Patent · US Active

Semiconductor nanowire device having (111)-plane channel sidewalls

US11990476B2 · kind B2 · utility

0Cited by
2References
20Claims
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Assignee

Inventors

Key dates

Filing dateJun 16, 2022
Grant dateMay 21, 2024
Priority date
Expiry dateAug 6, 2042

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D62/85
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

Semiconductor nanowire devices having (111)-plane channel sidewalls and methods of fabricating semiconductor nanowire devices having (111)-plane channel sidewalls are described. For example, an integrated circuit structure includes a first semiconductor device including a plurality of vertically stacked nanowires disposed above a substrate, each of the nanowires comprising a discrete channel region having <111> lateral sidewalls along a <110> carrier transport direction. The integrated circuit structure also includes a second semiconductor device including a semiconductor fin disposed above the substrate, the semiconductor fin having a channel region with a top and side surfaces, the channel region having <111> lateral sidewalls along a <110> carrier transport direction.

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