Large aspect ratio detector array for space applications

Details Large aspect ratio detector array for space applications Large aspect ratio detector array for space applications

Jan 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aipc..420...61e&link_type=abstract

Space technology and applications international forum - 1998. AIP Conference Proceedings, Volume 420, pp. 61-66 (1998).

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Applications

Photodiodes, Phototransistors, Photoresistors, Photodetectors, Artificial Earth Satellites, Effects Of Aerosols

Scientific paper

At the Goddard Space Flight Center (GSFC) Detector Development Laboratory (DDL), we have custom designed and fabricated a chip which consists of an interleaved linear array of 1×512 pinned photo-diode (PD) sensing pixels, which have dimensions 200 μm×6 μm, together with a parallel detector register and a serial readout register. The registers use a triple polysilicon CCD design. This paper presents some aspects of the design, processing and operating techniques used for optimizing the full well capacity of the odd shaped photo-diodes, efficiency of photo-diode to CCD transfer and the charge handling capability of the various CCD/output structures. By using a pinning implant in the PD area together with a larger transfer gate voltage the desired photo-diode signal level of 5 Me- was achieved.

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