Patent · US Expired

Functional film having optical and electrical properties

US6579624B2 · kind B2 · utility

2Cited by
8References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 28, 2001
Grant dateJun 17, 2003
Priority date
Expiry dateNov 28, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/26
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A functional film includes a transition layer having a first constituent having SiO as a dielectric material and at least one second constituent selected from aluminum (Al), silver (Ag), silicon (Si), germanium (Ge), yttrium (Y), zinc (Zn), zirconium (Zr), tungsten (W) and tantalum (Ta). The first and second constituents have corresponding gradual content gradients according to a thickness of the functional film.

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