Figure 3 shows a reference object, one corner of which has been machined to create three diverging reference edges.
The 0.63-mm-wide edge of the orifice was machined flat to allow for a reproducible contact line at the orifice/fluid/air interface.
The chambers (63 mm in diameter, by 30 mm high) were machined from brass and electroplated with nickel to minimize water adsorption.
The alignment plate has a machined channel along the long axis that matches with a raised spline on the support platform to provide positive alignment.
During the first setup, the hole pattern, both steps, and the counterbored hole will be machined.
In order to study the effect of nozzles on different gas density configurations, different kind of brass nozzles in shape and size are machined.
Any face belonging to both the delta volume and the par t is a face that must be machined.
The machined parts have their interiors polished and are bonded together.
