System and method for defect analysis of a substrate

US8965102B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8965102-B2
Application numberUS-201213673664-A
CountryUS
Kind codeB2
Filing dateNov 9, 2012
Priority dateNov 9, 2012
Publication dateFeb 24, 2015
Grant dateFeb 24, 2015

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Abstract

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The present disclosure provides a method including providing a first image and a second image. The first image is of a substrate having a defect and the second image is of a reference substrate. A difference between the first image and the second image is determined. A simulation model is used to generate a simulation curve corresponding to the difference and the substrate dispositioned based on the simulation curve. In another embodiment, the scan of a substrate is used to generate a statistical process control chart.

First claim

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What is claimed is: 1. A method, comprising: providing a first pseudo-color image and a second pseudo-color image, wherein the first pseudo-color image is of a substrate scanned at a first point in time and the second pseudo-color image is of the substrate scanned at a second point in time, wherein the second point in time is at least one day later than the first point of time; determining, using an image analysis computing system, a difference between the first pseudo-color ima…

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What does patent US8965102B2 cover?
The present disclosure provides a method including providing a first image and a second image. The first image is of a substrate having a defect and the second image is of a reference substrate. A difference between the first image and the second image is determined. A simulation model is used to generate a simulation curve corresponding to the difference and the substrate dispositioned based o…
Who is the assignee on this patent?
Taiwan Semiconductor Mfg
What technology area does this patent fall under?
Primary CPC classification G06K9/03. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Feb 24 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).