Metal laminated structure and method for producing the same

US8993121B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8993121-B2
Application numberUS-201013580082-A
CountryUS
Kind codeB2
Filing dateDec 27, 2010
Priority dateFeb 19, 2010
Publication dateMar 31, 2015
Grant dateMar 31, 2015

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  2. Abstract

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  4. Key dates

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  5. First independent claim

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Abstract

Official abstract text for this publication.

There is provided a metal laminated structure in which a first metal layer containing tungsten is provided on a first surface of a second metal layer containing copper and a third metal layer containing tungsten is provided on a second surface of the second metal layer opposite to the first surface, and the first metal layer contains crystal grains of tungsten in a form of a columnar crystal extending in a direction perpendicular to the first surface of the second metal layer and the third metal layer contains crystal grains of tungsten in a form of a columnar crystal extending in a direction perpendicular to the second surface of the second metal layer, and a method for producing the metal laminated structure.

First claim

Opening claim text (preview).

The invention claimed is: 1. A metal laminated structure comprising a first metal layer containing tungsten, a second metal layer containing copper, and a third metal layer containing tungsten, said first metal layer being provided on a first surface of said second metal layer, said third metal layer being provided on a second surface of said second metal layer opposite to said first surface, said first metal layer containing crystal grains of said tungsten in a form of a colu…

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What does patent US8993121B2 cover?
There is provided a metal laminated structure in which a first metal layer containing tungsten is provided on a first surface of a second metal layer containing copper and a third metal layer containing tungsten is provided on a second surface of the second metal layer opposite to the first surface, and the first metal layer contains crystal grains of tungsten in a form of a columnar crystal ex…
Who is the assignee on this patent?
Nitta Koji, Inazawa Shinji, Hosoe Akihisa, and 7 more
What technology area does this patent fall under?
Primary CPC classification H10W40/255. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Mar 31 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).