Advanced Video Contact Angle Measurement System

AST VCA 3000S

Product Overview

The VCA 3000S is a high-precision video contact angle measurement system designed specifically for wafer surface analysis in semiconductor processing quality control. It provides quick and accurate contact angle and surface energy analysis to evaluate adhesion, cleanliness, and coatings on wafer surfaces.

With a large 12” sample platform, a high-resolution camera, and advanced PC-based imaging software, the VCA 3000S allows for automatic and dynamic droplet capture, ensuring precise measurement of surface characteristics. The motorized syringe assembly eliminates human error and provides consistent droplet dispensing, making it ideal for quality assurance, research, and development applications.

 

Key Features

  • Automatic Contact Angle Imaging & Calculation – Ensures repeatable and precise wettability analysis.
  • Dynamic Droplet Capture – Movie viewing of droplet behavior for time-sensitive studies.
  • Surface Energy Analysis – Measures surface energy in dynes/cm for adhesion evaluation.
  • 300mm Rotating Stage – Provides access to all areas of the wafer.
  • High-Resolution Video Camera – Captures detailed droplet images with precision imaging software.
  • Motorized Syringe Assembly – 1.8-degree stepping motor for accurate liquid dispensing.
  • Pendant Drop Surface Analysis – Determines surface tension and interfacial properties.
  • Statistical Process Control (SPC) Software – Tracks measurement trends for quality control.
  • Safe & Easy Sample Handling – Syringe head tilts back for easy removal of large samples.
  • Flat-Screen Monitor & High-Performance Video Board – Enhances visualization and data processing.

 

Specifications

Feature Specification
Sample Platform Size 12” Circular
Compatible Sample Sizes 4”, 6”, 8”, 12” circular
Movement Along Optical Axis 6” (manual sliding with lock)
Transverse Movement 6” (dial-controlled)
Vertical Travel Distance 2” (dial-controlled)
Rotating Stage 360° (manual with Planary Bearing)
Camera & Lighting High-resolution video camera with LED lighting
Syringe Assembly Motorized with 1.8-degree stepping motor
Software Modules AutoFAST (contact angle), Dynamic-2500 (time-based analysis), SE-2500 (surface energy), SPC (statistical process control), PDAST (pendant drop for surface tension)
System Dimensions (L x W x H) 32” x 12” (min) / 18.5” (max) x 16.5”
Weight 47 lbs.

 

Applications

  • Coating Assessment of HMDS Process – Ensures uniform adhesion and surface preparation.
  • Surface Contamination Detection – Evaluates cleanliness of semiconductor wafers.
  • Coating Uniformity & Quality Control – Assesses the effectiveness of coatings for semiconductor processing.
  • Adhesive & Primer Preparation – Determines surface compatibility before bonding applications.
  • Wettability & Surface Energy Analysis – Critical for coatings, polymers, and biomaterials research.
  • Surface Tension Measurement – Supports interfacial studies for industrial applications.
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