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 VCA-1000

VCA-2000

 VCA-4000

Hardware & software Accessories

  

 

 

 

 

AST Products, VCA3000 product photo

Wafer Surface Analysis System

Throughout the semiconductor manufacturing process, the VCA-3000™ systems offer quick and accurate analysis of wafer surface conditions so process quality is assured before applying to large amounts of production wafers.

The VCA-3000 systems incorporate computerized video imaging with contact angle analysis to evaluate wafer surface conditions. The contact angle is defined by the tangent created at the interface of a liquid droplet with the wafer surface. It is directly related to the phenomenon of surface energy which is a critical factor for adhesion, cleanliness evaluation and coating assessment.

Applications include:

  • Coating assessment of the HMDS process
  • Surface contamination detection
  • Adhesive and primer preparation
  • Coating uniformity
  • Coating quality

Features

VCA-3000 Family Product Features

 

VCA-3000S

VCA-3000XE™

VCA-3000mp™

wafer size

up to 300mm

100, 150 and 200mm

150, 200, and 300mm

operational mode

manual

automatic

automatic

Software Features

manual contact angle calculation

image save & export

statistical data analysis

automatic contact angle calculation

programmable motorized dispenser

automatic location of test points

not available

automatic droplet placement

not available

automatic mapping of wafer surface

not available

programmable wafer test patterns

not available

large capacity syringe

not available

dynamic image capture at 60 frames per second

not available

not available

surface energy analysis

pendant drop analysis for surface tension

not available

not available

Hardware

Processor

Pentium

Pentium

Pentium

RAM

32 MB

16 MB

16 MB

HDD

1.0 GB

1.0 GB

1.0 GB

FD

3.5" 1.44 MB

3.5" 1.44 MB

3.5" 1.44 MB

Monitor

17"

17"

17"

CD-ROM

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