Patent ID: 9583527
Date: 2017-02-28
CPC Classifications: H01L

Claim:
1. An image sensor, comprising: a plurality of photodiodes disposed in a semiconductor material; a floating diffusion disposed in the semiconductor material proximate to a photodiode in the plurality of photodiodes; a transfer gate disposed to transfer image charge generated in the photodiode into the floating diffusion; a first electrical contact with a first cross sectional area, wherein the first electrical contact is coupled to the transfer gate; a second electrical contact with a second cross sectional area, wherein the second electrical contact is coupled to the floating diffusion, and wherein the second cross sectional area is greater than the first cross sectional area; a pixel transistor region disposed in the semiconductor material including a first electrical connection to the semiconductor material; and a third electrical contact with a third cross sectional area, wherein the third electrical contact is coupled to the first electrical connection to the semiconductor material, and wherein the third cross sectional area is greater than the first cross sectional area.