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

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'''Feedback to this page''': '''[mailto:labadviser@danchip.dtu.dk?Subject=Feed%20back%20from%20page%20http://labadviser.danchip.dtu.dk/index.php/Specific_Process_Knowledge/Characterization/Drop_Shape_Analyzer click here]'''  
'''Feedback to this page''': '''[mailto:labadviser@nanolab.dtu.dk?Subject=Feed%20back%20from%20page%20http://labadviser.nanolab.dtu.dk/index.php/Specific_Process_Knowledge/Characterization/Drop_Shape_Analyzer click here]'''  
<!--Checked for updates on 5/10-2020 - ok/jmli -->


== The Drop Shape Analyzer ==


=<span style="background:#FF2800">THIS PAGE IS UNDER CONSTRUCTION</span>[[image:Under_construction.png|200px]]=
[[image:DropShapeAnalyzer.jpg|200x200px|right|thumb|The Krüss DSA 100s Drop Shape Analyzer in Cleanroom A-1]]
 
== The Drop Shape Analyzer ==


The Krüss DSA 100S Drop Shape Analyzer will analyze the shape a drop of liquid on a surface, or suspended from a needle, in order to calculate the contact angle, or the surface tension, respectively.  
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.


[[image:DropShapeAnalyzer.jpg|200x200px|right|thumb|The Krüss DSA 100s Drop Shape Analyzer]]


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


[http://labmanager.danchip.dtu.dk/function.php?module=Machine&view=view&mach=240  Drop Shape Analyzer 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==
==An overview of the performance of the Drop Shape Analyzer==
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|-
|-
!style="background:silver; color:black" align="left"|Performance
!style="background:silver; color:black" align="left"|Performance
|style="background:LightGrey; color:black"|Thin film materials that can be measured||style="background:WhiteSmoke; color:black"|
|style="background:LightGrey; color:black"|Measurement accuracy
Film with a refractive index of less than 2.02 and that are transparent to the light in the given wavelength range
ex:
*Silicon Oxide
*Silicon nitride
*polymers
|-
|style="background:silver; color:black"|
|style="background:LightGrey; color:black"|Film thickness range
|style="background:WhiteSmoke; color:black"|
*~1µm to 15 µm
|-
|style="background:silver; color:black"|
|style="background:LightGrey; color:black"|Film thickness accuracy
|style="background:WhiteSmoke; color:black"|
*±(0.5%+50Å)
|-
|style="background:silver; color:black"|
|style="background:LightGrey; color:black"|Index accuracy
|style="background:WhiteSmoke; color:black"|
|style="background:WhiteSmoke; color:black"|
*±0.001
*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:silver; color:black" align="left"|Process parameters
|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 (I2CH2)
*Syringe 2: Diiodo-methane (CH<sub>2</sub>I<sub>2</sub>)
*Syringe 3: Benzyl alcohol (C6H5CH2OH)
*Manual dispense is also possible
*Syringe 4: Available
|-
|-
!style="background:silver; color:black" align="left"|Sample requirements
!style="background:silver; color:black" align="left"|Sample requirements
|style="background:LightGrey; color:black"|Substrate material allowed
|style="background:LightGrey; color:black"|Substrate material allowed
|style="background:WhiteSmoke; color:black"|
|style="background:WhiteSmoke; color:black"|
*In principle all materials
*In principle all materials allowed in cleanroom
|-
|-
|style="background:silver; color:black"|
|style="background:silver; color:black"|
|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.
|-
|-
|style="background:silver; color:black"|
|style="background:silver; color:black"|

Latest revision as of 14:58, 23 November 2023

Feedback to this page: click here

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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