Ultrasonic Additive Manufacturing Embedded Electronics 2026
Ultrasonic Additive Manufacturing Embedded Electronics
UAM combines ultrasonic metal-foil welding with CNC machining to encapsulate electronics directly within metal matrix structures at temperatures well below melting points. Retrieved records map three assignees across aerospace, industrial IoT, and connectivity bridging domains.
UAM Embedded Electronics: Core Mechanisms and Dataset Scope
Ultrasonic Additive Manufacturing (UAM) is a solid-state hybrid process combining layer-by-layer ultrasonic welding of metal foils with periodic CNC machining. Oscillatory scrubbing forces generate plastic flow at roughly 150–200°C for aluminium—well below melting points—enabling encapsulation of sensitive electronic components without thermal destruction, a fundamental distinction from laser powder bed fusion processes.
The retrieved dataset identifies two primary sub-domains: UAM-specific form-then-bond approaches using pre-machined foil pockets for precise component placement, and broader metal AM embedding that uses functionally graded low-melting transition zones as thermal barriers. Both address the central challenge of protecting semiconductor integrity during metal deposition.
Adjacent clusters include polymer and composite AM housing embedding with environmental sealing, as covered by Honeywell International’s patent family, and additive manufacturing connectivity bridging for embedded components, covered by Nano-Dimension Technologies. These approaches define the broader competitive context within which UAM metal-matrix embedding competes.
In this dataset, patent activity is concentrated among three named assignees—Hamilton Sundstrand Corporation, Honeywell International Inc., and Nano-Dimension Technologies, Ltd.—with Hamilton Sundstrand holding the largest filing count in retrieved records across US and EP jurisdictions. No CN, JP, or KR assignees appear in the directly relevant embedded-electronics-in-AM patent cluster in this dataset.
Innovation Phases and Technology Cluster Distribution
The retrieved dataset spans three discernible innovation phases from 2014 to 2024, with the densest cluster of patent activity occurring in the 2018–2021 window. Four technology clusters are identifiable: form-then-bond UAM, low-melting transition zone metal AM, polymer AM housing embedding, and connectivity bridging.
Patents per Technology Cluster — UAM Embedded Electronics (Dataset Snapshot)
In this dataset, the low-melting transition zone metal AM cluster (Hamilton Sundstrand) accounts for the largest share of granted patents with 4 filings, followed by polymer AM housing embedding (Honeywell) with 3 filings and connectivity bridging (Nano-Dimension) with 2 filings.
↗ Click bars to exploreFiling Activity by Innovation Phase — Retrieved Records (2014–2024)
In this dataset, the 2018–2021 development phase produced the highest concentration of filings with 6 records, while the foundational phase (pre-2018) yielded 2 academic literature records and the maturation phase (2022–2024) yielded 3 continuation or expansion filings.
↗ Click bars to exploreKey Application Areas for UAM and Metal AM Embedded Electronics
Retrieved records identify four principal application domains for UAM and metal AM embedded electronics: aerospace and defense structural integration, industrial IoT and prognostic health monitoring, commercial and industrial electronics housing, and adjacent printed and flexible electronics contexts.
Aerospace and Defense Structural Parts
Hamilton Sundstrand Corporation—a subsidiary of Raytheon Technologies (RTX)—targets embedding electronics into structural metal aerospace parts for prognostic health monitoring and feedback control. The EP filing of Hamilton Sundstrand patents signals intent for European defense market protection. UAM enables aluminium or titanium smart structural components with embedded sensors, antennas, or processing units for unmanned aerial vehicles, missile structures, and satellite components.
Aerospace & DefenseIndustrial IoT and Prognostic Health Monitoring
The UAM form-then-bond literature record (2018) explicitly identifies smart metal structures for industrial sensing as a target application. Embedded thermocouples, strain gauges, and accelerometers placed within load-bearing metal components enable structural health monitoring without the vulnerabilities of surface-mounted sensors. Academic surveys on AM and sensor integration confirm this as an active application domain across retrieved literature records from 2016 and 2017.
Industrial IoTCommercial and Industrial Electronics Housing
Honeywell International’s patent family (US 2021, US 2024, EP 2023) targets embedding electronics assemblies into AM-produced polymer or composite housings for industrial control, building automation, and consumer device applications. The patents emphasize environmental sealing and electrical isolation of the embedded assembly from the housing material. Connectors are incorporated to interface embedded electronics with external systems, reflecting requirements for field-deployed harsh-environment instrumentation.
Commercial ElectronicsEmbedded Component Connectivity Bridging
Nano-Dimension Technologies filed WO and CA applications in January 2020 covering methods and systems for improving connectivity of integrated components embedded in a host structure. The approach uses selective conductive material deposition to bridge gaps between embedded devices and the surrounding structure, applicable across polymer, metal, and hybrid AM builds. This connectivity-bridging cluster is the only patent family in the dataset specifically addressing inter-component electrical routing within AM structures.
Connectivity & RoutingKey Patent Assignees in UAM Embedded Electronics (Retrieved Records)
In this dataset, three named assignees account for all directly relevant embedded-electronics-in-AM patent records: Hamilton Sundstrand Corporation with 4 filings in retrieved records, Honeywell International Inc. with 3 filings, and Nano-Dimension Technologies, Ltd. with 2 filings across WO and CA jurisdictions.
