| 申请日期 | 2025-06-29 | 申请号 | US10280048 |
| 公开（公告）号 | US6913648B2 | 公开（公告）日 | 2005-07-05 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | Kazuhiro Hasegawa | ||
| 简介 | There is provided an apparatus for preparing crystals of a phosphor precursor, comprising a reactor, a stirrer, and a supply pipe for supplying, into the reactor, a solution containing at least an aqueous solution of inorganic fluoride salt, wherein an ion concentration measuring device is provided in at least one of an interior of the reactor and a liquid contacting portion which contacts the solution containing an aqueous solution of inorganic fluoride salt. | ||
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