Functional substrate and method for manufacturing same

Abstract

The present disclosure provides a functional substrate and a preparation method thereof, and belongs to the technical field of passive devices. A functional substrate of the present disclosure has a central region and a peripheral region surrounding the central region; the functional substrate includes: a dielectric substrate including a first surface and a second surface opposite to each other in a thickness direction thereof; the dielectric substrate includes functional holes and anchor holes each at least penetrating through the first surface; wherein the functional holes are located in the central region and the anchor holes are located in the peripheral region; the first connection structure is in the functional hole, the second connection structure is in the anchor hole, and the first connection structure and the second connection structure are made of the same material.

Dependencies are inferred from the claim text.