Cha Yang Chu

US Patent:

54119383, May 2, 1995

Filed:

Jul 30, 1993

Appl. No.:

8/100606

Inventors:

Weite Wu - Tainan, TW
Cha Y. Chu - Garnerville NY
Kenneth C. Goretta - Downers Grove IL
Jules L. Routbort - Darien IL

Assignee:

University of Chicago - Chicago IL

International Classification:

B05D 302
H01L 3924

US Classification:

505430

Abstract:

A method and article of manufacture of a lead oxide based glass coating on a high temperature superconductor. The method includes preparing a dispersion of glass powders in a solution, applying the dispersion to the superconductor, drying the dispersion before applying another coating and heating the glass powder dispersion at temperatures below oxygen diffusion onset and above the glass melting point to form a continuous glass coating on the superconductor to establish compressive stresses which enhance the fracture strength of the superconductor.