Patent · US Active

Memory device

US10784217B2 · kind B2 · utility

0Cited by
4References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 27, 2018
Grant dateSep 22, 2020
Priority date
Expiry dateFeb 27, 2038

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10B43/50
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A memory device includes a circuit having an element on a substrate, an interconnection layer above the circuit and that includes a pad electrode having a region for metal wiring bonding, a plurality of electrode layers between the circuit and the interconnection layer and that are stacked in a first direction from the circuit to the interconnection layer, a semiconductor pillar that extends in the first direction, and a storage film between the electrode layers and the semiconductor pillar. The pad electrode overlaps the circuit element as viewed in the first direction.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.