EdgeScan

100% wafer edge inspection and reliable defect detection

Wafer edge inspection from three perspectives

Wafer breakage during the polishing process can lead to long machine downtimes and thus to high costs. The damage often results from edge defects such as chippings, scratches, or micro-cracks at the wafer edge.

The EdgeScan inspection tool enables 100% inspection of the wafer edge. Integrated on the pre-aligner, the sensor creates a triple view of the edge with just one camera. 

The system reliably detects defects such as chippings, scratches, grinding marks, and other residues, even in the micrometer range. 
 
Easy integration as an optional expansion

EdgeScan can be integrated into the WafQScan and CrackScan inspection tools as an optional expansion.

This combination enables detailed wafer inspection, including inspection of the front and rear sides as well as the wafer edges, all in just one system. EdgeScan can be used in both front-end and back-end processes.

Defective wafers are ejected early on before they reach subsequent processes, resulting in a significant increase in production capacity.

  • Increased uptime: Minimize wafer breakage during processing
  • Customized, seamless integration into wafer handling solutions
  • Wafer edge inspection in parallel to other process steps - no influence on existing cycle times with scan speed up to 130°/sec
  • Inspection of the wafer edge from three perspectives
  • Ideal supplement to CrackScan or WafQScan
  • Optional notch inspection

Download additional information

EdgeScan brochure en

EdgeScan brochure en

Filename
brochure-edgescan-semiconductor-en.pdf
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464 KB
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application/pdf
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EdgeScan brochure cn

EdgeScan brochure cn
Filename
brochure-edgescan-semiconductor-cn.pdf
Size
523 KB
Format
application/pdf
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Discover the full range of applications for EdgeScan

Wafer Production

The EdgeScan inspection tool enables 100% wafer edge inspection and reliably detects defects in the micrometer range. Discover high precision technology.
iStock 1174954855

Back End Process

The EdgeScan inspection tool enables 100% wafer edge inspection and reliably detects defects in the micrometer range. Discover high precision technology.
back end process

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