| PATENT ASSIGNEE'S COUNTRY | Japan |
| UPDATE | 08.99 |
| PATENT ASSIGNEE | Sony Corp |
| PATENT CLAIMS |
- Forming mixt of Bi2O3, Ta2O5 & Sr hydroxide - Grinding - Shaping at elevated T & pressure to provide pellet having fluorite structure - Heating at 800-1000C in flow of O until single phase Bi layered compd is obtained |
| PATENT PHOTOCOPY | Available on request |
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