Specific Process Knowledge/Characterization/Drop Shape Analyzer: Difference between revisions

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|style="background:LightGrey; color:black"|Available liquids
|style="background:LightGrey; color:black"|Available liquids
|style="background:WhiteSmoke; color:black"|
|style="background:WhiteSmoke; color:black"|
*Syringe 1: Water (H2O)
*Syringe 1: Water (H<sub>2</sub>O)
*Syringe 2: Diiodo-methane (CH2I2)
*Syringe 2: Diiodo-methane (CH<sub>2</sub>I<sub>2</sub>)
*Syringe 3: Benzyl alcohol (C6H5CH2OH)
*Syringe 3: Benzyl alcohol (C<sub>6</sub>H<sub>5</sub>CH<sub>2</sub>OH)
*Syringe 4: Available
*Syringe 4: Available
*Manual dispense is also possible
*Manual dispense is also possible
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|style="background:LightGrey; color:black"|Substrate size
|style="background:LightGrey; color:black"|Substrate size
|style="background:WhiteSmoke; color:black"|
|style="background:WhiteSmoke; color:black"|
*Up to 6" wafers. In order to measure, a few square mm's of flat surface is required.
*Up to 6" wafers. In order to measure, a few mm<sup>2</sup> of flat surface is required.
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|style="background:silver; color:black"|
|style="background:silver; color:black"|

Revision as of 13:45, 11 May 2017

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The Drop Shape Analyzer

The Krüss DSA 100s Drop Shape Analyzer

The Krüss DSA 100S Drop Shape Analyzer will analyze the shape of a drop of liquid on a surface, or suspended from a needle, in order to calculate the contact angle, or the surface tension, respectively. It is mostly used to determine the contact angle of water as a measure of the hydrophobicity/hydrophility of the sample surface.


The user manual, user APV(s), technical information, and contact information can be found in LabManager:

Drop Shape Analyzer in LabManager

An overview of the performance of the Drop Shape Analyzer

Purpose Imaging and analysis of of the shape of the interface between liquid and air
  • Measurement of contact angle between sample surface and liquid
  • Measurement of surface tension of liquid
Performance Measurement accuracy
  • Highly dependent on analysis conditions (image quality and fitting model) and method used; usually around ±0.5°. Using several measurement points is recommended.
Process parameters Available liquids
  • Syringe 1: Water (H2O)
  • Syringe 2: Diiodo-methane (CH2I2)
  • Syringe 3: Benzyl alcohol (C6H5CH2OH)
  • Syringe 4: Available
  • Manual dispense is also possible
Sample requirements Substrate material allowed
  • In principle all materials allowed in cleanroom
Substrate size
  • Up to 6" wafers. In order to measure, a few mm2 of flat surface is required.
Batch size
  • One sample at a time
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