Samsung electronics co., ltd. (20250071967). SEMICONDUCTOR DEVICE
SEMICONDUCTOR DEVICE
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SEMICONDUCTOR DEVICE
This abstract first appeared for US patent application 20250071967 titled 'SEMICONDUCTOR DEVICE
Original Abstract Submitted
a semiconductor device includes a semiconductor substrate, a plurality of contact plugs spaced apart from each other on the semiconductor substrate, a plurality of first landing pads spaced apart from each other on the plurality of contact plugs, a landing insulating layer surrounding upper sidewalls of the plurality of first landing pads and covering upper portions of the plurality of first landing pads, a stopper insulating layer disposed on the landing insulating layer, and a plurality of second landing pads spaced apart from each other on the plurality of first landing pads, passing through the stopper insulating layer, and buried in landing opening holes formed in the landing insulating layer, the plurality of second landing pads being electrically and respectively connected to the plurality of first landing pads.