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

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== The Drop Shape Analyzer ==


= The Drop Shape Analyzer =
[[image:DropShapeAnalyzer.jpg|200x200px|right|thumb|The Krüss DSA 100s Drop Shape Analyzer in Cleanroom A-1]]


[[image:DropShapeAnalyzer.jpg|200x200px|right|thumb|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/hydrophilicity of the sample surface.


The Krüss DSA 100S Drop Shape Analyzer will analyze the shapes of drops of liquid on a surface in order to calculate surface hydrophobicity and surface tensions.
 
'''The user manual, user APV(s), technical information, and contact information can be found in LabManager:'''
 
[https://labmanager.dtu.dk/function.php?module=Machine&view=view&mach=520 Drop Shape Analyzer in LabManager]
 
==An overview of the performance of the Drop Shape Analyzer==
 
{| border="2" cellspacing="0" cellpadding="10"
|-
!style="background:silver; color:black;" align="left"|Purpose
|style="background:LightGrey; color:black"|Imaging and analysis of of the shape of the interface between liquid and air||style="background:WhiteSmoke; color:black"|
*Measurement of contact angle between sample surface and liquid
*Measurement of surface tension of liquid
|-
!style="background:silver; color:black" align="left"|Performance
|style="background:LightGrey; color:black"|Measurement accuracy
|style="background:WhiteSmoke; color:black"|
*Highly dependent on analysis conditions (image quality and fitting model) and method used; usually around ±0.5°. Using several measurement points is recommended.
|-
!style="background:silver; color:black" align="left"|Process parameters
|style="background:LightGrey; color:black"|Available liquids
|style="background:WhiteSmoke; color:black"|
*Syringe 1: Water (H<sub>2</sub>O)
*Syringe 2: Diiodo-methane (CH<sub>2</sub>I<sub>2</sub>)
*Manual dispense is also possible
|-
!style="background:silver; color:black" align="left"|Sample requirements
|style="background:LightGrey; color:black"|Substrate material allowed
|style="background:WhiteSmoke; color:black"|
*In principle all materials allowed in cleanroom
|-
|style="background:silver; color:black"|
|style="background:LightGrey; color:black"|Substrate size
|style="background:WhiteSmoke; color:black"|
*Up to 6" wafers. In order to measure, a few mm<sup>2</sup> of flat surface is required.
|-
|style="background:silver; color:black"|
|style="background:LightGrey; color:black"|Batch size
|style="background:WhiteSmoke; color:black"|
*One sample at a time
|-
|}

Latest revision as of 14:58, 23 November 2023

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The Drop Shape Analyzer

The Krüss DSA 100s Drop Shape Analyzer in Cleanroom A-1

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/hydrophilicity 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)
  • 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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