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Video-based Optical Contact Angle Meter - Model 300
The Model 300 is an instrument for the semi-conductor industry starting into the contact angle measuring technique and drop shape analysis, for the software-controlled measurement and analysis of :

     The static and dynamic contact angle according to the Sessile and Captive Drop method as well as the analysis of the drop shape according to the Pendant Drop method
     The wetting behavior on solid surfaces
     The surface free energy of solids and their components
     The surface and interfacial tension out of the analysis of the drop shape

The Model 300 consists of the basic hardware with the following technical features:

     Basic platform with needle holder and syringe support
     Homogeneous LED back lighting electronics with continuously adjustable intensity
     Measuring stage , adjustable in three axis for the accurate sample positioning
     Adjustable tilt optics
     High-performance six-fold zoom lens with an integrated continuous fine focus
     High performance 1280 x 1024 2.0 USB high speed/high performance camera
     Manual or auto dosing unit with fine adjustable syringe
     Integral X-Y-Z fine adjustable needle holder

The Model 300 Software developed for Windows NT/2000/XP offers by various expansion steps:

    1. Static and dynamic contact angle measurement according to the Sessile and Captive Drop method
    2. Sessile Drop method using 4 different fitting algorithms : Laplace-Young Fitting, Circle Fitting, Conic         Fitting, Polynomial Fitting (Tangent Fitting)
    3. Surface tension and interfacial tension of a liquid/liquid system can be determined by using the         Pendant Drop (or Rising Bubble) method and/or Captive Bubble method
    4. Auto baseline detection with manual curved-surface baseline function
    5. Movie video recording or computation functions with rate of 50 - 60 fps for dynamic study like         absorption, spreading, reaction kinetics, software trigger function with recording and playing speed,         time settings etc.
    6. Gauge ball, needle or known liquids calibration function
    7. Result Data Center for storing, managing, analyzing and exporting measuring data by user-defined         tasks or drops basis, computation results with display items settings and graph view
    8. Surface free energy computation with methods Wu, Zisman plot, Owens-Wendt, Fowkes, Extended         Fowkes, Acid-Base, Equation of State etc. using chemical substances and test samples database
    9. Wetting behavior analyzer for building wetting envelopes on all SFE methods

Technical Data:

     Size of the sample stage: 360°rotational sample stage up to 12" wafer
     Maximum sample size : up to 12" wafer
     Size of the device (L x W x H): 60 x 20 x 35 cm
     Range of contact angle measuring: 0~180° ± 0.1°
     Range of surface and interfacial tension: 0.01 ~ 2,000 mN/m ± 0.05 mN/m
     Optics: High precision 6X parfocal macro video zoom lens with an integrated continuous fine focus
        Resolution: 1280 x 1024 pixel high resolution / high speed USB camera
     Weight: 20.0 kg

Optional Results Items
Model 300
Sessile Drop
Pendant Drop
Wetting Behavior Analyzer
Graph Diagram
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