Sony’s stacked sensors were a major achievement, but new documents suggest it is working on a cryptic third “⍺” layer

Sony a1 II camera on a brick wall.

Sony’s design for a stacked sensor brought faster shooting speeds to both smartphones and mirrorless cameras – but a new presentation suggests that the company is researching the possibility of adding a third layer.

In a presentation shared with investors earlier this year, president and CEO of Sony Semiconductor Solutions Corporation, Shinji Sahsida, shared a company outlook that includes evolving Sony’s stacked sensor technology to include an additional layer.