PATENT ASSIGNEE'S COUNTRY | Japan |
UPDATE | 07.99 |
PATENT ASSIGNEE | This data is not available for free |
PATENT CLAIMS |
Ceramics mfg method having minimized porosity & sintering shrinkage - Forming mixt contg (1) alumina particles, Al particles Ta2O5 particles & (2) MgCO3 particles - Molding mixt to form compacts - Sintering compacts under O atm. Wherein (1) grains of alumina are produced from said alumina particles; (2) Grains of MgAl2O4 including Ta are produced by an oxidation reaction of mixt., & (3) A gap located among said grains of alumina is filled with said grains of MgAl2O4 including Ta expanded by said oxidation reaction |
PATENT PHOTOCOPY | Available on request |
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