軟磁性ファイバを利用した証書認証技術の解析評価

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タイトル別名
  • Analysis of Document Authentication Technique using Soft Magnetic Fibers
  • ナンジセイ ファイバ オ リヨウ シタ ショウショ ニンショウ ギジュツ ノ カイセキ ヒョウカ

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An artifact-metric system using magnetic fibers can be applied for authentications of stock certificate, bill, passport, plastic cards and other documents. Security of the system is guaranteed by its feature of difficulty in copy. This authentication system is based on randomly dispersed magnetic fibers embedded in documents. In this paper, a theoretical analysis was performed in order to evaluate this system. The position of the magnetic fibers was determined by a conventional function of random number generator. By measuring output waveforms by a magnetoresistance (MR) sensor, a false match rate (FMR) could be calculated. Optimizations of the density of the magnetic fibers and the dimension of the MR sensor were achieved.

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