| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electronic circuit board including a through electrode held in the prescribed position of a substrate while maintaining high position accuracy and a method of manufacturing the electronic circuit board. <P>SOLUTION: An electronic circuit board 1 includes a substrate 2 made of insulation material, one or multiple through electrodes 3, made of a conductive material and disposed by penetrating the substrate 2, and recessed parts 4 formed at one end, exposed from the substrate 2, of the through electrodes 3. <P>COPYRIGHT: (C)2012,JPO&INPIT |
