World's smallest, slimmest and lightest contact-free vein sensor (PhysOrg)
It's surprisingly small (6 mm thick) so it's about the size of a stack of 4 US quarter-dollar coins. Click over there and see. There are a couple of good pictures.
Hygiene factors helping to boost the touch-less sensing industry goes a ways toward describing the niche Fujitsu's vascular technologies target.
