Jovvi international
Beijing Hengtai Tech Co., Ltd
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Honeycomb Vent
Honeycomb filters are utilised to obtain effective electromagnetic shielding while assuring, at the same time, excellent airflow. The filters may be provided in various materials, with or without EMI/EMC frame and gaskets (and environmental sealing), ready for installation.
Brass: Utilised both in the industrial and military sectors: excellent resistance to corrosion and reasonable costs.
Shielding Effectiveness from 1 KHz to 40 GHz.
Steel: This is the type most utilised, both in civil and military applications, for the correct compromise between costs, performance and corrosion resistance. This resistance may be improved with painted coatings (both conductive and/or protective from the aggression of external elements).
Shielding Effectiveness from 1 KHz to 40 GHz.
| Material | Thickness | Cell Hole Size | Outer Size | Frame |
| Stainless Steel | 25mm, 50mm, Customized. | 3.2mm, 4.8mm, 5.2mm, 6.2mm, 8.2mm | 300*300, 300*600, 600*600, Customized | H type, C type, without frame. |
| Tin Plate | ||||
| Brass | ||||
| Aluminum |
Product features
the cut-off waveguide ventilation window is composed of hexagonal honeycomb core material with frame.
On the premise of ensuring efficient ventilation, the principle of high pass and low resistance of cut-off waveguide
is used to effectively shield electromagnetic wave. Generally speaking, the cut-off principle of cut-off waveguide is:
l ≥ 5D (L: waveguide length, D: maximum diameter of waveguide section), Therefore, the shielding effectiveness of
the cut-off waveguide ventilation window depends on the length of the waveguide (i.e. the thickness of the honeycomb
core and the size of the aperture of the honeycomb core)
Packing