Capacitor structures
First Claim
1. A capacitor structure, comprising:
- a substrate;
a first electrode disposed on the substrate, the first electrode comprising a conductive layer, a first conductive post electrically connected to the conductive layer and a second conductive post electrically connected to the conductive layer, wherein the substrate defines a cavity and the first conductive post and the second conductive post are disposed within the cavity;
a planarization layer disposed on and covering the first electrode, the planarization layer disposed in a space between the first conductive post and the second conductive post;
a first dielectric layer disposed on the planarization layer and in the space between the first conductive post and the second conductive post; and
a second electrode disposed on the first dielectric layer.
1 Assignment
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Accused Products
Abstract
A capacitor structure is disclosed. The capacitor structure includes a substrate, and a first electrode disposed on the substrate, the first electrode including a conductive layer, a first conductive post electrically connected to the conductive layer and a second conductive post electrically connected to the conductive layer. The capacitor structure further includes a planarization layer disposed on and covering the first electrode, the planarization layer disposed in a space between the first conductive post and the second conductive post, a first dielectric layer disposed on the planarization layer and in the space between the first conductive post and the second conductive post, and a second electrode disposed on the first dielectric layer.
11 Citations
19 Claims
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1. A capacitor structure, comprising:
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a substrate; a first electrode disposed on the substrate, the first electrode comprising a conductive layer, a first conductive post electrically connected to the conductive layer and a second conductive post electrically connected to the conductive layer, wherein the substrate defines a cavity and the first conductive post and the second conductive post are disposed within the cavity; a planarization layer disposed on and covering the first electrode, the planarization layer disposed in a space between the first conductive post and the second conductive post; a first dielectric layer disposed on the planarization layer and in the space between the first conductive post and the second conductive post; and a second electrode disposed on the first dielectric layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A capacitor structure, comprising:
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a substrate; a first electrode disposed on the substrate, the first electrode comprising a conductive layer and a plurality of conductive posts; a first dielectric layer disposed on the first electrode, at least a portion of the first dielectric layer surrounded by the plurality of conductive posts; a second electrode disposed on the first dielectric layer; a second dielectric layer disposed on the second electrode; a third electrode disposed on the second dielectric layer; a first conductive contact electrically connected to the first and third electrodes; and a second conductive contact electrically connected to the second electrode. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A method of forming a capacitor structure, comprising:
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providing a substrate, wherein the substrate defines a cavity; forming a first electrode on the substrate, the first electrode comprising a conductive layer and a plurality of conductive posts disposed on and electrically connected to the conductive layer, the plurality of conductive posts defining at least one first recess having one or more sidewalls and a bottom surface, wherein the plurality of conductive posts are disposed within the cavity; forming a planarization layer overlying the first electrode and covering the one or more sidewalls and the bottom surface of the at least one first recess; forming a first dielectric layer overlying the planarization layer; and forming a second electrode overlying the first dielectric layer. - View Dependent Claims (19)
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Specification