Rapid insulation resistance test for bismuth- containing...

Details Rapid insulation resistance test for bismuth- containing... Rapid insulation resistance test for bismuth- containing...

G - Physics

01

R

73/178

G01R 31/12 (2006.01) G01R 31/01 (2006.01)

Patent

CA 1163465

107C-142 ABSTRACT OF THE DISCLOSURE The present invention relates to a method for rapidly determining the insulation resistance characteristics of bismuth-containing ceramic capacitors, and more particularly to ceramic capacitors incorporating a barium titanate dielectric. The test is predicated upon the discovery that capacitors of the type described and having satisfactory insulation characteristics exhibit a high percentage of inter-granualar fracture. Capacitors of identical composition and apparently identical physical characteristics which when fractured, evince a high percentage of trans-granular fractures have been found to exhibit unacceptably low insulation resistance characteristics. - 13 -

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