| CPC H05K 1/0373 (2013.01) [H05K 1/0256 (2013.01); H05K 2201/0158 (2013.01)] | 4 Claims |

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1. An organic insulator comprising a cured resin product:
containing a cyclic olefin copolymer as a main component; and
having a cumulative luminescence amount of 3.7×105 cpm or less measured by chemiluminescence measurement method.
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