Patent ID: 6566719
Filing Date: 2003-05-20
Classification: H01L

Abstract:
A semiconductor integrated circuit device formed on a semiconductor substrate comprising:an n-channel MIS transistor having a plurality of semiconductor regions formed on a p-type well region, and a p-type semiconductor region formed on the p-type well region; a p-channel MIS transistor having a plurality of semiconductor regions formed on an n-type well region, and an n-type semiconductor region formed on the n-type well region; a first conductor layer formed on the p-type semiconductor region electrically connected with the p-type well region; a second conductor layer formed on the n-type semiconductor region electrically connected with the n-type well region; n-type impurity implanted regions and p-type impurity implanted regions formed in the plurality of semiconductor regions of the n-channel MIS transistor and in the n-type semiconductor region of the n-type well region, wherein the n-type and p-type impurity implanted regions of the plurality of semiconductor regions of the n-channel MIS transistor have the same impurity concentration distribution of depth as the n-type and p-type impurity implanted region of the n-type semiconductor region of the n-type well region; and n-type impurity implanted regions and p-type impurity implanted regions formed in the plurality of semiconductor regions of the p-channel MIS transistor and in the p-type semiconductor region of the p-type well region, wherein the n-type and p-type impurity implanted regions of the plurality of semiconductor regions of the p-channel MIS transistor have the same impurity concentration distribution of depth as the n-type and p-type impurity implanted region of the p-type semiconductor region of the p-type well region, the p-type impurity implanted regions of the plurality of semiconductor regions of the n-channel MIS transistor extend wider than the n-type impurity implanted regions of the plurality of semiconductor regions of the n-channel MIS transistor, the n-type impurity implanted region of the n-type semiconductor region extends deeper than the p-type impurity implanted region of the n-type semiconductor region, the n-type impurity implanted regions of the plurality of semiconductor regions of the p-channel MIS transistor extend wider than the p-type impurity implanted regions of the plurality of semiconductor regions of the p-channel MIS transistor, and the p-type impurity implanted region of the p-type semiconductor region extends deeper than the n-type impurity implanted region of the p-type semiconductor region.