SUBSTRATE HAVING ELECTRONIC COMPONENT EMBEDDED THEREIN

A substrate having an electronic component embedded therein includes a core structure including a first insulating body and first wiring layers and having a cavity, an electronic component embedded in the cavity, a build-up structure including a second insulating body, covering at least a portion of each of the core structure and the electronic component and filling a portion of the cavity, and second wiring layers, a first passivation layer disposed on a side of the core structure opposing a side of the core structure on which the build-up structure is disposed, and a second passivation layer disposed on a side of the build-up structure opposing a side of the build-up structure on which the core structure is disposed, wherein the first and second passivation layers include different types of materials.