Patent ID: 8263875
Filing Date: 2012-09-11
Classification: H05K,Y02P

Abstract:
1. A surface mounting structure for a surface mounting electronic component, comprising: an electronic component having electrodes at opposite ends thereof, the electronic component being a chip component including a chip resistor and a chip capacitor; a land each of which is connected directly to the respective electrode of the electronic component by soldering; a wiring connected to the land, the wiring having a width which is smaller than a width of the electronic component in a width direction thereof; an electrical connection pattern having on a side on which the wiring is connected to the electrical connection pattern a width which is larger than the width of the electronic component in the width direction thereof; and a metal substrate on which the electronic component is mounted, the metal substrate on which the land, the wiring and the electrical connection pattern is formed, wherein the land includes a restriction portion for the solder to form thereon into a fillet which faces an end face of the electronic component in a direction perpendicular to the longitudinal direction of the electronic component, and which restricts movement of the electronic component in melting the solder, and a projection for the solder to form thereon into a fillet which faces a side face of the electronic component in the longitudinal direction of the electronic component, and the wiring is connected to the land at the projection.