Patent · US Active

Three-dimensional memory devices with architecture of increased number of bit lines

US10879263B2 · kind B2 · utility

1Cited by
3References
20Claims
0Family size

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Inventors

Key dates

Filing dateMay 3, 2019
Grant dateDec 29, 2020
Priority date
Expiry dateMay 3, 2039

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C7/18
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

Embodiments of a three-dimensional (3D) memory device are disclosed. The 3D memory device has an architecture with an increased number of bit lines. In an example, the 3D memory device includes a substrate, a plurality of memory strings each extending vertically above the substrate in a memory region, and a plurality of bit lines over the plurality of memory strings. At least one of the plurality of bit lines is electrically connected to a single one of the plurality of memory strings.

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