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Title:
発光粒子埋め込み型金属材料
Document Type and Number:
Japanese Patent JP2013533924
Kind Code:
A
Abstract:
Formation of an authentication element by deposition of a metal layer with embedded particles on a metal substrate, wherein the embedded particles are configured to convert energy from one wavelength to another. The embedded particles may be upconverters, downconverters, or phosphorescent phosphors, which can be detected and measured with analytical equipment when deposited in the metal layer. A metal substrate may include coinage.

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Inventors:
Jeffrey El Conroy
Philip Be Force
James A Shearer
Application Number:
JP2013514381A
Publication Date:
August 29, 2013
Filing Date:
June 10, 2011
Export Citation:
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Assignee:
Authentics Incorporated
The Royal Mint Limited
International Classes:
C25D15/02; C09K11/00; C09K11/84; C23C18/52; C25D17/20
Attorney, Agent or Firm:
Yasuhiko Murayama
Masatake Shiga
Takashi Watanabe
Shinya Mitsuhiro



 
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