Sunday, June 07, 2020

Canon Announces NIR-Enhanced 19um Pixel

Canon added "CMOS Sensor Products In Development" pages to its image sensor web site. One of them talks about NIR-enhanced version of its 19um pixel sensor:

"By designing a pixel with a deeper well, photons with longer wavelengths can be more efficiently converted into electrons, providing a substantial increase in quantum efficiency (QE) in the Near Infra-Red region. This deeper well resulted in an almost 45% increase in QE at 800nm versus the standard monochrome 19µm pixel size sensor (Canon 35MMFHDXSMA CMOS sensor). Featuring 19µm pixel sizes available in monochrome (35MMFHDXSBM) or with a specialized RGB-NIR color filter array (35MMFHDXSBI), this new family of Canon CMOS sensors allows for expanded possibilities in a wide range of applications."

Another future product is 2.8MP HDR sensor featuring extended operating temperature range:

"In high temperature conditions, the increase in dark current noise adversely affects the quality of the image. The Canon 3U3MRXSAAC sensor is equipped with functionality that mitigates dark current due to increased temperatures, Canon’s sensor is able to maintain high image quality while operating in environments with extreme temperatures ranging from -40°C to 105°C, or -40°F to 221°F."


  1. Albert Theuwissen - Harvest ImagingJune 8, 2020 at 1:07 PM

    Operation to 105 deg.C ? Interesting, I have done several reliability tests on existing devices (not this sensor of Canon), and I do come to complete different conclusion w.r.t. reliability (85 deg.C/85 % humidity) !

  2. " equipped with functionality that mitigates dark current due to increased temperatures..."

    Seems that Canon maybe "improved" the analog offset clamping stage. That a high offset value with high temperature increases also the gain a bit to prevent visibility of the full well point. Otherwise you get purple images...

    1. Albert TheuwissenJune 9, 2020 at 5:53 PM

      Purple images due to purple rain ?


All comments are moderated to avoid spam and personal attacks.