EMI-attenuating air ventilation panel

Details EMI-attenuating air ventilation panel EMI-attenuating air ventilation panel

1997-09-25

1999-07-27

Joyce, Harold

Ventilation

Electronic cabinet

174 35R, 361693, H05K 720

Patent

active

059280760

ABSTRACT:
EMI-attenuating air ventilation panel for electrical and electronic systems. An opening through a metallic panel is realized using an extrusion method in order to obtain a tube leaving the opening at one end. The periphery of the opening at the other side of the extruded tube has a smooth edge in order to improve air circulation. A multitude of such extruded holes are critically placed on the panel to form an array. The panel in turn is mounted in an electrical or electronic system to allow air cooling while the extruded tubes attenuate EMI radiation to and from electrical circuits.

REFERENCES:
patent: 4631641 (1986-12-01), Brombal et al.
patent: 5285350 (1994-02-01), Villaume
patent: 5707282 (1998-01-01), Clements et al.

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