DEVICE AND METHOD FOR EVALUATING DEFECTS IN THE EDGE AREA OF A WAFER AND USE OF THE DEVICE IN INSPECTION SYSTEM FOR WAFERS

Patent №

US 8,089,622

Granted

2012-01-03

Filed 2008

Owner

VISTEC SEMICONDUCTOR SYSTEMS GMBH

Lab

AI components

1

vision

Assignment

Recorded

Dataset

AIPD

2023_r1 edition

Application

12039047

A device for evaluating defects in the edge area of a wafer (6) is disclosed. The evaluation may also be performed automatically. In particular, the device includes three cameras (25, 26, 27), each provided with an objective (30), wherein a first camera (25) is arranged such that the first camera (25) is opposite to an edge area on the upper surface (6a) of the wafer (6), wherein a second camera (26) is arranged such that the second camera (26) is opposite to a front surface (6b) of the wafer (6), and wherein a third camera (27) is arranged such that the third camera (27) is opposite to an edge area on the lower surface (6c) of the wafer (6).

AI classification

Vision1.00
Evolutionary computation0.01
Natural language0.00
AI hardware0.00
Machine learning0.00
Speech0.00
Planning0.00
Knowledge representation0.00

Ownership

VISTEC SEMICONDUCTOR SYSTEMS GMBH

assignment · 205770749

Assignors

BIRKNER, ANDREAS, HOFMANN, MICHAEL, VOLLRATH, WOLFGANG, DR.

On an employer assignment, the assignors are typically the inventors.

From the same owner

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