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Here is my list of the most significant achievements in image sensor industry this year:- New theory of RTS noise based on multi-atom metastable defects in Si crystal structure
- If correct, it might cause a paradigm shift in the ways to reduce RTS noise
- Opens a way to simulate and analyze various ways of RTN suppression on computer models
- This is my personal favorite of 2021 that hopefully would turn into commercial product achievements in 2022-25
- Gives a hope that RTN would be eradicated in future devices
- Samsung 17nm FinFET process for stacked CIS logic die
- Samsung 2.2V supply pixel is in mass produced 108MP smartphone sensor
- Samsung Advanced Institute of Technology presented its version of 0.8um color-routing pixel
- Sony splits 4T pixel transistors between two layers in a stacked sensor
- SPAD progress:
- Sony created 6um-pitch SPAD with 20.2% QE at 940nm
- Canon presented 3.2MP SPAD sensor
- LiDAR SPAC parade continues:
- LiDAR consolidation: Sense Photonics has been acquired by Ouster for $68M in stock with 5-year reverse vesting for key employees
- China News:
- Galaxycore IPO makes CEO Stanly Zhao a multi-billionaire
- High productivity: Smartsens completed more than 30 tapeouts in 2020, 31 tapeouts in 2021, released 36 new products in 2021
- Smartsens IPO at $4.4B valuation
- Tyrafos raised "hundred of millions of yuan" investment
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