Image 1: 3-D Topography
of a microchannel generated using silicone elastomer
(image size: 10 um x 10 um, with a height of 0.5 um)
Image 2: Phase separated polymer blend deposited using electro-spinning
a. "Donut" formation
b. A polymeric fiber
(Phase contrast image, 2.5 um x 2.5 um)
(height image: 5 um x 10 um)
droplet diameter: 50 nm ~ 250 nm
fiber size ~ 1 um
c. Beads on a string
(height image,
left 25 um x 40 um, right (3D) 40 um x 40 um)

Image 3: Formation
of octadecyltrichlorosilane (OTS) using contact printing
(lateral force images, each 2 um x 2 um)
(from left to right, contact time increases from 1s, to 10s, to 30s)
Image 4: Dewetting
of polystyrene thin film on OTS surface
(height image,
34 um x 34 um)