Surface Science Blog | Susanna Laurén

Susanna Laurén

Susanna is an Application Scientist at Biolin Scientific. In her PhD thesis, she developed fabrication methods for a new type of inorganic-organic polymers. Microfabricated polymer chips were utilized as tool for biomolecule separation in analytical chemistry.

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~ 2 min

Why Transformer Oil testing is so important

The oil-water interfacial tension correlates with the purity and functionality of oils that are used in transformers for cooling, insulation and protection against arcing.

Transformer oil

< 5 min

Emulsifiers are surfactants that stabilize oil-water interfaces

Emulsifiers are surfactants that stabilize oil-water interfaces.

Surfactants

< 8 min

Surfactants have many roles in industrial processes and products

Surfactants are utilized in numerous products from cleaning formulations to paints and pesticides.

Surfactants

~ 7 min

What are PFAS? - Remediation and alternatives

PFAS are often referred to as forever chemicals. Research efforts are focused on removing PFAS from the environment and finding ecological alternatives.

Environment

> 3 min

What is a wetting agent and where are they used?

A wetting agent is a surface-active molecule used to reduce the surface tension of water.

Surface tension

> 3 min

Optimization of photoresist adhesion through contact angle measurement

This blog post discusses the importance of adhesion in the lithography process and how to predict adhesion with contact angle measurements.

Contact Angle

< 6 min

Wetting in electronics - How HMDS treatment works?

HMDS is used to render the surface of silicon more hydrophobic and thus to match better with the chemistry of the photoresist.

Contact Angle

< 4 min

Wafer cleaning process - RCA cleaning and contact angle

This blog post explains the concept of RCA cleaning and it's relation to contact angle.

Contact Angle

~ 3 min

Silicon wafer cleanliness evaluation through contact angle measurement

Contact angle measurements can be used to evaluate the cleanliness of silicon wafers.

Contact Angle