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  5. DMo-WA series

DMo-WA series

DMo-WA series

DMo-501WA: manual droplet deposition, manual x-axis with manual rotation stage

DMo-WA series

DMo-701WASA: automatic droplet deposition, automatic x-axis with manual rotation stage on an external tilting stage

DMo-WA series

DMo-901WA: automatic droplet deposition, automatic x-axis with automatic rotation stage

DMo-WA series

DMo-901WA: automatic 360 degree rotation stage with automatic x-axis

DMo-WA series

Add-on module for measurements of roll-off speed and roll-off acceleration

DMo-WA series
DMo-WA series
DMo-WA series
DMo-WA series
DMo-WA series
  • Automatic recognition of drop deposition
  • Live image display and droplet volume monitoring
  • Movie converter
  • Automatic dispenser with a set of 5 glass syringes and 5 SUS needles for precise adjustment of droplet volume and quick refilling and replacement of liquid samples
  • Fine adjustable stage in x- and z-axis for exact positioning and gentle deposition of droplets without distortion
  • Adjustable level of the body and stage
  • Droplet calibration standard for standard view, bearing one full circle for calibration and three droplet silhouettes of 5°, 60° and 108° for periodic inspection of measurement accuracy

Hardware

  • Tilting stage for measurements of roll-off angles, incl. FAMAS software add-in [Sliding method] (except 901)
  • Add-on module [Dynamic sliding method] for measurement of roll-off speed and roll-off acceleration. Only in combination with tilting stage package (except 901)
  • Multi manual dispenser holder
  • Multi automatic dispenser system
  • Large capacity pump dispenser, incl. a 50μl liquid container
  • Surface free energy kit
  • Pendant drop kit (for standard & wide view)
  • Droplet calibration standard (for wide 1 view)
  • Pendant drop kit (for standard & wide view)
  • Kit for captive-bubble-measurements
  • Pendant drop calibration standard (for standard view)
  • Pendant drop calibration standard (for wide 1 and wide 2 view)
  • Surface cleanliness and homogeneity after cleaning processes (typically for removal of organic contaminations)
  • Surface properties such as wettability and adhesion of modified surfaces and thin film coatings
  • Wetting and dewetting properties in immersion lithography processes using the sliding method with external tilting stage and/or using the extension/contraction method
  DMo-901WA DMo-701WA DMo-501WA
Camera system USB 3.0 CCD camera with:125fps at 640x480 pixels
200fps at 640x278 pixels
333fps at 640x136 pixels
Optical system focus: manual focus with 3 step manual zoom
field of view: 6.6x4.9mm, 12.0x9.0mm, 17.3x13.0mm ±5%
Measuring methods contact angle: sessile drop (static & dynamic), advancing/receding, tilting1)
surface/interfacial tension: pendant drop (static & dynamic)
Analysis methods contact angle: θ/2, tangent, curve fitting (ellipse, circle)
surface/interfacial tension: Young-Laplace, ds/de
surface free energy of solids: Owens-Wendt, Kaelble-Uy, Kitazaki-Hata, Wu, acid-base, Zisman
Measuring range contact angle: 0.01 to 180°
surface/interfacial tension: 0.01 to 100mN/m
Resolution contact angle: 0.01°
surface/interfacial tension: 0.01mN/m
Accuracy2) contact angle: 0.2°
surface/interfacial tension: 0.2mN/m
Maximum sample surface area and height (Dia.xH) max. 300x35mm
Maximum sample weight 400g
Sample stage operation:
X-axis
Y-axis
Z-axis
Rotation axis

150mm (auto.)
---
---
360° (auto.)

150mm (auto.)
---
---
360° (man.)

150mm (man.)
---
---
360° (man.)
Dispenser operation:
Z-axis
Droplet deposition
Droplet generation
Dispensing resolution

35mm
automatic
automatic
0.1μl

35mm
automatic
automatic
0.1μl

35mm
manual
automatic
0.1μl
Measuring temperature ambient
Dimensions (WxDxH) of:
Main instrument
Control box

375x684x432mm
290x240x100mm

375x684x432mm
260x200x70mm
Approximately weight of:
Main instrument
Control box
12.5kg
4.3kg
11.0kg
4.3kg
10.0kg
1.6kg
Electric power:
Voltage
Frequency
Power consumption

AC100-240V
50/60 Hz
60W 125VA

AC100-240V
50/60 Hz
25W 105VA
Operating environment temperature: +10 to +35°C, humidity: 30-80%RH (non-condensing)
positioned away from sources of electrical noise and vibration

1) An optional external tilting stage is required
2) Accuracy is the repeatability in terms of standard deviation based on the manufacturer’s calibration standard

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