Patent · US Expired

Ceramic diffusion bonding method

US4721541A · kind A · utility

8Cited by
11References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 26, 1985
Grant dateJan 26, 1988
Priority date
Expiry dateSep 26, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T156/1064
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Unfired ceramic bodies which are to be joined together, are separately fired to the point of optimum density. The surfaces to be joined are machined to remove surface irregularities, lapped and polished. At least one of the two surfaces is machined to provide a desired cavity configuration. The polished surfaces are then juxtaposed and fired to the maturing temperature of the ceramic involved. A weight may be used to maintain the desired juxtapositioning. The outer surfaces of the now integral ceramic body are then machined to desired dimensions.

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