Multipart Coin Blank and Coin
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United States of America Patent
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N/A
Issued Date -
N/A
app pub date -
Jan 31, 2014
filing date -
Jul 30, 2012
priority date (Note) -
Abandoned
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Abstract
A coin blank provides an inner portion and at least one outer portion surrounding the inner portion. A dielectric isolation layer is arranged between the inner portion and the outer portion and connects the inner portion and the outer portion in a force-locking manner. The isolation layer is transparent in a first wavelength range and may be based on a transparent polymer. The isolation layer may contain additives absorbing and/or reflecting light in a second wavelength range.
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