| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a multilayer wiring board wherein transmission loss is reduced effectively. <P>SOLUTION: In the multilayer wiring board equipped with a conductor line as a transmission line wherein the conductor line is sandwiched between conductor layers of two layers which are ground or a power source, characteristic impedance of the transmission line is 35-45Ω, distance between the conductor layers is 200-400μm, and further, line width of at least one transmission line is 100-250μm. <P>COPYRIGHT: (C)2004,JPO</p> |
