Electronics Protection - July/August 2013 - (Page 28)

Contamination Gore Introduces Acoustic Vent for Protecting Electronic Devices The GAW113 acoustic vent from W. L. Gore & Associates’ Portable Electronic Vents group is designed to provide dust and splash protection for acoustic openings in portable electronic devices such as scanners, two-way radios, tablet and laptop PCs and other devices where reliable performance is essential. To function properly, portable electronic devices require acoustic openings that enable sound to enter and exit the system. If these openings are not adequately protected, contaminants such as dust and water can enter the enclosure and compromise the acoustic performance. The GAW113 vents are a proprietary non-woven composite material that adheres to the acoustic openings, providing a water spray efficiency of 90 percent with the ability to capture particulates as small as 5 microns (µm). It is a dark gray in color to provide a neutral complement to device designs and has a thickness of only 0.47 mm. With an improved spray resistance to IP54 testing, a thinner profile and < 2 dB of acoustic transmission loss, GAW113 provides a replacement and upgrade to Gore’s GAW104 portable electronic vents. The GAW113 vent provides added performance to vents comprised of woven material. Woven material captures only particles equal to or greater than its specified pore size. Particles such as human hair or metal fibers that have a surface area equal to or larger than the specified pore size can still pass through woven material because of their shape. The non-woven material used in the GAW113 is able to capture particles of various shapes and sizes because of its three-dimensional structure. It is also more likely to maintain consistent airflow because it captures particles in a torturous path not limited by a specific pore size. Roxtec Designs Lightweight CES Conduit Seal for Harsh Telecom Environments The new Roxtec CES is a conduit seal designed for the telecom industry because of its lightweight and easy to install attributes. The seal eliminates the problem of water entering the conduits causing damage to the system, fiber coax and power cables, especially during freezing temperatures. The Conduit Seal eliminates the need for silicones, butyl and other sealing masses that will fail in a short time, thereby saving installation time and reducing overall cost. UL/NEMA 3 and IP 55 approved, the Roxtec CES conduit seal is supplied as a kit, including two stainless steel clamps and Roxtec sealing modules that are adaptable to cables of different sizes. This feature simplifies everything from design and planning through to purchasing, installation and logistics. The Roxtec CES conduit seal for conduits is a lightweight cable entry and sealing solution developed to protect fiber and coax inside of conduit from water and rodents. It allows the use of preterminated cables. It can also be installed on existing sites without 28 disconnecting cables with the retrofit feature. The product seals the conduit in one end and the fiber bundle in the other, eliminating the frequent risk of damage due to humidity, ice and rodents. FIP/CIP Gasket Helps Eliminate Failures Caused By Adhesion Loss Dymax has introduced Ultra Light-Weld GA-145, a UV/visible light-curable form-in-place and cure-inplace gasket for fuel cell sealing applications. This chemical and moistureresistant gasket is formulated to be tack free, yet soft and flexible, with low outgassing after cure. It can be dispensed in intricate and complex configurations with the added benefit of in-line curing, which allows for increased production speed and reduced inventories. The material cures on demand, eliminating the need for racking long-curing alternatives and the waste associated with poorly fitting, or improper alignment of, die-cut gaskets. GA-145 demonstrates bond strength to metals, glass and PC, and is typically used in sealing fuel cell plates and stacks, automotive door handles, appliance housings, and critical electronic assembly and device applications. This material is resistant to hightemperature and high-moisture environments while maintaining added adhesion and flexibility. It exhibits low shrinkage, resulting in reduced stress on the fuel cell plate, stack housing, appliance housing or electronic assembly. Chemtronics Introduces Two Water-Based Conformal Coatings Chemtronics has introduced two water-based conformal coatings that provide protection for circuit boards, low odor and lower VOC (volatile organic compounds) emissions. Konform UR-A conformal coating is a unique water-based, urethane conformal coating that effectively protects circuits from moisture and airborne contaminants. It protects against abrasion, humidity, salt, corrosive vapors, solvents and fungus for printed circuit board and electronic assemblies. Konform HR conformal coating is a hybrid of acrylic and urethane resins, with the insulating dielectric advantages of an acrylic coating and the chemical resistance of urethane. Konform HR provides an effective protective barrier against humidity, salt, corrosive vapors and fungus. Konform UR-A and HR are water-based coatings, utilizing the safer and more environmentally-friendly water that replaces highVOC and toxic solvents such as xylene, toluene and MEK. VOC’s are smog producing compounds that are highly regulated in many regions. Removing highly volatile solvents also reduces the odor, which can improve the work environment. Both coatings are compliant with European RoHS and REACH directives in addition to most other environmental standards. Konform Conformal Coatings are engineered to protect printed circuit boards and components. These coatings provide electrical insulation and withstand hot and cold operating environments, as well as heat generated by electronic circuitry. July/August 2013 www.ElectronicsProtectionMagazine.com http://www.ElectronicsProtectionMagazine.com

Table of Contents for the Digital Edition of Electronics Protection - July/August 2013

Electronics Protection - July/August 2013
Newer Technology Releases Next-Generation Power2U AC/USB In Wall Charging Solution
Subzero Engineering Introduces PolarXpress DCiM SaaS Monitoring Solution
Specifiers of Enclosures for Components in Outdoor Applications: Be Aware of Material Selection Issues
Formable Phase Change Materials as Latent Heat Sinks for Portable Electronic Devices
How to Protect Electronic Circuits from Power Surges
Diamond Heat-Spreaders: Growth Methods and Applications
Standards-Based Design & Electronic Packaging Solutions
Reducing Room-Level Bypass Airflow Creates Opportunities to Improve Cooling Capacity and Operating Costs
Harnessing Laboratory Wind Tunnels
New DVR Enclosure with Prepackaged Thermoelectric Cooler
New Silver Conductive Aqueous Based Sodium Silicate System for EMI/RFI Shielding
Citizen and MechaTronix LED Cooling Cooperate On New Generation CitiLED COB’s
Eaton Expands 5P UPS Product Line to Provide Efficient Protection for Any IT Environment
Flex-Block System Puts Free-Standing Enclosures on New Footing
Gore Introduces Acoustic Vent for Protecting Electronic Devices
Industry News
Calendar of Events

Electronics Protection - July/August 2013

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