Category : Semiconductor equipment > Wafer test/inspection and measurement systems

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To improve the yield in the semiconductor manufacture process, the causes of defect must be examined by both visual observation and elements analysis in SEM.

JWS-2000 can link coordinate data, move the stage to the defect position easily, and then inspect & observe it on high resolution SEM by using online networking to various kinds of optical defect inspection systems. Using ADR (Auto Defect Review) and ADC (Auto Defect classification), The JWS can collect defect data automatically and classify to find the source quickly. An important feature is ease of operation without special training.

By employing a super-conical objective lens, the wafer can be tilted up to 60° without changing working distance. High resolution is maintained even in tilting observation.

It is not necessary to adjust each axis with changing observation conditions. The JWS can be equipped with various optional functions such as; CD measurement, optical microscope, EDS, INDEXER etc.

Accelerating voltage: 0 ~ 15kV
Resolution: 5nm at 1 kV
Long term Beam Stability by TFE Electron Beam (flashing unnecessary )
High resolution image at 60° Tilt of 200mm wafer by employing super-conical objective lens
User Friendly operation with advanced GUI
High throughput defect inspection on-line with communication to optical defect inspection systems
Example of pattern defect observation by JWS-2000

The JWS-2000 can obtain useful information for improving yield in manufacture process. The source of the defect and particles can be observed at high magnifications as well as multiple changing of tilt and rotation angles.

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List of all articles in this sub-category Wafer test/inspection and measurement systems

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