| PATENT ASSIGNEE'S COUNTRY | Korea |
| UPDATE | 08.99 |
| PATENT ASSIGNEE | Samsung Electronics (Kyungki-do) |
| PATENT CLAIMS |
Mfg sol-gel method - Forming first sol by mixing high-d. silica (100 parts) with deionized water (100-300 parts), while controlling pH 9-11 - Rapidly drying in microwave oven - Grinding & classifying sol to form powder - Thermal treat powder at > 600C - Forming second sol by mixing thermal treated powder (100 parts) with deionized water (100-200 parts) - Pouring second sol in mold - Gelling - Demolding - Drying - Sintering |
| PATENT PHOTOCOPY | Available on request |
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