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(FT3) Updated-> New Fuji organic sensor?


We already told you about rumors saying Fuji will join the MicroFourThirds system. Now it seems that Fuji is working on a completely new organic sensor. says that “Potentially, multi-layered organic sensors can over-perform BSI (Bayer Sensor) by a big margin. Their biggest advantage is that the dye absorption could be tuned to have very high QE in each of three colors, crosstalk can be minimized and each pixel location can detect and process all three color signals. Bayer sensors, on the other hand, get only one color per pixel, effectively discarding 2/3 of the incoming signal.

MuTaka also adds “As far as I understood it, Fuji had succeeded in producing a color picture from the organic sensor. Their test sensor was 1/15″ with a 3 micron pixel. The effective image 320*240 pixels. QE is 65%, and with antireflective film surpaces 80%. For a 550nm wave length
Fuji design is not sensitive to IR so doesn’t need IR cut filter.
The main chalenge is stacking the three layers and the electrodes together. Fuji “needs to make the improvement to the nanometer stamping installment
” .

The original chinese article can be found here:

via: noisycamera


Engineering sample specs

Pixel pitch: 3.0um
Optical size: 1/15″ (1.2mm diagonal)
Total array size: 360 x 256 pixels
Usable array size: 320 x 240 pixels
Frame Rate: 50 frames/sec
Full well capacity: 40000e
Dynamic Range: 60dB
Dark current: 7e at 60 degrees centigrade, 50fps
Quantum efficiency: 65% at 550nm
electron to voltage conversion: 56uV/e
Pixel fogging?: none
Image ghosting: cannot be detected using current apparatus
Organic Layers: – (unknown?, does not include AR film on pixel)
Pixel fill factor: 85%
metal layer Structure: 2 polysilicon layers, 4 “wire routing” layers
1 pixel uses 3 transistors
Process node: 180nm
Micro Lens: None

Some more details of the article. Fuji thinks it would be possible to perform nanoimprint lithography with an additional AR layer to raise the quantum efficiency to 80%

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