Assignee Filing Counts — UAM Embedded Electronics in Retrieved Records (Dataset Snapshot)
↗ Click bars to exploreHamilton Sundstrand Corporation
Hamilton Sundstrand holds 4 filings in retrieved records spanning October 2019 (US and EP), July 2021 (US), and December 2023 (US continuation), covering embedded electronics in metal AM builds enabled by low-melting temperature transition zone material gradients. The patent family addresses thermal protection of embedded components during high-temperature metal deposition, targeting aerospace prognostic health monitoring and feedback control systems. Active continuation prosecution in both US and EP jurisdictions signals ongoing claim-scope expansion as of 2023.
United States — US / EPHoneywell International Inc.
Honeywell International holds 3 filings in retrieved records: a US grant in February 2021, an EP grant in September 2023, and a second US filing in May 2024, all covering embedding electronics in housings using additive manufacturing with emphasis on environmental sealing and electrical isolation. The patent family targets industrial control, building automation, and harsh-environment field instrumentation. Active US and EP prosecution as of May 2024 indicates continued portfolio maintenance in the polymer AM housing embedding domain.
United States — US / EPNear-Term IP Directions in UAM Embedded Electronics
Based on filings dated 2022–2024 in the retrieved dataset, four emerging directions are identifiable: portfolio deepening via continuations, connectivity as a standalone IP problem, AI and digital twin integration, and additive EMI shielding as a complementary process step.
Continuation-Driven Portfolio Deepening (2023–2024)
Hamilton Sundstrand’s third US continuation (December 2023) and Honeywell’s expanded US patent (May 2024) and EP grant (September 2023) indicate active claim-scope refinement rather than new mechanism discovery. This pattern is consistent with maturing technology approaching commercial deployment. Competitors and licensors should track allowed claims from these continuation families closely, particularly around transition-zone material specifications and housing sealing architectures.
Connectivity Bridging as a Standalone Technical Problem
Nano-Dimension’s 2020 WO and CA applications identify the electrical connectivity gap between embedded components and the host AM structure as a distinct engineering challenge requiring its own IP solution. As embedded component density increases, further filings targeting inter-component routing within AM builds are anticipated, possibly incorporating conductive ink jetting or directed energy deposition within the UAM workflow. Current IP coverage on this problem appears thin in the retrieved dataset, representing both a freedom-to-operate opportunity and a targeted filing area.
UAM Form-Then-Bond vs. Metal AM Low-Melting Transition Zone: Key Dimensions
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| Dimension | UAM Form-Then-Bond (Academic, 2018) | Low-Melting Transition Zone Metal AM (Hamilton Sundstrand) |
|---|---|---|
| Process Type | Solid-state ultrasonic welding with CNC machining of metal foils | Fusion-based metal AM (powder-bed compatible) with graded transition zone |
| Processing Temperature | ~150–200°C for aluminium — well below melting point | High-temperature deposition; transition zone material acts as thermal barrier |
| Thermal Protection Mechanism | Inherently low process temperature preserves semiconductor integrity | Intermediate-melting-point material layer between base metal and electronics |
| Pocket Formation Method | Pre-machined foil pockets with statistical deformation model for geometry prediction | Material gradient transition zones; no pre-machined pocket described in patent |
| Applicable Metal Systems | Primarily aluminium foil layers as described in literature | Broader class of base metals compatible with fusion AM |
| IP Status in Dataset | Academic literature only — no granted UAM-specific embedding patent in dataset | 4 granted/filed patents (US ×3, EP ×1) with active continuation prosecution |
| Primary Application Target | Smart metal structures for industrial sensing per literature record | Aerospace prognostic health monitoring and feedback control systems |
| AM Process Maturity | Research/development stage as of 2018 publication | Active commercial prosecution as of December 2023 continuation |
Frequently Asked Questions: UAM Embedded Electronics Patents
UAM operates at approximately 150–200°C for aluminium via oscillatory scrubbing forces that generate plastic flow without melting, preserving sensitive electronic payloads. Laser powder bed fusion processes involve temperatures that would destroy embedded circuitry, requiring thermal protection architectures such as the low-melting transition zone approach patented by Hamilton Sundstrand Corporation.
In this dataset, Hamilton Sundstrand Corporation holds the largest filing count with 4 patents (US ×3, EP ×1) covering low-melting transition zone metal AM embedding. Honeywell International Inc. holds 3 filings (US ×2, EP ×1) on polymer AM housing embedding. Nano-Dimension Technologies, Ltd. holds 2 filings (WO and CA) on connectivity bridging for embedded components.
In the form-then-bond approach, metal foils—typically aluminium—are CNC-machined prior to bonding to create accurately dimensioned pockets accommodating electronic components. Successive layers are then ultrasonically welded over the component, encapsulating it within the metal matrix. A statistical deformation model governs pocket geometry prediction to ensure component fit and integrity.
All substantive embedded-electronics-in-AM patents in this dataset are filed in US, EP, WO, or CA jurisdictions. No CN, JP, or KR assignees appear in the directly relevant cluster. Nano-Dimension’s PCT/WO filings reflect an Israeli company seeking broad international coverage. Two CN-jurisdiction patents in the dataset pertain to unrelated AI-based embedded chip software, not physical embedding processes.
In this dataset, only one academic literature record directly addresses UAM-specific form-then-bond embedding, with no granted UAM-specific embedding patents present. This represents a potential IP gap for organizations with UAM process expertise, particularly for novel alloy combinations, process parameter optimization, and co-embedding of multiple heterogeneous component types. Connectivity and inter-component routing within UAM builds also appear underprotected.
Hamilton Sundstrand filed an original US patent in October 2019, a continuation in July 2021, and a third US continuation granted in December 2023, alongside an EP filing from October 2019. This continuation pattern indicates sustained commercial interest and active portfolio maintenance. Pending claims from these families could expand scope significantly around transition-zone material specifications, and competitors should track allowed claims closely.
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.