Patent ID: 9190439
Filing Date: 2015-11-17
Classification: H01L

Abstract:
1. A solid-state image pickup device comprising a plurality of pixels, each pixel including: a photoelectric conversion unit; an amplification transistor; a transfer transistor configured to transfer a signal of the photoelectric conversion unit to an input node of the amplification transistor; an additional capacitor configured to switch connection state and non-connection state for the input node; and a reset transistor configured to set a potential of the input node to a predetermined potential, wherein each of the pixels includes a third semiconductor region, a first semiconductor region, a second semiconductor region, and a fourth semiconductor region of a same conduction type arranged in this order along a first direction in an active region provided in a semiconductor substrate, and a first conduction pattern, a second conduction pattern, and a third conduction pattern provided above an active region in this order along the first direction, the first semiconductor region, the first conduction pattern, and the third semiconductor region constitute the transfer transistor, the first semiconductor region, the second conduction pattern, and the second semiconductor region constitute the additional capacitor, and the second semiconductor region, the third conduction pattern, and the fourth semiconductor region constitute the reset transistor.