Patent ID: 8422241

Claim:
A resin-sealed electronic control device, comprising: external connection terminals electrically connected to an external apparatus; a first electronic board and a second electronic board, at least one of the first electronic board and the second electronic board having two surfaces on both of which a plurality of circuit components are mounted; a support member onto which the first electronic board and the second electronic board are bonded; and an exterior covering material covering each of the entire first electronic board and the entire second electronic board, the external connection terminals, and the support member with a synthetic resin so that the external connection terminals and the support member are partially exposed therefrom, wherein: the support member includes: a first support portion to which the first electronic board is bonded; a second support portion to which the second electronic board is bonded; and a pair of spacer portions provided to keep the second support portion and the first support portion at a distance from each other, the pair of spacer portions forming a space portion with the first electronic board and the second electronic board; the exterior covering material is formed by injecting the synthetic resin being heated and melted, into the space portion and spaces outside the space portion along the pair of spacer portions; the plurality of circuit components include: inner circuit components provided inside the space portion; and outer circuit components provided outside the space portion; and the inner circuit components are situated inside one of a window hole formed through the support member or a depressed portion provided to the support member so that the inner circuit components are prevented from being brought into contact with the support member, the inner circuit components facing one of the first electronic board and the second electronic board, the first electronic board and the second electronic board being opposed to each other, with a gap interposed therebetween.