PICO Pµlse non-contact jet valve reportedly helps dispense exact, repeatable micro-deposits as small as 0.5nL at up to 500Hz continuous, with 1500Hz max. bursts. Can jet low- to high-viscosity fluids onto any surface, including uneven and tough-to-reach substrates. Has exchangeable parts; adaptable to a range of applications. Tool-free latch mechanism allows for easy removal of the fluid body.
Nordson EFD, www.nordsonefd.com