| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide such a structure that prevents the effect of static electricity on circuits or electronic parts mounted inside a printed circuit board. Ž<P>SOLUTION: The printed circuit board 40 includes a mounting surface 12 to which electronic parts are mounted, a grounding pattern 50 formed in the vicinity of the electronic parts, and signal lines that are electrically connected with the electronic parts in the grounding pattern 50 on the mounting surface 12. In this case, the grounding pattern 50 includes the main line section 51 of the grounding pattern that is formed in the vicinity of at least either of the electronic part or the signal line, and a first protrusion 52 that is projected to at least one side of the electronic part or the signal line from the main line section 51 of the grounding pattern. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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