Aerosol Jet Printing Conformal Electronics — PatSnap Eureka
Aerosol Jet Printing Conformal Electronics 2026
Aerosol jet printing enables conformal deposition on curved and 3D surfaces with feature resolution as narrow as 10 µm and ink viscosity compatibility from 1 to 1,000 cP. This dataset covers patents and literature from 2012 to 2026 across plasma-assisted, dry aerosol, and process-monitoring clusters.
AJP: Direct-Write Conformal Electronics on Complex Surfaces
Aerosol Jet Printing atomizes functional inks into 1–5 µm droplets via ultrasonic or pneumatic atomization, focused through an aerodynamic lens onto substrates at a stand-off distance of 1–5 mm. This contactless direct-write approach accommodates ink viscosities from 1 to 1,000 cP and prints features as narrow as 10 µm, enabling conformal deposition on non-planar, curved, and highly irregular substrates without substrate contact.
The technology spans five sub-domains in this dataset: functional ink formulation, printhead and atomizer engineering, process monitoring and quality control, conformal and 3D substrate deposition, and post-deposition sintering and treatment. Material compatibility includes metals, dielectrics, semiconductors, organics, biological solutions, and covalent organic framework materials, distinguishing AJP from contact-based printing methods.
Innovation in this dataset is concentrated among US academic institutions, a national laboratory, and one dedicated commercial printhead company. The 2018–2022 period contains roughly 60% of all retrieved records. The most recent filings from 2022 to 2026 signal a transition toward closed-loop process control, novel functional materials, solvent-free dry aerosol printing, and deep integration with 3D printing workflows.
In this dataset, Universities Space Research Association is the most prolific AJP-specific patent filer, with at least 5 active US patents. Trinity College Dublin holds the most internationally diversified portfolio in retrieved records, with filings across EP, WO, US, JP, and KR jurisdictions. US jurisdiction accounts for the clear majority of active patent filings in this dataset.
Filing Activity and Technology Cluster Distribution in This Dataset
Analysis of retrieved patent and literature records reveals a concentration of filing activity in the 2018–2022 period and a clear clustering of innovation around four core technology sub-domains: aerodynamic lens and shutter control, plasma-assisted printing, dry laser aerosol, and advanced ink formulation with in-flight monitoring.
AJP Technology Cluster Distribution by Patent Count (Dataset Snapshot)
Plasma-assisted printing (Universities Space Research Association) and aerodynamic lens/shutter control (Integrated Deposition Solutions) account for the largest discrete patent clusters in this dataset, together representing the dominant commercialization-oriented IP positions among retrieved records.
↗ Click bars to exploreAJP Patent Filing Activity by Period (Dataset Snapshot)
In this dataset, the 2018–2022 development period accounts for approximately 60% of all retrieved records, with 2022–2026 emerging filings showing a continuing upward signal particularly in process control and novel materials clusters.
↗ Click bars to exploreKey AJP Application Areas Across Conformal Electronics
Retrieved records demonstrate AJP deployment across six distinct application domains, each exploiting the technology’s ability to deposit functional materials on non-planar, flexible, or 3D-manufactured substrates. Named demonstrations span RF/antenna structures, biomedical sensing, flexible electronics, photovoltaics, microfluidics, and optical devices.
26–280 GHz RF Antenna Structures
A 2020 study demonstrated AJP-printed band-stop and band-pass frequency selective surfaces operating at 26–28 GHz, 125 GHz, and 280 GHz on glass and Kapton substrates. Trinity College Dublin’s laser-dry-aerosol patent family (2022–2023, EP/WO/US/JP/KR) explicitly targets 5G, MMIC, and IoT as platform applications. Silver nanoparticle ink conductivity and coplanar waveguide transmission loss were characterized across three commercial inks in a 2020 dataset directly relevant to conformal antenna design.
RF / AntennaBiomedical Electrochemical Sensing Platforms
A 2018 study demonstrated AJP-printed 3D electrode layouts for interleukin-8 detection by anodic stripping voltammetry. A 2019 paper reported six-sensor electrochemical platforms with integrated UV-curable microfluidic structures printed in a single process flow. A 2022 study investigated silver nanoparticle and PEDOT:PSS inks on SLA 3D-printed substrates for in-vitro dual bioreactor cell monitoring, revealing adhesion challenges with silver inks on resin surfaces.
