Electronic component module and manufacturing method thereof
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United States of America Patent
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Dec 19, 2017
Issued Date -
N/A
app pub date -
Dec 22, 2015
filing date -
Mar 18, 2015
priority date (Note) -
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Abstract
An electronic component module includes a substrate; at least one electronic component mounted on an electronic component mounting surface of the substrate; an insulating body covering the electronic component on the electronic component mounting surface of the substrate; and a metal film formed by sputtering, the metal film covering at least one exterior surface of the insulating body and at least one side surface of the substrate. The substrate has a recess portion formed on a periphery of the surface of the substrate that is opposite to the electronic component mounting surface, and the recess portion has a top surface parallel to the electronic component mounting surface and a side surface perpendicular to the top surface, and the metal film is extended to cover the top surface of the recess portion, without covering the side surface thereof. It obtains improved electromagnetic wave shielding effect and improved manufacturing efficiency.
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