Canon has released a couple of stacked sensor patent applications this week dealing with various issues surrounding the manufacturing or use of stacked sensors.
In US Patent Application 2018-0233523, they discuss sealing to form a moisture proof barrier thus protecting the internal elements from water,etc. This is another highly detailed sensor patent, with methods of manufacturing included, indicating that Canon is quite a ways into this research.
According to an aspect of the present invention, a solid-state imaging apparatus includes a plurality of pixels each of which includes a photoelectric conversion unit and a readout circuit configured to process a signal generated by the photoelectric conversion unit or configured to read the signal, and a peripheral circuit configured to read signals from the plurality of pixels. The plurality of photoelectric conversion units is disposed in a first member, and at least a part of...
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