Alumina sintered article
23An alumina sintered article comprising 99.3 mass % or more Al in terms of AlO, strontium and silicon is disclosed. The alumina sintered article also comprises alumina crystal grains and an oxide crystal comprising aluminum, silicon, strontium located at a triple pocket surrounded by three or more...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | 23An alumina sintered article comprising 99.3 mass % or more Al in terms of AlO, strontium and silicon is disclosed. The alumina sintered article also comprises alumina crystal grains and an oxide crystal comprising aluminum, silicon, strontium located at a triple pocket surrounded by three or more alumina crystal grains. The alumina sintered article improves dielectric loss in the megahertz to gigahertz bands while maintaining corrosion resistance, mechanical properties of alumina. |
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