MULTI-COLOUR SENSITIVE DEVICE FOR COLOR IMAGE SENSING
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United States of America Patent
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Issued Date -
Dec 3, 2009
app pub date -
Dec 5, 2005
filing date -
Dec 3, 2004
priority date (Note) -
Abandoned
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Abstract
A sensor element (1, 20, 21, 22) capable of sensing more than one spectral band of electromagnetic radiation with the same (x-y) spatial location, especially where the dimensions x-y-z form a set of Cartesian coordinates with z parallel to the direction of incident electromagnetic radiation, is characterized in that the element consists of a stack of sub-elements (3, 5, 7) each capable of sensing different spectral bands of electromagnetic radiation. These sub-elements (3, 5, 7) each contain a non-silicon semiconductor where the non-silicon semiconductor in each sub-element (3, 5, 7) is sensitive to and/or has been sensitized to be sensitive to different spectral bands of electromagnetic radiation.
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