Dry adhesives inspired from climbing animals, such as geckos and spiders, rely on van der
Waals forces to attach to the opposing surface. Biological fibrillar dry adhesives have a …

Micro-and nano-hierarchical structures (lamellae, setae, branches, and spatulae) on the toe
pads of many animals play key roles for generating strong but reversible adhesion for …

Vacuum grippers are often used for the handling of wafers and small devices. In order to
evacuate the gripper, a gas flow is created that can harm the micro structures on the wafer. A …