As electronic devices become increasingly compact and complex, they are more susceptible to electromagnetic interference (EMI). This interference can cause malfunctioning, data loss, and even complete system failures, leading to costly downtime and potentially hazardous situations. Engineers and product designers face sleepless nights worrying about how to shield sensitive components effectively, ensuring the reliability and performance of their products.
Applications of Board Level Shields
Board Level Shields (BLS) are crucial in various industries to mitigate EMI and enhance device functionality. Here’s a detailed look at how different industries utilize BLS:
Aerospace: In aerospace applications, systems must operate flawlessly under extreme conditions, from high altitudes to severe temperature fluctuations. Board Level Shields ensure the integrity of communication and navigation systems by preventing EMI from external sources such as cosmic radiation and other onboard electronics.
For instance, BLS are used in avionics to protect sensitive flight control systems, communication devices, and radar equipment, ensuring they function reliably without interference.
Military: Military electronics demand high reliability in harsh environments.
Equipment used in defense applications must be secure and uninterrupted, often in the presence of high EMI levels due to the use of various electronic warfare systems. BLS helps maintain the operation of critical equipment such as communication devices, radar systems, and weapon control systems.
For example, in unmanned aerial vehicles (UAVs), BLS is essential for shielding the electronic control systems from EMI, ensuring accurate data transmission and operational control.
Medical Devices: Medical devices, especially those involved in diagnostics and patient monitoring, require precise and accurate readings. EMI can cause significant errors in these devices, potentially leading to incorrect diagnoses or treatment plans.
Board Level Shields are used in medical imaging equipment like MRI and CT scanners to protect the sensitive electronics from interference, ensuring clear and accurate images. Additionally, in wearable health monitors and implantable devices, BLS ensures that these devices operate reliably and do not cause harmful interference with other medical equipment.
Automotive: In the automotive sector, the proliferation of electronic systems within modern vehicles necessitates effective EMI shielding. BLS is used to protect numerous electronic systems, such as engine control units (ECUs), infotainment systems, and advanced driver-assistance systems (ADAS), from EMI.
For instance, in electric vehicles (EVs), BLS shields the power electronics and battery management systems from EMI, ensuring efficient energy management and safety. Moreover, as cars become more connected and autonomous, the need for reliable EMI shielding becomes even more critical to prevent interference that could affect vehicle safety and performance.
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Technological Solutions for EMI
To address the complex challenges of EMI, technology has evolved with innovative materials and designs:
Multi-cavity shields: These shields isolate different sections of a PCB, preventing interference between components. This design is particularly useful in applications where multiple high-frequency signals are present, such as in communication devices and radar systems.
Conductive gaskets: Used to seal gaps in shielding, these gaskets ensure continuous protection against EMI. They are commonly employed in enclosures and cabinets housing sensitive electronics, providing an effective seal that maintains the integrity of the shielding.
Advanced materials: Utilizing high-performance alloys and conductive coatingsimproves shielding effectiveness without adding significant weight or bulk. These materials are chosen for their conductivity, durability, and resistance to environmental factors, making them ideal for demanding applications in aerospace and military electronics.
The Leader Tech Solution
Leader Tech’s Board Level Shields are designed to meet the rigorous demands of modern electronic applications. Here’s how our solutions stand out:
Customizable Designs: We offer both standard and custom designs tailored to your specific needs, ensuring optimal fit and performance. Our engineering team works closely with customers to develop shields that meet their exact specifications, providing solutions that integrate seamlessly with their existing designs.
High-Quality Materials: Our shields are made from high-quality materials that provide superior EMI protection while being lightweight and durable. We utilize materials that offer excellent conductivity and corrosion resistance, ensuring long-term performance in challenging environments.
Ease of Integration: Designed for easy integration into your existing systems, our BLS solutions reduce installation time and costs. Our shields are designed with features such as snap-on or solderable tabs, making them easy to install and remove without compromising the shielding effectiveness.
Reliable Performance: Tested under extreme conditions, our shields guarantee reliable performance across various industries, ensuring your devices remain operational and efficient.
Why Choose Leader Tech?
Expertise: With decades of experience, Leader Tech understands the complexities of EMI and provides solutions that are both innovative and effective. Our team of experts stays abreast of the latest developments in EMI shielding technology, ensuring that our products meet the highest standards of
performance.
