Spectra Skywalker Printhead JA 128/50

Spectra Skywalker Printhead JA 128/50
50 picoliter nominal drop size
128 individually addressable, inline nozzles
original

 Spectra Skywalker Printhead JA 128/50 \

 

Number of addressable jets

 

128

 

Nozzle spacing

 

508 microns [0.020 in.]

 

Nozzle diameter

 

50 microns

 

Calibrated drop size

 

50 picoliters

 

Adjustment range for drop size

 

40 - 55 picoliters

 

Drop size variation, 1 sigma*

 

4%

 

Jet straightness, 1 sigma

 

3 mrad [0.17°]

 

Nominal drop velocity

 

8 m/sec

 

Drop velocity variation, 1 sigma*

 

5%

 

Crosstalk, maximum

 

5%

 

Operating temperature range

 

up to 90°C [194°F]

 

Fluid viscosity range (at jetting temperature)

 

8 - 20 cP

 

Compatible jetting fluids

 

Organic solvents, UV curables

 

Maximum operating frequency

 

20 kHz