Product category:
Enclosures and Equipment Cooling Fans
News Release from: Chomerics Europe | Subject: Soft-Shield 4800
Edited by the Engineeringtalk Editorial
Team on 12 November 2004
Cost effective soft shielding's low
closure forces
Chomerics has introduced a new approach to soft, foam-based EMI shielding technology.
Chomerics has introduced a new approach to soft, foam-based EMI shielding technology Soft-Shield 4800 is a conductive Z-axis 'multi-planar' EMI gasket that features electrically conductive fibres dispersed in low-density foam to give a high performance yet extremely cost effective shielding
This article was originally published on Engineeringtalk on 23 Mar 2001 at 8.00am (UK)
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Chomerics has optimised the construction of the conductive fibres and develop a process that disperses them densely and evenly within the base foam to give extremely short ground paths.
Importantly, this is done without compromising the physical and mechanical properties of the foam.
The result is a shielding material that requires very low closure forces and has excellent compression set properties (less than 15 per cent) said Chomerics.
Soft-Shield 4800 has an average shielding effectiveness of 95dB (from 100MHz to 10GHz) and a through resistance of less than 10 milliohms at 50 per cent deflection that remains stable after multiple closure cycles.
Manufactured in roll form, the shield lends itself to economical conversion into custom die-cut shapes for applications such as I/O panels, backplanes, connectors, access panels and compartmental shielding.
The new material is available with an optional pressure sensitive adhesive tape on one side to aid assembly and has an operating temperature range of -40 degrees C to +70 degree C.
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