Semiconductor device and method of manufacturing the same

US9293441B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9293441-B2
Application numberUS-201113252714-A
CountryUS
Kind codeB2
Filing dateOct 4, 2011
Priority dateDec 9, 2005
Publication dateMar 22, 2016
Grant dateMar 22, 2016

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  2. Abstract

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  3. Assignees and inventors

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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.

The present invention provides a semiconductor device that includes: stacked semiconductor chips, each semiconductor chip including a semiconductor substrate and a first insulating layer that is provided on side faces of the semiconductor substrate and has concavities formed on side faces thereof; first metal layers that are provided in center portions of inner side faces of the concavities; and second metal layers that are provided in the concavities and are connected to the first metal layers formed on each semiconductor chip. The present invention also provides a method of manufacturing the semiconductor device.

First claim

Opening claim text (preview).

The invention claimed is: 1. A wireless communications device, comprising: a flash memory comprising: a plurality of stacked semiconductor chips, at least one of the semiconductor chips comprising: a semiconductor substrate; a first insulating layer on a top face and side faces of the semiconductor substrate with concavities on side faces thereof, wherein said concavities have planar side surfaces that extend vertically from a first edge at the top face of the semiconductor su…

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What does patent US9293441B2 cover?
The present invention provides a semiconductor device that includes: stacked semiconductor chips, each semiconductor chip including a semiconductor substrate and a first insulating layer that is provided on side faces of the semiconductor substrate and has concavities formed on side faces thereof; first metal layers that are provided in center portions of inner side faces of the concavities; an…
Who is the assignee on this patent?
Hoshino Masataka, Kasai Junichi, Meguro Kouichi, and 6 more
What technology area does this patent fall under?
Primary CPC classification H10W90/00. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Mar 22 2016 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).