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  4. Label-/tag-free traceability of electronic PCB in SMD assembly based on individual inherent surface patterns
 
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2018
Journal Article
Title

Label-/tag-free traceability of electronic PCB in SMD assembly based on individual inherent surface patterns

Abstract
Individual traceability of components enables efficient quality control, improving operational efficiency, or smart manufacturing approaches like big data analysis as well as customized mass production. Conventional track and trace solutions however, require a tag or label which is often not attachable due to e.g., spatial or economic reasons. A promising alternative is the identification of components based on individual, inherent surface patterns. For a set of 115 printed circuit boards, it is shown that fiducial markers, which are commonly used for alignment of components, can possess such individual surface patterns and hence serve as unique identifier. As the investigations are based on industrial conditions, the paper transfers the approach of label-/tag-free traceability from laboratory to an application in an industrial environment. Furthermore, faultless traceability of all samples within a SMD assembly line is achieved demonstrating the robustness of the identification against changes of the surface.
Author(s)
Wigger, Benedikt
Meissner, Thomas
Winkler, Marcel
Förste, Alexander  
Jetter, Volker  
Buchholz, Andreas
Zimmermann, André
Journal
The International Journal of Advanced Manufacturing Technology  
DOI
10.1007/s00170-018-2492-x
Language
English
Fraunhofer-Institut für Physikalische Messtechnik IPM  
Keyword(s)
  • Surface Pattern Identification

  • Tag-Free Traceability

  • Printed Circuit Board

  • SMD Assembly

  • Physical Unclonable Function

  • Image Pattern Recognition

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