Customization: Our team works closely with you to design shields that meet your specific requirements, providing tailored solutions for unique challenges. Whether you need a standard shield or a custom design, we have the expertise and resources to deliver a solution that fits your needs.
Quality Assurance: Rigorous testing and quality control ensure that our products meet the highest standards of reliability and performance. Our quality management system is certified to ISO 9001 and AS9100 standards, ensuring that every product we deliver meets the stringent requirements of our customers.
Diverse Board Level Shielding Solutions for All Electronic Applications
Leader Tech provides EMI designers flexibility and cost-effective standard and custom solutions. Additional features such as special cutouts, vent holes, electrically insulating, thermal, absorbing, and EMI/RFI gasketing can be added to optimize your circuit board shield. Avoid long lead-times and expensive custom tooling by contacting one of our applications engineers today to discover what Leader Tech product you need for your next project.
Circuit Board Shield Design Guide
Leader Tech is a manufacturing innovator focused on constant improvement and refinement of proven product platforms and manufacturing methods. This allows us to deliver cost-effective shielding solutions that solve EMI problems for both current and emerging electronic applications.
From small footprints and low-profile applications to multi-level board designs, we offer a wide selection of standard, modified standard, and custom board level shielding products to fit your exact specifications. Our most popular product lines are outlined below.
Our Board Level Shielding Products
Custom One-Piece Shields
Decades of engineering and manufacturing experience provide you with the ultimate board level shielding flexibility. From 3D modeling, material selection and prototype to high volume production, we are with you every step of the way. Our one piece shields can be designed to mate properly with our tech clips. see product details
Surface Mount Shields (SMS)
Surface Mount Shields offer a highly reliable, cost effective, off-the-shelf solution for most surface mount shielding applications. Our SMS shields are supplied in tape & reel packaging and are suited for any volume application including automated pick and place assembly operations. see product details
One Piece Surface Mount Shield
Our one piece SMS style can be specified for applications that require no inspection or repair of shielded elements. Explore our one piece SMS options
Two Piece Surface Mount Shield
Two Piece Surface Mount Shield For board applications that require inspection, Leader Tech offers two piece SMS shields. This style allows for fast and easy removal of the cover providing full access to components. Find solutions for your project
Modified CBS Shields
Simply one of the best shields ever made. Our standard CBS products are at the top of the board-level shielding industry in performance, flexibility and value. The highly reliable 2-piece design (fence and cover) accommodates virtually any through-hole or surface mount application. See product details
Slot-Lok™ Form Down Single Cavity and Multi Cavity Shields
As close to custom as you can get…without the cost! Slot-Lok™ Form Down shields are designed and manufactured using modular manufacturing methods that increase shield design flexibility while reducing lead time and total product cost. Slot-Lok™ Circuit Board Shields achieve this by applying standardized manufacturing methods to produce what would traditionally be a custom manufactured product. The Slot-Lok™ manufacturing process has helped many companies reduce their design-to-delivery time without incurring tooling charges. An added feature of the Slot-Lok™ design is an audible click that confirms secure retention of the cover. If you need a cost-effective shielding solution with near limitless design flexibility, Slot-Lok™ is the option of choice. See product details
Slot-Lok™ Pro Single Cavity and Multi Cavity Shields
Our cost-effective Slot-Lok™ shielding solutions are also available with Slot-Lok™ Pro options. Our excellent design style is built specifically for high frequencies and special shapes. Our tested solid wall construction with welded corners eliminates apertures in corners for enhanced shielding performance at high frequencies. See product details
Tech Clips
The Tech Clip is an EMI board shield retaining clip that reduces circuit board obstructions to allow for easier access to components. Simplify circuit board testing, inspection, and maintenance by using Leader Tech Tech Clips. The Tech Clip eliminates the need for hand soldering, as the parts are delivered in tape & reel packaging and are compatible with high-speed automated placement equipment. The Tech Clip allows for easy shield removal and replacement for PCB rework or maintenance and saves money on PCB costs by eliminating the need for through holes. Explore Tech Clip products
Let’s Protect Your Devices
Investing in Leader Tech’s Board Level Shields is a proactive step towards ensuring the reliability and performance of your electronic devices. Explore our range of products and contact our engineering team to find the perfect shielding solution for your needs.
Our experts are ready to assist you in selecting or designing a shield that will provide the protection your application requires, ensuring your devices operate without interruption and perform to their fullest potential.
