| 申请日期 | 2025-07-01 | 申请号 | US17444422 |
| 公开（公告）号 | US20220041509A1 | 公开（公告）日 | 2022-02-10 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | NICHIA CORPORATION | ||
| 简介 | A rare earth aluminate sintered compact including rare earth aluminate phosphor crystalline phases and voids, wherein an absolute maximum length of 90% or more by number of rare earth aluminate phosphor crystalline phases is in a range from 0.4 μm to 1.3 μm, and an absolute maximum length of 90% or more by number of voids is in a range from 0.1 μm to 1.2 μm. | ||
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