Fabrication method for a chip package

US9064950B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9064950-B2
Application numberUS-201314135506-A
CountryUS
Kind codeB2
Filing dateDec 19, 2013
Priority dateDec 1, 2009
Publication dateJun 23, 2015
Grant dateJun 23, 2015

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  2. Abstract

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  5. First independent claim

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Abstract

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An embodiment of the present invention relates to a chip package and fabrication method thereof, which includes a chip protection layer or an additional etching stop layer to cover conducting pads to prevent dicing residue from damaging or scratching the conducting pads. According to another embodiment, a chip protection layer, an additional etching stop layer formed thereon, or a metal etching stop layer level with conducting pads or combinations thereof may be used when etching an intermetal dielectric layer at a structural etching region and a silicon substrate to form an opening for subsequent semiconductor manufacturing processes.

First claim

Opening claim text (preview).

What is claimed is: 1. A method for forming a chip package, comprising: providing a semiconductor substrate covered by an intermetal dielectric layer, wherein the semiconductor substrate includes a plurality of device regions, a structural etching region, and a peripheral pad region spaced apart laterally, wherein the peripheral pad region contains a plurality of conducting pads; providing a chip protection layer covering the intermetal dielectric layer and the conducting pads;…

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What does patent US9064950B2 cover?
An embodiment of the present invention relates to a chip package and fabrication method thereof, which includes a chip protection layer or an additional etching stop layer to cover conducting pads to prevent dicing residue from damaging or scratching the conducting pads. According to another embodiment, a chip protection layer, an additional etching stop layer formed thereon, or a metal etching…
Who is the assignee on this patent?
Xintec Inc
What technology area does this patent fall under?
Primary CPC classification H10P54/00. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Jun 23 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).