Patent · US Expired

Acceptor doped barium titanate based thin film capacitors on metal foils and methods of making thereof

US7795663B2 · kind B2 · utility

5Cited by
23References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 21, 2005
Grant dateSep 14, 2010
Priority date
Expiry dateJun 21, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D1/682
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

The present invention is directed to a dielectric thin film composition comprising: (1) one or more barium/titanium-containing additives selected from (a) barium titanate, (b) any composition that can form barium titanate during firing, and (c) mixtures thereof; dissolved in (2) organic medium; and wherein said thin film composition is doped with 0.002-0.05 atom percent of a dopant comprising an element selected from Sc, Cr, Fe, Co, Ni, Ca, Zn, Al, Ga, Y, Nd, Sm, Eu, Gd, Dy, Ho, Er, Yb, Lu and mixtures thereof and to capacitors comprising such compositions.

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