Method of making interconnect structure

US8946074B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8946074-B2
Application numberUS-201113285007-A
CountryUS
Kind codeB2
Filing dateOct 31, 2011
Priority dateSep 30, 2008
Publication dateFeb 3, 2015
Grant dateFeb 3, 2015

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Abstract

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A method of forming a semiconductor device, comprising: providing a Si-containing layer; forming a barrier layer over said Si-containing layer, said barrier layer comprising a compound including a metallic element; forming a metallic nucleation_seed layer over said barrier layer, said nucleation_seed layer including said metallic element; and forming a metallic interconnect layer over said nucleation_seed layer, wherein said barrier layer and said nucleation_seed layer are formed without exposing said semiconductor device to the ambient atmosphere.

First claim

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What is claimed is: 1. A method semiconductor device, comprising: providing a Si-containing layer; forming a metallic contact layer over said Si-containing layer, said contact layer including a metallic element; forming a forming a barrier layer over said Si-containing layer, said barrier layer comprising a compound including said metallic element; forming a metallic nucleation_seed layer over said barrier layer, said nucleation seed layer including said metallic element; an…

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What does patent US8946074B2 cover?
A method of forming a semiconductor device, comprising: providing a Si-containing layer; forming a barrier layer over said Si-containing layer, said barrier layer comprising a compound including a metallic element; forming a metallic nucleation_seed layer over said barrier layer, said nucleation_seed layer including said metallic element; and forming a metallic interconnect layer over said nucl…
Who is the assignee on this patent?
Koerner Heinrich, Infineon Technologies Ag
What technology area does this patent fall under?
Primary CPC classification H10D64/0111. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Feb 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).