Patent 7759706 was granted and assigned to Sony on July, 2010 by the United States Patent and Trademark Office.
The present invention provides a solid-state imaging device having an array of unit pixels, each unit pixel including a photoelectric conversion element and an amplifier transistor for amplifying a signal corresponding to charge obtained by photoelectric conversion through the photoelectric conversion element and outputting the resultant signal. The amplifier transistor includes a buried channel MOS transistor. According to the present invention, 1/f noise can be basically reduced.