Just prepare a substrate and place two posts.
Place a glass pipette onto these two posts.
Pour PDMS to cover the pipette.
After fully cured, remove this pipette.
You will create a buried rounded channel.



Lung-hao Hu

Graduate Student

Dept.of Mechanical Engineering
Univ.of Colorado Boulder
UCB 427 CO 80309 U.S.A
Email:lung.hu@colorado.edu
Tel:303-786-1702(H)
    303-492-6107(O)
Fax:303-492-3498