| 摘要 |
<P>PROBLEM TO BE SOLVED: To form a conductor pattern having good electrical characteristics while ensuring sufficient production efficiency. <P>SOLUTION: The manufacturing method of a printed wiring board includes a step S11 for forming an insulation resin layer containing inorganic filler at a content of 30 wt% or higher, a step S12 for forming a conductor on the insulation resin layer, and a step S14 for forming a conductor pattern on the insulation resin layer by irradiating the conductor with a laser beam thereby dividing the conductor or narrowing the width of the conductor. <P>COPYRIGHT: (C)2012,JPO&INPIT |