Biomedical SensingFlexible and Large-Area Electronics
A 2017 study printed gold nanoparticles conformally on 13 µm polyimide films, validating sub-milliwatt power consumption for flexible micro-hotplate gas sensors. A 2017 quality characterization study systematically assessed silver line conductivity on glass, silicon, and polyimide substrates. A 2023 investigation extended AJP to curved flexible strain sensors, applying laser micro-sintering to improve conductivity on non-planar geometries.
Flexible ElectronicsMicrofluidics and 3D Medical Assemblies
A 2020 paper demonstrated AJP’s capacity to functionalize microfluidic channels with spatially precise material placement, enabling active channel walls for lab-on-chip drug discovery and single-cell phenotyping. A 2022 study integrated AJP with DLP-printed substrates for patient-specific medical devices such as hearing aids, evaluating soldering, conductive adhesive bonding, and electroless plating on AJP-deposited metal tracks. AJP-printed polymer dispersed liquid crystal films and transparent electrodes were deposited across 90° prism edges in a 2022 optical device study.
Microfluidics / MedicalLeading Patent Assignees in Aerosol Jet Printing — Dataset Snapshot
In this dataset, Universities Space Research Association holds the largest AJP-specific portfolio with at least 8 active US patent records spanning plasma-assisted direct write and 3D conformal deposition filed between 2017 and 2023. Trinity College Dublin holds the most internationally diversified filing strategy in retrieved records, with 5 filings across EP, WO, US, JP, and KR jurisdictions covering laser-produced dry aerosol printing (2022–2023).
Top AJP Patent Assignees by Filing Count in Retrieved Records (Dataset Snapshot)
↗ Click bars to exploreUniversities Space Research Association
The most prolific AJP-specific patent filer in this dataset, with at least 8 active US patent records filed between 2017 and 2023. Portfolio spans plasma-field-assisted in-situ material tailoring, non-concentric nozzle designs for organic electronics printing without property degradation, and directional plasma jet printing explicitly addressing conformal deposition on non-planar surfaces with uneven roughness, bends, and sharp edges. The 2023 patent on 3D printed electronics using directional plasma jet includes in-situ integration with concurrent 3D printing processes.
United StatesTrinity College Dublin
Holds the most internationally diversified AJP filing strategy in this dataset, with 5 filings across EP (2022), WO (2022), US (2023), JP (2023), and KR (2023) jurisdictions. All filings cover laser-produced dry aerosol jet printing using 1 Hz–100 MHz pulsed laser ablation for mesoscale (10 µm–1 mm) mask-free deposition on planar and non-planar substrates without solvents. The patents explicitly cite conductive lines, antennas, 5G, MMIC, and IoT as target platform technologies; some jurisdictional filings are listed as inactive in this dataset.
Ireland — IEFour Forward-Looking Directions Signaled by 2022–2026 Filings
The most recent filings in this dataset, from 2022 to 2026, consistently point toward four directions: closed-loop in-flight process control, novel functional material classes including covalent organic frameworks and nanocomposites, solvent-free dry aerosol printing, and deep workflow integration with concurrent 3D printing.
Closed-Loop In-Flight Process Control
Sandia National Laboratories’ optical measurement system patents (2022 US, 2025 continuation) and Wisconsin Alumni Research Foundation’s droplet-resolving in-flight imaging patents (2023, 2024 US) represent a concerted effort to address AJP’s known long-duration print drift weakness. A 2022 literature dataset documenting morphological and electrical drift over a 16-hour print duration confirms the urgency of this direction, particularly for serial production environments where closed-loop quality assurance is required.
Solvent-Free Dry Aerosol Printing (Trinity College Dublin)
Trinity College Dublin’s pulsed laser ablation-based dry nanoparticle printing patent family spans five jurisdictions (EP 2022, WO 2022, US 2023, JP 2023, KR 2023), making it the most internationally coordinated IP campaign in this dataset. Eliminating solvents removes constraints on substrate compatibility, drying behavior, and post-deposition treatment—directly targeting conformal deposition bottlenecks on sensitive 3D surfaces. Target markets explicitly cited include 5G, MMIC, and IoT.
