EMI Vent Panels
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Catalog excerpts

EMI Vent Panels - 1

TECHNICAL BULLETIN NUMBER 202 CUSTOM-ENGINEERED SHIELDING PRODUCTS Metex Electronic Shielding Products The diversity and versatility of our product line enables Metex to offer a wide range of custom solutions to optimize shielding effectiveness.We provide both off-the-shelf and custom designs in commercial and military-grade materials to ensure EMC integrity and quality. From prototype to volume production, our product line includes: • Knitted Wire Mesh • Conductive Silicone Adhesive • Vent Panels/Mesh Screens • Shielding Tape/Foil Laminates • Spring Fingers • Fabric Over Foam Gaskets • Conductive Fabric • Connector Gaskets • Oriented Wire • Braided Rope • Braided Sleeving • Wire Mesh Gaskets • Shielded Windows METEX has been a pioneer in EMI/RFI gasketing and shielding products for more than five decades. In fact, METEX developed the very first EMI/RFI gasket to help MIT solve a severe interference problem for the earliest high-power, high-frequency airborne radar. That pioneering spirit is still alive today—with a complete line of military and commercial-grade EMI/RFI shielding solutions. As communications and information technologies expand, the need to provide EMI/RFI solutions becomes more critical than ever before. Complete support— from technical review to design and application assistance Metex Mexico Metex Mexico Parque Industrial La Mesa Calle 34 sur s/n fracc. Rubio Edif. B. Suite B-2 La Mesa Tijuana, Baja California Mexico Phone: 011-52-66-45-11-49, 011-52-66-45-11-48 Fax: 011-52-66-45-11-46 Honeycomb Shielding Aluminum: The standard structure is 1/8" cell adhesive bonded honeycomb, available in 1/2" or 1/4" thickness. Steel and Brass honeycomb shields are available on a custom basis. Shielded Mesh Screens Shielded Mesh Screens replace honeycomb media with several layers of woven wire mesh. They are designed for use on shielded electronic enclosures which require filtered air. Mesh screens are easily removable for cleaning. Framing Options Standard frame material is extruded aluminum 6063 T-4 alloy. Various Cframe cross sectional configurations are shown on page 2. Many other sizes and styles are available. EMI gasket options include wire mesh and elastomer, groove mounted wire mesh, spring finger gaskets, Metex oriented wire or Metex CF conductive fabric over foam gaskets. Our EMI Vent Panels continue a long-standing Metex tradition of integrating the right designs, materials and production methods to meet customer needs for optimal performance at the lowest possible cost. Metex Corporation 970 New Durham Road Edison, New Jersey 08818 Phone: 732-287-0800 1-800-222-0969 Fax: 732-287-8546 E-mail: sales@metexcorp.com Website: www.metexcorp.com Metex EMI vent panels provide maximum attenuation with minimal air flow resistance. Shielding effectiveness is greater than 80 dB at 10 MHz for chromate finished, single layer honeycomb and is increased to 105 dB using our cross cell construction. By selecting the appropriate frame style, finish, and gasket type, performance can be custom tuned to meet your shielding requirements and your budget constraints. Vent panels are constructed of aluminum alloy honeycomb with a perimeter frame of aluminum extrusion for mounting and gasket applications. Various gasket options include wire mesh, spring finger or conductive fabrics. Mounting Panels are typically mounted to an enclosure using captive threaded inserts, and threaded fasteners. Shielding Effectiveness Depending on their size, type of material, finish and gasket type used, vent panels vary in shielding effectiveness. As an example, a 12" square, tin plated aluminum vent panel with a wire mesh gasket, will provide greater than 90 dB of attenuation, at 1 GHz plane wave. Metex can provide shielding effectiveness data for your specific vent panel design. World-class EMI/RFI manufacturing capabilities

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EMI Vent Panels - 2

TECHNICAL BULLETIN Cross Sections EMI Vent Panel Construction The cross sections shown to the left depict the construction of the basic Cchannel vent panel, with examples of the material codes from the materials table. Many other frame styles and materials are available. Consult a Metex Shielding Applications Engineer for design assistance. Standard gasket construction consists of knitted monel wire mesh, bonded to a neoprene sponge gasket. For other gasket materials, please consult a Metex Shielding Sales Engineer. 1/8" cell, single layer H/C with 8-32 captive fastener. PRODUCT...

Open the catalog to page 2
EMI Vent Panels - 3

TECHNICAL BULLETIN Cross Sections EMI Vent Panel Construction The cross sections shown to the left depict the construction of the basic Cchannel vent panel, with examples of the material codes from the materials table. Many other frame styles and materials are available. Consult a Metex Shielding Applications Engineer for design assistance. Standard gasket construction consists of knitted monel wire mesh, bonded to a neoprene sponge gasket. For other gasket materials, please consult a Metex Shielding Sales Engineer. 1/8" cell, single layer H/C with 8-32 captive fastener. PRODUCT...

Open the catalog to page 3
EMI Vent Panels - 4

TECHNICAL BULLETIN NUMBER 202 CUSTOM-ENGINEERED SHIELDING PRODUCTS Metex Electronic Shielding Products The diversity and versatility of our product line enables Metex to offer a wide range of custom solutions to optimize shielding effectiveness.We provide both off-the-shelf and custom designs in commercial and military-grade materials to ensure EMC integrity and quality. From prototype to volume production, our product line includes: • Knitted Wire Mesh • Vent Panels/Mesh Screens • Spring Fingers • Conductive Fabric • Oriented Wire • Braided Sleeving • Shielded Windows, Instrumentation and...

Open the catalog to page 4

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