| 申请日期 | 2025-09-16 | 申请号 | EP05090039 |
| 公开（公告）号 | EP1568991A1 | 公开（公告）日 | 2005-08-31 |
| 公开国别 | EP | 申请人省市代码 | 全国 |
| 申请人 | MIKUNI CORPORATION | ||
| 简介 | According to the present invention there is disclosed a hydrogen sensor comprising a substrate, a rare earth metal film formed on the substrate, and a protective film formed on the rare earth metal film, wherein the protective film comprises a ceramic material and hydrogen-permeable metal particles dispersed in the ceramic material. | ||
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