Patent · US Expired

Structure having pores and its manufacturing method

US6804081B2 · kind B2 · utility

14Cited by
12References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 10, 2002
Grant dateOct 12, 2004
Priority date
Expiry dateJul 4, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/0002
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A structure having pores includes a first layer containing alumina, a second layer that includes at least one of Ti, Zr, Hf, Nb, Ta, Mo, W and Si, and a third layer with electrical conductivity, in this order, wherein the first and second layers have pores.

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