| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a reliable wiring board having a lead pin for ensuring full junction strength between the lead pin and a connection pad formed on the wiring board, and to provide the lead pin used for the wiring board. <P>SOLUTION: In the wiring board 30 having the lead pin 20, the lead pin 20 is jointed to a connection pad 12 formed on a wiring board 10 via a conductive material 14, a projection 20c is formed at a surface side, opposing the connection pad 12 of a head section 20b formed at one end of a shaft section 20a, and tapered sections 20d, 20e are formed between the head section 20b and the base part of the shaft section 20a, and between the head section 20b and the base part of the projection 20c. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
