Patent ID: 7193009

Claim:
An electronic device for high frequency signals having conductor wiring for transmitting an electric signal at 0.3 to 100 GHz and an insulating layer which is a curing product of a thermosetting resin composition, wherein the insulating layer has a crosslinked structure of a crosslinking ingredient represented by the following general formula (I): (where R represents a hydrocarbon skeleton, R 1 , which may be identical or different from each other, represents a hydrogen atom or a hydrocarbon group of 1 to 20 carbon atoms, R 2 , R 3 and R 4 , which may be identical or different from each other, each represents a hydrogen atom or a hydrocarbon group of 1 to 6 carbon atoms, m is an integer of 1 to 4 and n is an integer of 2 or greater), and wherein the insulating layer includes a flame retardant.