Patent ID: 9030808
Filing Date: 2015-05-12
Classification: H01G,H05K

Abstract:
1. A capacitor, comprising: a substrate, having a first electrode and a porous structure, wherein the first electrode has a first surface and a second surface opposite to the first surface, the porous structure is disposed on the second surface, the porous structure in a plurality of distribution regions have different depths, wherein the distribution regions includes a first and a second distribution regions, the porous structure in the first distribution region has a first depth relative to the second electrode and a first capacitance, the porous structure in the second distribution region has a second depth relative to the second electrode and a second capacitance, the first depth is smaller than the second depth, and the first capacitance is unequal to the second capacitance; an oxide layer, disposed on a surface of the porous structure; a second electrode, disposed on the oxide layer and including a conductive polymer material layer; an insulating layer, disposed on a surface of the second electrode away from the substrate, wherein the insulating layer has a third surface and a fourth surface opposite to the third surface, and the fourth surface is connected with the second electrode; a plurality of conductive sheets, respectively disposed on the first surface of the first electrode and the third surface of the insulating layer; and a plurality of vias, electrically connected with the corresponding conductive sheets according to different polarities.