Patent · US Expired

Method for making thin, flat, dense membranes on porous substrates

US6458170B1 · kind B1 · utility

27Cited by
6References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 3, 1998
Grant dateOct 1, 2002
Priority date
Expiry dateDec 3, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49115
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A method of fabricating a thin, flat dense membrane on a porous substrate in which the green substrate is selected to have a predetermined shrinkage on firing which matches or is greater than the shrinkage of a thin uniformly applied film on firing.

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