Tag Archives: aerospace PCB

PCB Fabrication and Assembly

Why Through-Hole PCB Assembly Remains Essential for High-Reliability Electronics

While surface mount technology dominates many modern applications, through-hole PCB assembly continues to play a vital role in products requiring exceptional durability and mechanical strength. Industries such as aerospace, defense, industrial automation, and medical equipment frequently rely on through-hole components for critical applications.

Through-hole assembly involves inserting component leads through drilled holes in the printed circuit board before soldering them securely into place. This creates robust mechanical connections that withstand vibration, temperature fluctuations, and physical stress better than many surface-mounted alternatives.

High quality pcbPower supplies, transformers, connectors, and large capacitors are common examples of components that benefit from through-hole mounting. Their secure attachment improves long-term reliability, particularly in environments where equipment experiences repeated movement or harsh operating conditions.

Manufacturers also appreciate the flexibility of combining through-hole and surface mount technologies within hybrid assemblies. This approach allows engineers to optimize designs by selecting the best mounting method for each component based on performance requirements.

Quality control remains essential throughout the assembly process. Automated inspection, manual verification, and functional testing help ensure every solder joint meets demanding industry standards before products reach customers.

Choosing an experienced manufacturing partner helps prevent common issues such as improper solder fill, alignment problems, or inadequate mechanical support. Engineering expertise can also identify opportunities to improve manufacturability and reduce production costs without sacrificing reliability.

Board Assembly offers professional through-hole PCB assembly services for customers who require dependable performance across challenging operating environments. Their capabilities support prototypes, low-volume production, and larger manufacturing runs alike.

Many customers also integrate these services with PCB fabrication and complete manufacturing support available through Board Assembly. Working with a single supplier streamlines production while maintaining quality from design through final assembly.

Despite advances in electronics manufacturing, through-hole PCB assembly remains indispensable wherever strength, durability, and long-term reliability are priorities.

Conformal Coating Spray

The Growing Importance of Conformal Coating in PCB Protection

Printed Circuit Boards (PCBs) are at the heart of modern electronics—but as devices become smaller, more powerful, and more widely used in harsh environments, protecting these sensitive components has become more critical than ever. That’s where conformal coating in PCB protection steps in as a game-changer.

Whether it’s a consumer product exposed to daily wear or a military-grade device deployed in extreme climates, PCBs need an added layer of protection. Conformal coating provides exactly that: a thin, durable film that safeguards electronics from moisture, dust, chemicals, and temperature extremes without compromising performance or size.

Solder Mask on Printed Circuit BoardsWhat Is Conformal Coating?

conformal coating maskingconformal coating maskingConformal coating is a protective chemical layer applied to the surface of a PCB to create a barrier against environmental contaminants. It’s “conformal” because it conforms to the shape of the board and its components, coating even hard-to-reach areas without needing bulky enclosures.

At Board Assembly, we apply conformal coatings using precise, industry-approved techniques that ensure full coverage without interfering with the function or accessibility of electronic parts.

Why Is Conformal Coating Becoming More Important?

As electronics continue to expand into sectors like automotive, aerospace, defense, and IoT devices, the environments these PCBs operate in are becoming more unpredictable and challenging.

Here are a few key reasons conformal coating is gaining traction:

  • Moisture & Corrosion Resistance: In humid or marine environments, moisture can cause corrosion, short-circuits, and long-term failure. Conformal coatings seal off the PCB surface, keeping moisture at bay.

  • Chemical Protection: In industrial settings, exposure to cleaning agents, fuels, or harsh chemicals is common. A conformal coating acts as a shield, preventing chemical damage.

  • Dust & Debris Protection: For electronics in outdoor or manufacturing environments, dust accumulation can hinder performance. Coatings protect against particulate buildup.

  • Extended Product Life: By protecting the PCB from environmental damage, conformal coatings significantly increase product reliability and longevity—essential for industries where equipment failure is not an option.

Applications Across Industries

From automotive control units to aerospace avionics, and from wearable medical devices to outdoor smart home systems, conformal coating in PCB protection is now a standard best practice in many industries. As miniaturization and high-performance demands increase, protective coatings are no longer optional—they’re essential.

Why Work With Board Assembly?

At Board Assembly, we offer advanced PCB assembly solutions that include precision-applied conformal coatings to ensure your product performs reliably in any environment. Whether you need protection from moisture, vibration, chemicals, or dust, our team ensures your PCB is ready for real-world conditions.


Want to learn more about how conformal coating can improve your product’s performance and durability? Contact us today to discuss your PCB protection needs.