申请日期 | 2025-07-09 | 申请号 | US11180515 |
公开(公告)号 | US20070012682A1 | 公开(公告)日 | 2007-01-18 |
公开国别 | US | 申请人省市代码 | 全国 |
申请人 | LIN CHENG P | ||
简介 | A rare earth element contained substrate for heat generating device contains the rare earth elements, compounds of rare earth elements, or rare earth minerals so as to heighten its withstanding temperature and improve its heat dissipation, and it is also able to radiate a for infrared ray and yield negative ions for purifying the air. |
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