An apparatus and method in which one or more taggants that are intrinsically located or extrinsically placed in an article or product (11). The taggants are detected by X-ray fluorescence analysis (20, 21) to identify or verify the article or its point of manufacture. The taggants are manufactured as part of the article or the taggant is placed into a coating, label, or otherwise embedded within the article for the purpose of later verifying the presence or absence of these elements by X-ray fluorescence, thus determining the unique elemental composition of the taggant within the article.
申请公布号
WO0125764(A9)
申请公布日期
2002.09.26
申请号
WO2000US26784
申请日期
2000.09.28
申请人
EDAX INC.;KAISER, BRUCE, JOHN;PRICE, L., STEPHEN;HOWE, THERESE, L.
发明人
KAISER, BRUCE, JOHN;PRICE, L., STEPHEN;HOWE, THERESE, L.