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US 2006/0039101 A1Published application
Niobium capacitor and method for manufacturing same
AssigneeRohm Co., Ltd.
InventorChojiro Kuriyama
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Abstract
A niobium capacitor comprising an anode (1) with niobium as its main component, and a dielectric layer (4) formed on the anode. The anode (1) and the dielectric layer (4) are in close contact with each other with an interface therebetween. A junction region is defined as the region including the interface. The junction region contains a specific amount of manganese.
Claims20
A niobium capacitor comprising:
- an anode with niobium as its main component;
- and
- a dielectric layer formed on said anode,
- wherein the junction region between said anode and said dielectric layer contains manganese.
1 more element
A method for manufacturing a niobium capacitor, comprising the steps of:
- forming an anode containing niobium and manganese;
- and
- forming a dielectric layer on said anode.
A method for manufacturing a niobium capacitor, comprising the steps of:
- forming an anode containing niobium, and forming a dielectric layer containing niobium oxide as its main component and 0.1 to 10 wt % of manganese.
Dependencies are inferred from the claim text.