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News
Noise suppression sheets:Ultra-thin magnetic sheets with high permeability
2017-05-23 | ReturnThis improvement was made possible by TDK's unique laminated design: The IFM10M sheet consists of a magnetic layer and a copper-plated layer of polypyrrole resin and no longer requires a layer of double-sided tape. With these sheets TDK has succeeded in creating an ultra-thin copper cladding of just 1 µm based on plating process technology developed by Achilles Corporation. Thanks to their low profile, the new Flexield IFM10M noise suppression sheets are suitable for use in slim devices such as smartphones, tablets, notebooks and stylus pens.
As electronic devices, including smartphones, have become smaller and thinner as well as more multifunctional with a higher degree of integration, the need for better and more efficient noise suppression is growing, for example, to ensure the reliable function of NFC (near-field communication) and wireless charging in the same device. In addition to noise suppression within the circuit using EMC components and standard circuit design measures and, it is essential to suppress unexpected and unwanted interference. Magnetic sheets are used to absorb noise and prevent from leaking externally or reflecting internally.
Main applications
。Noise suppression for electronic devices, such as smartphones, tablets and notebooks
。Input devices such as stylus pens
Main features and benefits
。Thin magnetic sheets can help to make devices thinner and lighter while maintaining highly efficient noise suppression performance over a broad bandwidth
Key data
Type |
Magnetic permeability [μ’] at 1 MHz |
Frequency range [MHz] |
Standard size [mm] |
Thickness [mm] |
IFM10M-025BB300X200 |
100 (typ.) |
0.5 to 10,000 |
300 x 200 |
0.04 |
Source:http://www.global.tdk.com/