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公开(公告)号：US20210312744A1
公开(公告)日：2021-10-07
申请号：US17218521
申请日：2021-03-31
发明人： Karen Bruer
摘要： The present disclosure relates to portable devices for detecting substandard or counterfeit materials on-site at ports of entry or other locations where the materials are situated, preferably before acceptance or entry of such materials into the supply chain. In particular, the devices and methods relate to use of a handheld probe capable of applying a temperature change to the surface of a suspect material at a contact area, sensing the material's temperature response at one or more surface locations distinct from the contact area, and comparing the temperature response data to a reference standard, which corresponds to temperature response of a standard or noncounterfeit sample.
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