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Re: ATM Advance in CCDs
Hi Kevin,
The last time they tried this, they had awful linearity problems
at low illumination levels. Perhaps this problem has been fixed....?
Regards,
Terry
>
>I opened my copy of Lasers and Optronics today to find a great piece of
>news for ATMs interested in CCDs. Kodak has just announced a new gate
>electrode technology that essentially doubles the quantum efficiency,
>including a big boost to the blue sensitivity. By replacing the
>standard poly silicon transparent electrodes with indium doped tin
>oxide, performance on a par with thinned, back-illuminated CCDs is
>achieved, but without the attendant cost. QE for the new design is 30%
>at 400 nm, and 65% from 550 to 700 nm. While it is initially being
>offered on the KAF-1401E, the claim is that a full range of products
>will be offered in this version. Their trade name is "Blue Plus".
>
>Kevin McCarthy
>
>