Maybe a treatment in a UV/Ozone reactor would work for you.
This also oxidizes the PDMS but is not so strong as an oxygen
plasma reaction...

Regards,
Heiko van der Linden

-----Original Message-----
From: [email protected]
[mailto:[email protected]]On Behalf Of Barbara Cortese
Sent: vrijdag 30 maart 2007 8:54
To: mems-talk
Subject: Re:[mems-talk] Solvent spin-on PDMS


Can anyone direct me to a process that can make PDMS surface very
hydrophillic and the effect to last for atleast 30 mins?

An oxygen RIE treatment will do just fine..but it will last 1 day!