Patent ID: 6452112
Filing Date: 2002-09-17
Classification: H05K,Y02P

Abstract:
An electronic circuit unit comprising:a circuit board having conductive patterns formed on an upper face thereof; end face electrodes formed on an end face of said circuit board, said end face electrodes being connected to said conductive patterns; and conductive lands connected to said end face electrodes, said conductive lands being formed on a lower face of said circuit board, wherein electronic components of at least a resistor and a capacitor are connected to said conductive patterns and are mounted on the upper face of said circuit board, a solder resist is provided on the lower face of said circuit board, said lands each comprise a broad width land exposed from said solder resist and connected to said end face electrodes and one or more thin width lands tied with said broad width land in a state of being exposed from said solder resist, and said broad width land has a solder buildup formed thereon.