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Light-curable Solutions for Reliable Electronics in Space Applications
October 15, 2025 | Virginia Hogan, DymaxEstimated reading time: 2 minutes

Designing electronics for space environments, particularly those in low Earth orbit (LEO), requires careful consideration of materials that can withstand extreme conditions while supporting long-term reliability. Engineers designing satellite systems, aerospace instrumentation, and high-altitude platforms face a familiar set of challenges: contamination control, mechanical stress, thermal cycling, and manufacturability.
Critical concerns in space electronics are outgassing and ionic contamination. In vacuum environments, volatile compounds released from adhesives or coatings can deposit on optical surfaces or sensitive instrumentation, degrading performance. Similarly, ionic residues can lead to corrosion or electrical leakage, especially in high-density printed circuit board (PCB) assemblies. These risks are amplified in space, where failure is not an option, and maintenance is impossible.
To address these concerns, engineers increasingly rely on materials that meet strict standards for low outgassing (e.g., NASA ASTM E595) and low ionic content (e.g., MIL-STD 883 Method 5011). Selecting coatings and adhesives that conform to these specifications helps ensure cleaner PCBs and more stable electrical performance in board-level electronics over time.
Mechanical durability is another critical factor. Launch environments subject electronics to intense vibration and shock, while orbital conditions introduce repeated thermal cycling. Adhesives used for staking, bonding, or encapsulating board-level components must maintain integrity under these stresses without cracking, delaminating, or shifting. Non-slumping behavior and long open times are also important for precise placement during assembly, especially on vertical surfaces or in complex geometries.
Equally important is the ability to streamline manufacturing. Light-curable solutions offer a distinct advantage here, enabling fast, room-temperature processing without the need for ovens or solvents, which reduces thermal stress on components and supports high-throughput workflows. Features like UV fluorescence also simplify inspection and quality control.
Dymax has formulated adhesives and coatings that address these interconnected challenges. Its conformal coatings and ruggedized adhesives are engineered to meet aerospace standards for outgassing and ionic purity, while also providing mechanical resilience and efficient processing. By taking a systems-level approach to material development, these solutions enable design engineers to build board-level electronics that perform reliably in space without compromising manufacturability.
As space systems shrink in size and grow in complexity, the importance of selecting the right materials for board-level electronics early in the design process cannot be overstated. Whether protecting a printed circuit board from moisture and contamination or staking board-level components to withstand vibration, the right material choices can make the difference between mission success and failure.
Formulated with a deep understanding of the challenges engineers face in space electronics, Dymax light-curable adhesives and coatings combine application-specific chemistry, efficient processing, and reliable performance to meet the demands of modern aerospace systems, whether in orbit, in flight, or in development.
For more information about Light-Curable Materials for Aerospace Avionics, click here.
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Alpha Insights, Performance by Design: The Future of PCB Manufacturing in the Midwest
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