| abstract |
(57) [Problem] To provide a low dielectric constant thermosetting resin composition. [Problem] To provide a polyfunctional cyanate compound or 100 parts by weight of the cyanate ester prepolymer, (2) The imide ring closure rate is 95 mol% or more and 100 mol or more. % Of a polyimide, which is 0.1% or less, and (3) 0.005 to 5 parts by weight of a thermosetting catalyst as essential components. |