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@ARTICLE{TANAKA:837559,
      author       = {TANAKA, Saburo and OHTANI, Takeyoshi and KRAUSE,
                      Hans-Joachim},
      title        = {{P}rototype of {M}ulti-{C}hannel {H}igh-{T}c {SQUID}
                      {M}etallic {C}ontaminant {D}etector for {L}arge {S}ized
                      {P}ackaged {F}ood},
      journal      = {IEICE transactions / E / C},
      volume       = {E100.C},
      number       = {3},
      issn         = {1745-1353},
      address      = {Tokyo},
      publisher    = {IEICE},
      reportid     = {FZJ-2017-06447},
      pages        = {269 - 273},
      year         = {2017},
      abstract     = {We report on the fabrication of a magnetic metallic
                      contaminant detector using multi-channel high-Tc RF-SQUIDs
                      (superconducting quantum interference devices) for large
                      packaged food. For food safety finding small metallic
                      contaminants is an important issue for a food manufacturer.
                      Hence, a detection method for small sized contaminants is
                      required. Some detection systems for food inspection using
                      high-Tc SQUIDs have been reported to date. The system
                      described here is different from the previous systems in its
                      permitted size for inspection, being larger at 150mm in
                      height × 300mm in width. For inspection of large sized food
                      packages, improvement of the signal to noise ratio (SNR) is
                      an important issue because the signal intensity is inversely
                      proportional to the cube of the distance between the SQUID
                      sensor and the object. Therefore a digital filter was
                      introduced and its parameters were optimized. As a result, a
                      steel ball as small as 0.5mm in diameter at a stand-off
                      distance of 167mm was successfully detected with more than
                      SNR = 3.3.},
      cin          = {ICS-8},
      ddc          = {620},
      cid          = {I:(DE-Juel1)ICS-8-20110106},
      pnm          = {523 - Controlling Configuration-Based Phenomena (POF3-523)},
      pid          = {G:(DE-HGF)POF3-523},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000399373200007},
      doi          = {10.1587/transele.E100.C.269},
      url          = {https://juser.fz-juelich.de/record/837559},
}