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    Surface Science Blog You have only scratched the surface.

    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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    < 5 min

    Emulsifiers are surfactants that stabilize oil-water interfaces

    Emulsifiers are surfactants that stabilize oil-water interfaces.

    < 8 min

    Surfactants have many roles in industrial processes and products

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

    ~ 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.

    > 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.

    > 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.

    < 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.

    < 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.

    ~ 3 min

    Silicon wafer cleanliness evaluation through contact angle measurement

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

    < 4 min

    How to utilize the rotational stage for automated wafer mapping?

    Attension Theta Wafer offers an optical tensiometer for fully automated mapping of up to 12-inch wafers.

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