CMOS imaging device with three-dimensional architecture having reading circuits and an electronic processing circuit arranged on different substrates
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United States of America Patent
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Mar 3, 2015
Grant Date -
Feb 28, 2013
app pub date -
Mar 25, 2011
filing date -
Mar 26, 2010
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Abstract
An imaging device including: plural pixels each including a photodetector; plural reading circuits associated with the plural photodetectors, each reading circuit including a first MOS transistor charging/discharging a photodetector and a second MOS transistor converting charges to be output by the photodetector into voltage; an electronic processing circuit configured to process the voltages outputted by the reading circuits; a first substrate on which are formed the pixels and the reading circuits, and a second substrate, distinct from the first substrate, on which is formed the electronic processing circuit, the second substrate being linked electrically to the first substrate by an electrical interconnection forming an electrical link between the reading circuits and the electronic processing circuit.
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