| http://www.w3.org/ns/prov#value | - For this reason, the insulating layer 18 is made from a thermosetting resin such as an epoxy resin having a glassy-transition temperature of not less than 100??? C. and this material is used in the form of a resin sheet. [0010] A molded outer package (not shown) is adhered to the base substrate 15 by an adhesive or the like, in which package a resin such as an epoxy resin is filled.
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