Tech-Etch, Inc.

Tech-Etch is a global supplier of EMI shielding products for the commercial and military markets. A leader in the RF shielding field for over 40 years, Tech-Etch designs and manufactures both standard catalog and customized shielding products. The complete shielding product line includes all sizes, shapes, compositions, mounting options and seal types. Products include BeCu EMI indows.

Tech-Etch RoHS compliant metalized fabric over polyurethane foam core gaskets are setting a new standard for EMI shielding control. Nickel-plating over a highly conductive copper plated substrate provides excellent electrical characteristics necessary for high attenuation shielding. Bonding the conductive substrate to the core assures self-termination when cut, while providing superior flexibility. All profiles have compression set of less than 3%. Mounting Stick-on Mounting uses double-sided pressure sensitive transfer tape for a fast, reliable installation. 3M 9495LE non-conductive adhesive or equivalent. Apply only on a clean, oil-free surface and allow a 24-hour cure time. Click here to download a PDF of Instructions for Installation of Shielding with Double Adhesive Transfer Tape.

Tech-Etch manufactures custom designed EMI shielding gaskets using 2600 Series metalized fabric wrapped around a polyurethane foam core and low cost rule-dies. The conductive fabric is bonded to the core assuring self-termination on all exposed edges. Rule die gaskets using metalized fabric with elastomer core can be designed and manufactured to suit your exact requirements. When designing a custom gasket, consider the following: Dimensional tolerances are influenced by the softness of the material. Minimum distance between any cutouts to the edge should be equal to the material thickness. Minimum hole diameters should be equal to the material thickness

• Sequential Part Number0001 0002
• Outer Dimensions A x B4
• C1.75
• No.1
• SP-

The 8000 Series Vents are manufactured in both custom and standard configurations. EMI shielding performance is achieved from 18 cell aluminum honeycomb panels mounted in high strength extruded aluminum frames available in 13 styles as shown. Frame to enclosure shielding options include Twinseal, Mesh gaskets, Beryllium copper shielding strips or Metalized Fabric Gaskets.

These PDFs let you design standard 1- and 2-piece board level shields, including new Low-Profile SlimShield with heights as low as .060".

• MaterialMonel
• H-Field 100kHz60 dB
• E-Field 10MHz>115 dB
• P-Field 1GHz95 dB

Tech-Etch manufactures EMI shielding knitted wire mesh, which can be used as economical gaskets for EMI shielding. All knitted mesh configurations are supplied on spools, coils or cut to length as individual gaskets with or without end seals. Most profiles are available as all mesh and all are available with an elastomer core to enhance compression characteristics and increase the deflection range. Standard wire materials are monel, TCS (tin plated copper clad steel), stainless steel and aluminum. Consult the factory for other materials. Wire selection should take into account attenuation potential, mechanical characteristics, and corrosion resistance.

Clip-on Mounting provides a reliable mechanical installation when there is an accessible mounting flange. Various flange thicknesses can be accommodated, and lances can be incorporated to enhance the holding force to the flange. Certain Clip-on strips have lance locations other than shown above. These dimensions are specified on the product drawings.Pressure Sensitive Mounting provides double-sided pressure sensitive transfer tape for a fast, reliable installation. 3M F9469PC transfer tape or equivalent may be used at ambient temperatures from -67°F to 300°F. Apply only on a clean, oil-free surface, and allow a 24-hour cure time. Consult the factory for other adhesives Snap-on Slot and Edge Mount Symmetrical fingers using single or double fingers are very economical for applications such as sliding drawers, doors, rack-mounted assemblies and covers. They perform well in bi-directional applications and the snap-on capability makes them easy to install.