Charge coupled imager

Details Charge coupled imager Charge coupled imager

H - Electricity

04

N

350/54

H04N 3/14 (2006.01) H01L 27/148 (2006.01) H01L 29/423 (2006.01) H04N 3/15 (2006.01) H04N 5/38 (2006.01)

Patent

CA 1068395

Abstract The columns in known frame transfer type charge coupled device (CCD) image sensing arrays generally are spaced, center-to-center, a distance equal to the length of a stage in the C register. In the present array the center-to-center spacing of the columns is considerably reduced to obtain improved resolution in the row direction. The spacing is only 1/n'th of the length of each such C register stage, where n is the number of phases employed to operate the C register. The array is read out to the C register via a special electrode structure, 1/n'th of a row at a time, and the C register is read out in such a way that the row is reconstructed while being read from the C register. The special electrode structure temporarily stores a row of information and permits the 1/n'th of the row to be removed at a time. It also provides a potential harrier to isolate the C register during the time the C register is being read out.

239583

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