| 摘要 |
Provided is a thin compact circuit board that has a function to block the entrance of noises into internal electronic components and that further has an enhanced robustness against external stresses as well as a high reliability. A circuit board (1), which is shaped in a thin rectangular parallelepiped, comprises a substrate (2), a recess (3), electronic components (4), groves (5), electrodes (6), an insulative resin (7) and a conductive resin (8). The conductive resin (8) is connected to an electrode (6B) within each grove (5), so that even if external stress is added to the circuit board surface, the stress to the interface between the conductive resin (8) and the electrode (6B) within the substrate (2) can be reduced, thereby allowing the electric connection to have an enhanced tolerance to the external stress. Further, since the conductive resin (8) enters into the groves (5), the connection between the substrate (2) and the conductive resin (8) can be enhanced. |
