For the long-term durability of electronic components such as semiconductor chips in the automotive, aerospace and other industries
Semiconductors are particularly vulnerable to several environmental factors during storage, including moisture, oxidation, and temperature extremes. These factors can significantly impact the lifespan and functionality of semiconductors. Proper storage is crucial for applications where long-term reliability is paramount. For example, military and aerospace components might not be used for years but must still function flawlessly when needed. Similarly, maintaining a stock of spare parts ensures continued supply and avoids costly re-designs long after part obsolescence. In high-reliability industrial applications, such as industrial control systems and safety-critical equipment, reliability is essential, necessitating the proper storage of spare components.
Long-term packaging services are not only beneficial but also required in such situations to ensure quality and avoid manufacturing disruptions. This specialized service offers several benefits:
Several techniques are applied to protect electronic components from moisture and oxidation. A common and cost-effective method is the use of desiccants. Desiccants absorb moisture and protect electronic components that are sensitive to humidity. They are also generally cost-effective and very easy to implement, require no special equipment, and offer continuous passive protection without the need for power or complex systems.
However, desiccants have several limitations for long-term storage. Their moisture absorption capacity is limited. Once they are saturated, they become ineffective and must be replaced. For long-term storage, this requires regular monitoring and replacement to ensure continuous protection. Moreover, the efficiency of desiccants may vary depending on packaging and environmental conditions. For these reasons, desiccants may be insufficient for long-term storage, while other techniques such as nitrogen purging may be better suited.
Nitrogen purging, an established technique in semiconductor storage, utilizes the properties of the inert gas nitrogen (N₂) to create a controlled environment that significantly extends the shelf life of these sensitive components. N₂ has minimal chemical reactivity with the materials used in semiconductors. Introducing a dry nitrogen atmosphere significantly reduces the risk of oxidation and corrosion.
The purging process involves passing nitrogen gas through the packaging container for a specified duration to ensure the complete displacement of ambient air. This creates a stable and controlled environment that minimizes degradation processes and extends the lifespan of semiconductors. The benefits of nitrogen purging go beyond creating an inert environment. Since nitrogen is a dry gas, it also helps control moisture levels within the packaging. This is crucial to prevent moisture-related issues such as component malfunctions due to water vapor.
Semitron’s use of nitrogen purging with impermeable bags significantly extends the storage life of your products, at least for a period of 5-10 years. Please contact us, and we will be happy to advise you.
Exposure to moisture can cause corrosion and promote mold growth, both of which can damage the delicate circuitry.
Oxidation, resulting from oxygen in the air, degrades the electrical properties of the materials used in semiconductors.
Additionally, temperature extremes, whether excessive heat or cold, can accelerate these degradation processes.
Particles of different sizes and compositions in the air often have a negative impact on semiconductors.
Three steps for longer-lasting components.
Semitron’s high-quality long-term packaging service using nitrogen purging minimizes the risk of oxidation and moisture damage during storage. However, we cannot guarantee the functionality of the devices beyond the manufacturer’s warranty. This is because factors beyond storage conditions, such as component aging or inherent manufacturing variability, may affect performance.
Extended-life packaging services are also available for products provided from customer supply sources.
This varies depending on your specific needs and quantities. Please specify your timeframe in your initial inquiry so that we can do our best to meet it.
Semitron’s unique value is its combined expertise in distribution and Testhaus services. As an authorized distributor, we offer a vast selection of parts from leading manufacturers like ADI, Microchip, and Honeywell. But we go beyond just supplying components. Our state-of-the-art facilities and Testhaus services ensure your parts function perfectly within your specific application. Throughout the entire process, you’ll benefit from our team’s in-depth knowledge and support.
Our testhouse services range from programming service, electrical component testing with specific temperature specifications, 3D-Leadscan, component marking, optical/visual analysis to identify counterfeit devices, individual mechanical modifications, climate testing and extensive tape and reel services including the possibility to design custom specific taping material.
All test house services are also available for products provided from customer supply sources.
Three steps for longer-lasting components
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