Patent · US Active

Semiconductor device and method of manufacturing the same

US12167595B2 · kind B2 · utility

0Cited by
1References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 28, 2022
Grant dateDec 10, 2024
Priority date
Expiry dateApr 7, 2043

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2225/06565
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A semiconductor device includes a stacked film including a plurality of electrode layers and a plurality of insulating layers alternately stacked in a first direction and a columnar portion including a charge storage layer and a first semiconductor layer and extending in the first direction in the stacked film. The device further includes a second semiconductor layer provided on the stacked film and the columnar portion, and at least a part of regions in the second semiconductor layer contains phosphorus having an atomic concentration of 1.0×1021/cm3 or more and hydrogen having an atomic concentration of 1.0×1019/cm3 or less.

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