| 申请日期 | 2025-07-11 | 申请号 | US11301990 |
| 公开（公告）号 | US7699230B2 | 公开（公告）日 | 2010-04-20 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | Gary A Ross | ||
| 简介 | A secure tag comprising : a carrier doped with one or more rare earth ions, and a barrier material associated with the carrier and substantially blocking low-wavelength radiation to shield the rare earth ions from low-wavelength radiation. This enables a secure tag to be fabricated that does not photoluminescence strongly in response to a low-wavelength excitation radiation source. | ||
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