MULTILAYER SUBSTRATE AND ELECTRONIC DEVICE USING THE SAME, METHOD OF MANUFACTURING ELECTRONIC DEVICE

摘要

PROBLEM TO BE SOLVED: To prevent a surface pattern from being covered with a mold resin.SOLUTION: A type tread portion 64 having a frame-like surface layer conductor 64a formed between a land 61 and a surface pattern 63 while surrounding the land 61 and being insulated from the land 61 and the surface pattern 63, and a protective film 110 covering the surface layer conductor 64a, is formed on one side 30a of a build-up layer 30. The height of the protective film 110 in the type tread portion 64 from the one side 30a of a build-up layer 30 is set equal to or higher than the height of the protective film 110 from the one side 30a of a build-up layer 30 at a portion covering the surface pattern 63.