Laird: Highlighting World-Class EMI Shielding Capabilities
When electromagnetic waves flow, interference can put the most essential devices and the lives of people who depend on them at risk. Skilled engineers use coordinated systems designed to help build the best EMI defenses.
Laird is a company that has been perfecting the art of creating high-quality EMI shielding materials for over two decades. They aim to suppress interference and meet immunity requirements, isolate offending circuits by filtering, grounding, and shielding, desensitize devices by increasing their immunity to susceptible circuits, and solve complex EMI dilemmas from PC board emissions to conductive radiation. In addition, Laird takes complete ownership of their process and embeds engineers and technical specialists in every design phase to provide timely, cost-effective, and tailored products to their customers, unlike their competitors.
ABLE, a leading converting contractor, prioritizes providing its customers with the best products in the converting industry by using materials of the highest quality. To accomplish this, ABLE has partnered with Laird, one of the best brands in the industry, to ensure their customers receive top-of-the-line EMI shielding materials. Laird has perfected the art of creating high-quality EMI shielding materials for over two decades, suppressing interference, meeting immunity requirements, and solving complex EMI dilemmas. Through their partnership with Laird, ABLE is able to offer timely, cost-effective, and tailored products to their customers, ensuring they receive only the best materials in the converting industry.
Learn more about Laird’s world-class EMI shielding expertise and why they are the best among the rest.
Laird: Offering Protection for the Aerospace and Defense Industries
Laird offers custom solutions to enhance the survivability, reduce signal interference, and improve thermal management of electronics used in various applications. These may include fifth-generation fighter jets, missile systems, UAVs, refueling tankers, satellites, and more. They use advanced modeling and simulation, materials database, and particle research capabilities to develop materials that perform reliably across various frequencies, from low frequencies under 500 MHz to millimeter wave frequencies up to 90 GHz. Laird’s fluorosilicone elastomers, thermal insulators, and microwave absorbers can withstand high temperatures and exposure to jet and missile fuel. These further provide reliable solutions to combat electromagnetic interference and improve the reliability of critical survivability components and electronics housed near jet engines.
For engineers working on satellite electronics systems, Laird provides silicone and silicone-free thermal interface materials that resist outgassing. Precision metals solutions are also available to manage electromagnetic interference and improve device structural integrity within enclosures.
Laird’s electrically conductive elastomers perform key structural and electromagnetic interference mitigation roles aboard aircraft of all types. Their measurement, testing, modeling, and simulation capabilities ensure that they can respond to the evolving needs of design engineers developing next-gen aircraft.
Laird Performance Materials: Building the Best EMI Defenses
Laird takes complete ownership of their process, setting them apart from their competitors. They embed their engineers and technical specialists in every phase of the design to ensure the highest-quality products that are timely, cost-effective, and tailored to their customers’ needs. Laird offers thousands of standard EMI shielding materials and unlimited custom options for various metal components. Customers can explore their catalog or contact an engineer through their customer service center to create their own EMI application in just an hour.
A Summary of Solutions
Laird’s solutions for effective EMI shielding and grounding of electronic and electric applications includes:
- wire mesh and knitted EMI shielding gaskets
- vent panels
- SMD grounding contacts
- metalized fabrics
- board level shielding
- form-in-place gaskets and sealer
- conductive foam gaskets
- fingerstock enclosure shielding gaskets and contact strips
- conductive tapes and adhesives
- conductive elastomers
- fingerstock metal connector shields, and fabric-over-foam
These solutions provide reliable protection in various conditions, such as high dynamic flex conditions or harsh environments.
Enclosure Solutions Groups: A Solution for Every Challenge
Board Level Shielding (BLS)
Effective management of electromagnetic interference necessitates protection that considers space, weight, and application constraints. Laird offers shields that provide isolation of board level components, whether a one-piece, two-piece, or custom BLS, to meet the specific needs of their customers.
Conductive Foam Gaskets
Laird offers a solution for enhanced EMI shielding needs through their innovative Ecofoam, which provides X, Y, and Z-axis conductivity for effective performance in low-cycling applications. Ecofoam can be customized by die-cutting, hole-punching, and notching, and features conductive PSA on one side.
Products under this group include:
- Ecofoam: By providing X, Y, and Z-axis conductivity, Laird’s Ecofoam™ offers an innovative alternative to traditional shielding and grounding methods, resulting in enhanced shielding effectiveness.
- Flame Retardant Ecofoam: Laird’s Flame Retardant Ecofoam meets UL94 V0 flammability requirements through their unique patented proprietary technology. Additionally, it provides X, Y, and Z-axis conductivity, further enhancing the shielding effectiveness.
Laird’s thinner tapes offer a solution to EMI issues. Their highly conductive tapes, fabrics, and adhesives are made from nickel/copper metalized fabric and come with a conductive PSA, providing exceptional EMI shielding, grounding, and flexibility.
Products under this group include:
- Double-Sided Conductive Fabric Tapes: Laird offers conductive fabric shielding tapes that are highly conformable and conductive for dynamic flex applications. These tapes are made of nickel/copper metalized fabric with a pressure-sensitive transfer adhesive that provides anisotropic electrical conductivity through the Z-axis. They offer good stick and shear properties for use in various applications.
