Patent ID: 6720500
Filing Date: 2004-04-13
Classification: H01L,H01R,H05K,Y10T

Abstract:
A plug-in type electronic control unit, comprising a wiring board, a plurality of electronic parts mounted on one of opposite surfaces of said wiring board by utilizing a wireless bonding process, and a plug member mounted on the other surface of said wiring board by utilizing a wireless bonding process;wherein said electronic control unit has a connection structure comprising a connecting terminal of said wiring board, a pin-shaped contact of said plug member which is opposed to said connecting terminal, a conductive bonding material which electrically connects said connecting terminal and said pin-shaped contact to each other, and an electric insulator surrounding said conductive bonding material and sandwiched between said wiring board and said plug member; and wherein the relationship between a diameter d of said pin-shaped contact and a thickness e of said electric insulator is set at e>d, and a distance f between a tip end of said pin-shaped contact and said connecting terminal is set in a range of f>0.02 mm.