To provide a circuit board to which an FPC substrate is connected, and to provide a method of connecting the FPC substrate and circuit board together such that an electric connection between a connection terminal of the circuit board and a connection terminal of the FPC substrate can be made accurately and speedily without providing any alignment mark.
At least two of connection terminals 20 of the circuit board 15 are made longer in length than other connection terminals 20 to protrude to a wiring formation part side of the circuit board 15 to have surfaces thereof exposed as dummy connection terminals 20a, and the exposed parts of the dummy connection terminals 20 are used as marks to align corresponding connection terminals 24 of the FPC substrate 12 which can be easily viewed in plan view with the dummy connection terminals 20a in plan view.
| JP4526813 | Manufacturing method of the joint |
| WO/2002/003769 | DEVICE AND BRIDGE CARD FOR A COMPUTER |
TAMURA MASANORI
Osamu Suzawa
Kazuhiko Miyasaka