Patent ID: 9131635
Filing Date: 2015-09-08
Classification: H05K,Y10T

Abstract:
1. A manufacturing method of a substrate structure, comprising: providing a base material, wherein the base material has a core layer, and a first copper foil layer and a second copper foil layer located at a first surface and a second surface of the core layer, where the first surface and the second surface are opposite to each other; performing a surface treatment on the first copper foil layer and the second copper foil layer, so as to form a first roughened surface and a second roughened surface respectively on the first copper foil layer and the second copper foil layer; irradiating a laser beam on the first roughened surface of the first copper foil layer, so as to form at least one first blind hole extending from the first copper foil layer to the second surface of the core layer; performing an etching process on the second copper foil layer, so as to form at least one second blind hole extending from the second copper foil layer to the second surface of the core layer, wherein the second blind hole connects with the first blind hole to constitute of at least one through hole; and forming a conductive layer on the first copper foil layer and the second copper foil layer, wherein the conductive layer fills up the through hole and covers the first copper foil layer and the second copper foil layer.