Patent · US Expired

Semiconductor device and method

US7005717B2 · kind B2 · utility

30Cited by
566References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 14, 2004
Grant dateFeb 28, 2006
Priority date
Expiry dateMay 14, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D64/693
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

Circuit (10) has a dual layer gate dielectric (29) formed over a semiconductor substrate (14). The gate dielectric includes an amorphous layer (40) and a monocrystalline layer (42). The monocrystalline layer typically has a higher dielectric constant than the amorphous layer.

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