Patent · US Active

Insulating film and electronic device

US7635900B2 · kind B2 · utility

2Cited by
1References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 9, 2008
Grant dateDec 22, 2009
Priority date
Expiry dateJul 3, 2028

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D30/60
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

An electronic device including a semiconductor layer having silicon as a major component; and a dielectric film epitaxially grown directly on a major surface of the semiconductor layer, wherein the dielectric film consists of a dielectric material having a Ruddlesden-Popper type structure, the Ruddlesden-Popper type structure is expressed by a chemical formula An+1BnO3n+1, the element A including at least one selected from a group consisting of Ba, Sr, Ca and Mg, a percentage of Mg content in the element A is not larger than 10%, and the element B includes at least one selected from a group consisting of Ti, Zr and Hf.

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