Aerodynamic Lens AJP vs. Plasma-Jet AJP: Key Dimensions
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| Dimension | Aerodynamic Lens AJP (Integrated Deposition Solutions) | Plasma-Jet AJP (Universities Space Research Association) |
|---|---|---|
| Primary Mechanism | Focused sheath gas + aerodynamic lens converging nozzle; pneumatic shuttering for on-demand deposition | Atmospheric pressure plasma jet replaces or augments sheath gas; enables in-situ sintering and surface activation |
| Key Patents | US 2018 pneumatic shutter; US/WO 2022 high-definition aerodynamic lens; US 2025 continuation | US 2017/2021 in-situ material tailoring; US 2021 organic electronics nozzle; US 2022/2023 directional plasma jet |
| Feature Resolution | Sub-10 µm using optimized multi-orifice aerodynamic lens geometries (2022 patent) | Not explicitly quantified for plasma variant in retrieved records |
| Substrate Compatibility | Non-planar and curved surfaces; compatible with standard AJP ink viscosity range 1–1,000 cP | Explicitly addresses non-planar surfaces, uneven macroscopic roughness, bends, and sharp edges including temperature-sensitive organic substrates |
| Post-Deposition Treatment | Separate thermal or laser sintering step typically required after deposition | In-situ plasma sintering, surface activation, and morphological modification during and after printing |
| 3D Workflow Integration | Applied to additive manufactured substrates (e.g., DLP-printed hearing aid assemblies, 2022 literature) | In-situ interruption of concurrent 3D printing for conformal electronics deposition then structural print resumption (2023 patent) |
| Jurisdiction Footprint | US and WO (PCT) filings; 3 patent families 2018–2025 | US only; 5+ active US patent records 2017–2023 in this dataset |
| Target Applications | High-definition conformal traces, interconnects, serial production electronics manufacturing | Organic electronics, temperature-sensitive substrates, complex 3D conformal electronics, non-planar wearable structures |
Frequently Asked Questions: Aerosol Jet Printing Conformal Electronics
Retrieved records describe AJP as capable of printing features as narrow as 10 µm in standard configurations. Integrated Deposition Solutions’ 2022 US patent on optimized aerodynamic lens geometries discloses sub-10 µm feature resolution using high-density, high-resolution trace deposition with a multi-orifice lens system.
According to retrieved records, AJP accommodates ink viscosities from 1 to 1,000 cP. This wide range enables printing of metals, dielectrics, semiconductors, organics, biological solutions, and covalent organic framework materials—a broader material compatibility than inkjet printing.
In this dataset, Universities Space Research Association is the most prolific AJP-specific patent filer, with at least 8 active US patent records filed between 2017 and 2023. Their portfolio spans plasma-assisted direct write, organic electronics printing without property degradation, and in-situ integration with 3D printing workflows for conformal electronics.
In plasma-assisted AJP, as disclosed by Universities Space Research Association patents (2017–2023), atmospheric pressure plasma replaces or augments the sheath gas. This enables in-situ sintering, surface activation, and morphological modification of ink aerosol prior to, during, and after deposition. A non-concentric nozzle design shields sensitive organic aerosols from the plasma outer tube while using the after-glow region for deposition, preserving organic electronic material properties.
Laser-produced dry aerosol jet printing, patented by Trinity College Dublin across five jurisdictions (EP, WO, US, JP, KR; 2022–2023), uses pulsed laser ablation at 1 Hz–100 MHz repetition rates to generate solvent-free dry nanoparticles for mesoscale (10 µm–1 mm) mask-free deposition on planar and non-planar substrates. Eliminating solvents removes viscosity constraints and post-deposition drying requirements, with explicit applications in 5G, MMIC, and IoT cited in the patents.
Retrieved records identify long-duration print stability and real-time quality control as the primary bottlenecks. A 2022 literature dataset documented morphological and electrical drift in AJP-printed lines over a 16-hour print duration. Sandia National Laboratories (2022, 2025 continuation) and Wisconsin Alumni Research Foundation (2023, 2024) hold active patents on optical process monitoring and in-flight droplet-resolving imaging systems specifically designed to address this drift problem for serial production environments.
Data and insights on this page are based on a limited patent and literature dataset and are for reference only. Figures may not represent the complete technology landscape.