| 申请日期 | 2025-07-17 | 申请号 | US15510773 |
| 公开（公告）号 | US20170253797A1 | 公开（公告）日 | 2017-09-07 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | NEC Corporation | ||
| 简介 | [Objective] To provide a ceramic emitter that exhibits high radiation intensity and excellent wavelength selectivity. [Solution] A ceramic emitter includes a polycrystalline body that has a garnet structure represented by a compositional formula R3Al5O12 (R : rare-earth element) or R3Ga5O12 (R : rare-earth element) and has pores with a porosity of 20-40%. The pores have a portion where the pores are connected to one another but not linearly continuous, inside the polycrystalline body. | ||
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