Many shielding problems can be solved easily by the use of conductive foils. Not only can they be used even for shielding large rooms but also for small plastic enclosures.
Some of the most commonly used materials are reinforced Amucor foil and mu-copper foil, with or without (conductive) self-adhesive and insulation. Laminates of metal foils with flame retardant Nomex or Valox are also available. Our engineers can help you with the right design to make overlaps, holes or connectors, cables and spuds.
Options
flame retardent version
with (conductive) self-adhesive backing
with insulation layer
Shielding Performance
The shielding performance depends on the selected material. In the table you will find the characteristics of mu-copper foil. For characteristics of other materials, please contact our technical specialists.
Possible Applications
PCB shielding, small folded boxes for sensitive components, with a flame retardant insulation on the inside. Folded insulated envelopes around PCBs, shielded displays (transparent conductive foils), and many more.
Field
Frequency
Mu-copper
H
1 kHz
22 dB
H
10 kHz
35 dB
H
200 kHz
68 dB
E
10 kHz
99 dB
E
200 kHz
127 dB
E
1 MHz
125 dB
E
18 MHz
101 dB
P
400 MHz
120 dB
P
1 GHz
110 dB
P
10 GHz
120 dB
See Guarantee
PCB/compartment shield
An other application is a highly conductive foil laminated with a high deflection, low closure force foam layer. The rigidity of the housing is used to shield the separations on the PCB. Combinations with conductive fabrics or non-woven are also available.
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Many shielding problems can be solved easily by the use of conductive foils. Not only can they be used even for shielding large rooms but also for small plastic enclosures.
