| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a printed circuit board comprising passive elements in the structure that moisture absorption of passive elements can be prevented, change in the capacitance value of passive elements resulting from moisture absorption can be controlled, and moisture absorbed by the comprised passive elements can be removed easily; and also to provide a method of manufacturing the same printed circuit board. <P>SOLUTION: The printed circuit board comprises passive elements which includes a single layer or more layers of insulating layer and wiring layer and comprises any one or more passive elements among the capacitor, a resistance element, and an inductor in at least one layer of insulating layers, the insulating layer comprising passive elements is formed of a porous insulating material. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
