Patent ID: 9101044
Filing Date: 2015-08-04
Classification: H01L,H05K,Y10T

Abstract:
1. A circuit module, comprising: a substrate having a mount surface; a mount component mounted on the mount surface; a sealing body having a main surface and an outer peripheral surface, the sealing body sealing the mount component, the main surface sandwiching the mount component between the main surface and the mount surface, the outer peripheral surface covering the mount component on the mount surface; a trench having a groove-like shape, the trench being recessed from the main surface of the sealing body to the mount surface, the trench having two end portions adjacent to and spaced apart from the outer peripheral surface, the trench having an intermediate portion extending continuously along the mount surface from one end portion to the other end portion with the end portions being spaced apart from one another in a direction parallel to the sealing body main surface, the two end portions each having either a stepped configuration or a lower portion thereof that extends up toward the sealing body main surface in an inclined or a curved manner and being formed to be shallower than the intermediate portion of the trench extending between the two end portions, the intermediate portion having a constant depth; and a shield having an external shield portion covering the main surface and the outer peripheral surface of the sealing body, and an internal shield portion being filled in the trench with the external shield portion along the outer peripheral surface being spaced from the internal shield portion in the two end portions of the trench.