Hi, First of all, excellent thread! Thank you for all who have invested great deal of work into the research. I will need the ability to eject tiny amounts of liquid in my next project, in my case what would really count is how much liquid will be ejected within given time (Let's say a second). I need to be able to control this down to at least 1/100. The exact thickness and uniformity of sprayby don.key - Powder Printing and Selective Laser Sintering