Patent ID: 11871523
Assignee: MURATA MANUFACTURING CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An electronic component module comprising:
a substrate having a first main surface and a second main surface, the second main surface being a mount side;
a first electronic component mounted on the first main surface and having a facing surface facing the substrate and an opposite surface opposite to the facing surface;
an insulating resin covering a side of the first main surface; and
a shield film covering the insulating resin, wherein
the opposite surface is exposed from the insulating resin,
the shield film covers the opposite surface,
the opposite surface has an uneven portion,
the opposite surface has a printing groove, and a depth of the printing groove is larger than a surface roughness of the uneven portion, and
a concave portion of the uneven portion has a smoother shape than a convex portion of the uneven portion.