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Abstract

A memory device includes six field effect transistors (FETs) formed with semiconductor nanowires arranged on a substrate in an orientation substantially perpendicular to the substrate. The semiconductor nanowires have bottom contacts, gate contacts separated in a direction perpendicular to the substrate from the bottom contacts, and top contacts separated in a direction perpendicular to the substrate from the gate contacts. The necessary connections are made among the bottom, gate, and top contacts to form the memory device using first, second, and third metallization layers, the first metallization layer being separated in a direction perpendicular to the substrate from the top contacts, the second metallization layer being separated in a direction perpendicular to the substrate from the first metallization layer, and the third metallization layer being separated in a direction perpendicular to the substrate from the second metallization layer. Vias connect the various contacts to the overlying metallization layers as necessary. A method for forming the memory device is also outlined.

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