| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a circuit board suitable to simply detect an abnormal state of caulking treatment and to provide a method for detecting the abnormal state of the circuit board. <P>SOLUTION: The circuit board 1 includes a first pad 100b for caulking, formed on one end of a first surface wiring pattern 100a formed on a front side 11 of the circuit board and having a positional relation to be superposed on a fourth pattern 200b for caulking and a rear wiring pattern 200d for conduction, formed on one end part of the first rear wiring pattern 200a formed on the rear side 12 opposed to the first pad 100b. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
