Hello All, I was just wondering whether anybody knows the Diffusion Coefficient of cyclopentanone or GBL in SU8. Thanks in advance for any input. Best Regards, Christian.__________________________________________________________ Christian Antonio Industrial Research Institute Swinburne (IRIS) 533-545 Burwood Road, Hawthorn, VIC., Australia 3122. Tel : +61 3 9214 5698 Fax : +61 3 9214 5050