- Conductive Transfer Adhesive: The anisotropic acrylic pressure-sensitive transfer adhesive exhibits electrical conductivity in the Z-axis (adhesive thickness) and possesses strong adhesion and shear properties suitable for various applications.
- Single-Sided Conductive Fabric Tapes: Laird’s conductive fabric shielding tapes provide exceptional conductivity and conformability for dynamic flex applications. These tapes consist of nickel/copper metalized fabric and offer a reliable solution for EMI shielding.
- Conductive Fabric: Conductive fabrics, commonly known as metalized or smart fabrics, are fabrics that incorporate conductive metals such as nickel, gold, carbon, stainless steel, or titanium.
Electrically Conductive Elastomers
Electrically conductive elastomers offer a solution to seal slight openings in shielding systems. They can conform to surface irregularities and are effective even in harsh conditions, preventing closure issues from creating an easy-access path.
Products under this group include:
- Co-Extruded EMI Shielding Gaskets: The co-extrusion process creates various non-conductive and conductive elastomer profiles in diverse compounds. These profiles are used for environmental sealing and EMI shielding purposes.
- Molded Wareguide EMI Shielding Gaskets: The electrically conductive elastomer compound molding process is closely monitored throughout design and fabrication, including single cavity prototype to multi-cavity production or compression type molds.
- Flat Washer EMI Shielding Gaskets: The process of die-cutting conductive elastomer produces material with excellent mechanical and EMI shielding properties.
- Extruded EMI Shielding Gaskets: A multitude of conductive elastomer profiles in different compounds can be produced through extrusion processes.
Laird offers Ni/Cu and Sn/Cu fabric-over-foam gaskets that provide excellent low shielding attenuation and high conductivity for applications that require low compression force. These gaskets are designed for durability and offer soft shielding.
Products under this group include:
- EcoGreen: Laird offers EcoGreen Fabric-over-Foam EMI gaskets that provide a broad range of excellent EMI shielding performance and offer excellent assembly tolerance absorption for customers who require soft and ultra-soft gaskets.
- EcoTemp: Laird offers EcoTemp Fabric-over-Foam gaskets composed of a soft silicone foam core wrapped with metalized fabric, providing excellent EMI shielding and grounding in a wide temperature range.
- Flame Retardant EcoGreen: Laird offers Flame Retardant EcoGreen Fabric-over-Foam EMI gaskets compliant with UL94 V0 flammability standards. These gaskets provide excellent EMI shielding performance across a wide range while meeting safety requirements for flame resistance.
Fingerstock Metal Gaskets
Laird has over 80 years of expertise in producing thin strip metal in varying quantities, from thousands of pieces to millions. They offer high-frequency grounding and shielding solutions that are readily available off the shelf. Laird has dozens of variations, so customers can inquire about which option best suits their needs.
One can optimize electronic performance by using molded form-in-place gaskets to provide reliable protection for compartmentalized cast or plastic enclosures for electronic assemblies. This cost-saving solution offers shielding effectiveness of 85-100 dB up to 10 GHz.
SMD Metal Contacts
Laird specializes in providing thin strip metal solutions for high-frequency EMI shielding and grounding ideal for bridging large gaps while requiring low compression force. These solutions are made of Beryllium Copper and are RoHS-compliant.
Sample Kits and Accessories
A variety of EMI shielding materials sample kits are available, providing customers with access to products and data to examine board-level shield, elastomer, gasket, fingerstock, and tape solutions.
Soft SMD Contacts
Laird offers a circuit grounding solution that uses foam-cored, soft SMD foam contacts with a metalized polyimide film outer covering. These contacts are suitable for automatic processing and are solder-reflow compatible.
Wire Mesh Knitted Conductive Gaskets
Design engineers widely recognize Laird’s knitted wire or conductive thread gaskets as a preferred solution for achieving high-performance EMI shielding and grounding in electronic devices and electrical applications.
Laird offers a range of EMI/Dust Filtration panels, including MaxAir and Electrovent, which effectively shield against EMI while capturing airborne contaminants. This ensures reliable protection without compromising on ventilation and airflow.
EMI interference can pose a significant risk to critical devices and the lives of those who rely on them. With over two decades of experience in creating high-quality EMI shielding materials, Laird offers custom solutions to suppress interference, meet immunity requirements, and solve complex EMI dilemmas across various industries.
By partnering with Laird, ABLE provides top-of-the-line EMI shielding materials to our customers in the converting industry. Laird’s commitment to providing reliable solutions is evident in its ability to enhance survivability, reduce signal interference, improve thermal management, and ensure long-term reliable performance of electronics used in various applications such as fighter jets, missile systems, UAVs, satellites, and more.
Their electrically conductive elastomers perform key structural and electromagnetic interference mitigation roles aboard aircraft of all types, and their rigorous measurement, testing, modeling, and simulation capabilities enable them to respond to the evolving needs of design engineers developing next-gen aircraft.
Interested in learning more about Laird’s EMI shielding materials? Get in touch with ABLE today and we’ll be more than happy to assist you!