Canon 3 Layer Sensor (Foveon Type?) Patent

Started Jul 7, 2011 | Discussions thread
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mailman88
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Canon 3 Layer Sensor (Foveon Type?) Patent
Jul 7, 2011

..... 3 Layer Image Sensor

A Canon patent was recently released showing a 3 layer sensor. Sigma has been the leader (I use the term lightly) in this type of sensor design when they purchased Foveon.

Patent Publication No. 2011-129785
■2011.6.30 Release Date
■2009.12.18 filing date

Canon patent
■Back-illuminated imaging device
■Plurality of light receiving portion is provided in the order BGR

■In one pixel, the charge collection in the center section, provided the charge read to the end

■Focusing capabilities of the microlenses, light in the center of the charge collection has increased, the charge read out at the end of the light is reduced

■Therefore, in reading the charge of B, it becomes difficult to receive light G, to prevent mixing

■Widest area of ​​B. By mixing pixels with narrow spacing of the pixels (light receiving portion for receiving the G colored in B) to prevent

■Read the charge and B matches the central microlens. And easy to read the charges received by B, to prevent mixing
■Improve performance by preventing the mixing color separation

Canon is a sensor manufacturer, this sort of research and development was almost a given. There’s lots of advancements to be made in sensor technology.

http://www.canonrumors.com/

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