The material deposition device 21 wherein the regulator includes {HEAD ~ a timing} means for generating pulses of a preset frequency as programmed in the memory and of a predetermined duration as programmed in the memory, the outlet having an interchangeable orifice mounted thereto for adjusting the size of droplets delivered so a small dot of material or continuous line formed of overlapping {TAIL ~ dots} of material can be deposited on the substrate, the dots although small are reactive to signify their existence 
The material deposition device 21 wherein the regulator includes { HEAD ~ a timing } means for generating pulses of a preset frequency as programmed in the memory and of a predetermined duration as programmed in the memory , the outlet having an interchangeable orifice mounted thereto for adjusting the size of droplets delivered so a small dot of material or continuous line formed of overlapping { TAIL ~ dots } of material can be deposited on the substrate , the dots although small are reactive to signify their existence
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