Ultra-Thin Magnetic Absorbing Film for EMI Noise Suppression

Product overview

Ultra-thin magnetic absorbing film is designed to suppress electromagnetic interference generated between high-density electronic components and high-speed signal lines. Built on a flexible polymer substrate embedded with magnetic alloy particles, the material efficiently converts unwanted electromagnetic energy into heat, reducing radiation noise.

The extremely thin profile allows seamless integration into compact electronic assemblies such as smartphones, laptops, wearable electronics, and RFID modules. Engineers can easily apply the material onto chips, cables, or shielding structures without increasing device thickness.

This absorbing film performs effectively across a wide frequency range, making it suitable for both near-field noise suppression and RF performance optimization. High surface resistance enhances insulation reliability while preventing electrical short circuits during operation.

The product maintains stable performance under harsh environmental conditions, including temperature fluctuations, humidity exposure, and long-term device operation. Custom die-cutting, adhesive backing, and roll formats enable efficient mass production integration.

Main features

(1) Polyurethane substrate, thin and light in weight. Good wave absorption and shielding effect

(2) Meet RoHS, REACH, halogen-free and other environmental requirements

(3) High and low temperature resistance, high surface resistance

(4) Die-cutting/Back coating can be customized according to customer needs

Application area

Smart phones, laptop computers and other consumer electronic devices, smart wearable devices NFC/RFID, etc.

Smart mobilephone

Notebook PC

Smartwatch

RFID label

Some product models and parameters