G.
Wenzel Hans
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