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Defect Detection Series

Semiconductor Substrate Defect Detection Equipment

Facing the upstream raw material manufacturing enterprises and the midstream wafer manufacturing enterprises in the semiconductor industry chain, the independent developed optical bright and dark field detection system is used to detect the appearance defects of semiconductor raw materials, epitaxial wafers and patterned wafers.
Semiconductor Substrate Defect Detection Equipment
Defect Detection Series
Facing the upstream raw material manufacturing enterprises and the midstream wafer manufacturing enterprises in the semiconductor industry chain, the independent developed optical bright and dark field detection system is used to detect the appearance defects of semiconductor raw materials, epitaxial wafers and patterned wafers.

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PRODUCT DATA


Product advantages:

  • • Applicable to a variety of wafers

   Suitable for 4-8 inch wafers, substrates, epitaxial wafers and patterned wafers

  • • Can detect a variety of defects

   Detect particles, pits, bumps, scratches, stains, cracks and other defects

  • • High resolution

   System resolution: 1-10 μ m 

  • • Fast detection speed

   No pattern wafer: 180 seconds / wafer when the number of defects is less than 200

 


Sample display:



Sample 1

defect detection machine

 

Sample 2

defect detection machine

 

Sample 3

defect detection machine




Item

Main parameters

General parameters

Wafer size

 Standard 4 ", 6" (expandable 4 "- 8")

Number of boxes

Double-deck, 14 pcs

Loading and unloading method

Robot, mapping scanning

Motion platform

Y stroke 350mm，repetitive accuracy 10μm
Z strooke 8mm，repetitive accuracy 5μm

Capacity

4" , 140WPH     6" ,  120WPH

Detection performance

Test accuracy

7 μm

Camera

 High resolution industrial camera

Lens

 HD industrial lens
Light source Patented light source

Environment requirement

Power supply specification

AC220V，   50Hz

Air source requirements

0 .5-0 .7Mpa compressed air, without obvious water vapor and grease

Using environment

Temperature: 15-40 ℃. Humidity requirement: 30% - 70%, no frost

Overall size

1800mm*1300mm*2250mm


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