| 申请日期 | 2025-07-07 | 申请号 | JP2004272228 |
| 公开（公告）号 | JP2006083043A | 公开（公告）日 | 2006-03-30 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | HITACHI LTD | ||
| 简介 | PROBLEM TO BE SOLVED : To provide a high strength glass material applicable to thinning and lightening objects. SOLUTION : The rare earth element-containing glass material comprises the high concentration containing layer of rare earth elements from the outermost surface to the inside in the vicinity of the shallow surface in the depth direction. COPYRIGHT : (C)2006, JPO&NCIPI | ||
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