Card handle shielding

25 April 2001 Circuit & System Protection

Instrument Specialties-APM offers three unique products designed to shield the front panels of card cages. These three products accommodate the IEEE standard 1101.10, commonly referred to as Dot-10.

This front panel shielding has been designed to shield between the front panels on sub-racks and plug-in units. One version is a beryllium copper solid top symmetrical slotted finger stock strip pre-plated in sulfamate nickel. It is designed to mount on the T shape on a front panel extrusion. Specially designed for wiping applications, the configuration of these gaskets allows total symmetrical compression action with bidirectional engagement.

The fabric over foam versions are a nickel/copper plated fabric over neoprene core and a nickel/copper plated fabric over a urethane core. These are designed to be mounted using pressure sensitive adhesive (PSA) tape on grooved aluminium extrusions, common in the Dot-10 enclosure. The fabric over foam gaskets offer exceptionally low compression and are ideal in high-speed/high-access applications.

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