Canon Patent Application: SPAD Stacked Sensor

[Canon Rumors]

In this patent application (2024-056859) Canon is looking at improving the reliability of an SPAD sensor. A SPAD (Single Photon Avalanche Diode) sensor, operates by putting the diode into, yes, you guessed it – avalanche mode. In loose terms, that requires a high negative bias voltage (somewhere around -50 to -100 volts), which causes the

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[john1970]

Very interesting....not likely in a consumer camera anytime soon.