| 申请日期 | 2025-06-25 | 申请号 | KR1020090089312 |
| 公开（公告）号 | KR1020100036949A | 公开（公告）日 | 2010-04-08 |
| 公开国别 | KR | 申请人省市代码 | 全国 |
| 申请人 | CANON KABUSHIKI KAISHA | ||
| 简介 | PURPOSE : By using the specific ceramic particle, the optical element can obtain the optical property of being good without defect from the temperature lowing in the normal sintering process than temperature as the vacuum sinter box.CONSTITUTION : An optical element comprises the vacuum sinter. The vacuum sinter comprises the particle of plurality having the two-layer structure of the coating layer and ceramic particle. Ln the rare earths element. X and y satisfy 1COPYRIGHT KIPO 2010 | ||
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