-wellSTICapacitorConsiderations for BL contact - Free from the NOT open - No shortage between BL and WL - Small contact resistance ... layer thicknessWLlanding padP-subP-wellSTIgateSTIILD1ILD2tBarrier layerOhmic layerWLlanding padP-s ... ubP-wellSTIConsiderations for SN contact - No shortage to BL - No shortage between SN and SN - Free