Radiant energy – Ionic separation or analysis – Static field-type ion path-bending selecting means
Patent
1990-12-11
1992-03-31
Mintel, William
Radiant energy
Ionic separation or analysis
Static field-type ion path-bending selecting means
357 32, 357 58, 250211J, 2505781, H01L 2714
Patent
active
051012529
ABSTRACT:
In a photoelectric converter provided with a phototransistor having at least two main electrode areas of a first conductive type of semiconductor and a control electrode area of a different conductive type of semiconductor, and a field effect transistor having the same control electrode area, a channel area, a main electrode area of the second conductive type and a gate electrode above the channel area, the channel area is formed in a high impurity concentration area of the first conductive type with a depth greater than that of the control electrode area and of the field effect transistor main electrode area. The channel area arrangement provides improved performance and reliability in a photoconverter requiring a large depletion layer.
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Canon Kabushiki Kaisha
Mintel William
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