Nanojet Principles – Aerosol-Based Printing Technology
Nanojet technology is an advanced aerosol-based printing method that enables the direct fabrication of 3D printed electronics. It allows precise deposition of functional materials to create components such as resistors, capacitors, antennas, sensors, and thin-film transistors.
One of its key strengths is the ability to control electrical and physical properties—such as resistance—through adjustable printing parameters. This makes Nanojet highly versatile for customized electronic design.
Unlike traditional manufacturing, Nanojet can print directly onto complex 3D surfaces. This eliminates the need for separate substrates, resulting in lighter, thinner, and more compact products. For example, antennas and sensors can be printed directly onto curved surfaces like mobile phone casings, perfectly matching their shape.
Material Compatibility
Nanojet supports a broad range of substrates, including:
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Plastics
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Ceramics
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Metals
It works with commercially available functional inks, including nanoparticle-based conductive and insulating materials. These inks are optimized for low-temperature processing, making them suitable for heat-sensitive substrates such as plastics.
Advanced Interconnect Printing
The technology also enables the creation of conformal interconnects on 3D structures. This removes the need for traditional wire bonding methods. Applications include:
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3D stacked semiconductor devices
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LED chip fabrication
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Compact electronic assemblies
Process Specifications
Inks: Conductive and insulating
Working Distance: 1 – 10 mm
Line Width (Single Pass): 20 – 200 μm
Print Speed: 5 – 50 mm/s
Line Thickness: 0.1 – 4 μm
Ink Utilization: Up to 100%
Key Advantages
User-Friendly Operation
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Simple setup and operation
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Fast material switching
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Minimal maintenance requirements
High Precision and Reliability
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Consistent line width and resistance (variation < 5%)
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Sharp, well-defined edges
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Minimal overspray and particle scattering
Flexible Working Distance
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Nozzle-to-substrate distance of 2–10 mm
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Suitable for both flat and complex surfaces
Production-Ready Performance
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Stable operation exceeding 8 hours
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High-density interconnect capability
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Reliable for industrial-scale applications
Core Technology
Aerodynamic Focusing
In this method, an aerosol stream carrying functional material is directed through a narrow orifice. As it passes through, the flow contracts and then expands, forcing particles toward the centerline. This results in a tightly focused, highly collimated stream that enables precise material deposition.
Hydrodynamic Focusing
Hydrodynamic focusing uses a sheath gas surrounding the aerosol stream. By adjusting the relative flow rates of the sheath and aerosol gases, the inner stream is compressed to a smaller diameter. Higher sheath flow leads to tighter focusing, allowing finer printing resolution.
Multi-Material Printing
Nanojet systems can be configured for both single and dual material printing, enabling the integration of multiple functionalities within a single fabrication process.
Long-Duration Print Stability
Nanojet systems are designed for extended, uninterrupted operation. Stability tests show consistent performance over several hours, with uniform line widths maintained throughout the process. This ensures reliability for continuous production environments.
