| 申请日期 | 2025-06-28 | 申请号 | WOGB06004516 |
| 公开（公告）号 | WO2007068886A1 | 公开（公告）日 | 2007-06-21 |
| 公开国别 | WO | 申请人省市代码 | 全国 |
| 申请人 | NCR CORPORATION | ||
| 简介 | A secure tag (30) comprising : a carrier doped with one or more rare earth ions, and a barrier material (28) associated with the carrier and substantially blocking low-wave length radiation to shield the rare earth ions from low-wave length radiation. This enables a secure tag to be fabricated that does not photoluminesce strongly in response to a low-wavelength excitation radiation source. | ||
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