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JOR-Prototype/Electrostatic Jet Printer

JOR-Prototype/Electrostatic Jet Printer
Country/Institute
Austria • Joanneum Research (JOR)
Transnational Access Activity/Installation
TA3. Prototype fabrication • TA3.2. Functional 2D & 3D printing

Equipment: JOR-Prototype/Electrostatic Jet Printer
Technique: Electrostatic Jet Printer
Acquisition year: 2017
Responsible: Alexander Wheeldon – / Karl Popovic –  

Description: The Electrostatic Jet printer (ESJET) is a high-resolution digital printing technology. It uses high voltages that, when applied to a fluid (ink) in short pulses, cause droplets of ink to eject from the print head and land on an electrically grounded substrate.

It is used for research purposes, mainly to deposit electrically conductive nanoparticle inks on a small scale, but many other ink types are possible. 

Specifications:

Max Substrate Size227 x 327 mm
Max Print Speed (application dependant)400 mm/s
Stage Accuracy5 µm (3σ repeatability)
Voltage Range-5 kV – +5 kV
Nozzle Diameter10 – 50 µm
Min Drop Diameter (application dependant)< 5 µm 
Ink Viscosity Range1 – 3000 cP