Magnetic Thin Film Absorbing Material Designed For Notebook PC And Smartwatch Applicaiton Area
Magnetic Thin Film Absorbing Material designed for notebook PC and smartwatch application areas provides an advanced solution for electromagnetic interference (EMI) suppression in compact and high-density electronic devices. Engineered with high-permeability magnetic fillers embedded in an ultra-thin flexible polymer matrix, this absorbing material effectively converts unwanted electromagnetic energy into heat, reducing internal reflections and minimizing signal coupling between closely packed components. Unlike traditional shielding materials that reflect RF waves, magnetic thin film absorbers deliver targeted absorption directly at the noise source, improving overall system stability.
In notebook PCs, this material is commonly applied near processors, wireless modules, display assemblies, and high-speed connectors to control EMI while preserving slim mechanical designs. For smartwatches and wearable electronics, its extremely low profile and excellent flexibility allow seamless integration around antennas, batteries, and sensor modules without increasing device thickness or weight. The film supports roll-to-roll processing, custom die cutting, and optional adhesive lamination, making it ideal for automated mass production.
With reliable performance across wide temperature ranges and compliance with RoHS and REACH standards, magnetic thin film absorbing material is widely adopted in consumer electronics manufacturing. It helps designers achieve cleaner signal transmission, improved EMC compliance, and enhanced product reliability in today’s increasingly miniaturized notebook and wearable device platforms.
product characteristics
· Mainly composed of polyurethane polymer material and iron based alloy powder
· The product series has wide application frequency band and excellent absorption effect
· High and low temperature resistance, humidity and heat resistance, high environmental adaptability
· Meet RoHS, REACH, halogen-free and other environmental protection requirements
· Thin and light weight
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
Project | Parameter valve | Unit | Testing standard |
Surface | Silver gray, smooth surface, no defects such as bubbles, wrinkles and scratches | - | - |
Specifications | See table below | - | - |
Magneticpermeability | See table below | | GB/T 32596-2016 |
Working temperature | -40~+120 | ℃ | GB/T 2423.22-2016 |
Sheet resistance | ≥ 106 | Ω | Surface resistance tester |
Model | Specifications | Thickness of absorbing material (μm) | Magnetic permeability @3.49MHz (see test curve for details) | Double-sided adhesive thickness (μm) |
JCXB-LF100-020 | 50m×600mm | 100±10 | μ′ =20±10 | Customizable backing (width 300mm)
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JCXB-LF200-020 | 50m×600mm | 200±20 | μ′ =20±10 |
JCXB-LF050-030 | 50m×600mm | 50±5 | μ′ =30±10 |
JCXB-LF050-120 | 50m×600mm | 50±5 | μ′ =120±12 |
JCXB-LF090-120 | 50m×600mm | 90±10 | μ′ =120±12 |
JCXB-LF150-120 | 50m×600mm | 150±15 | μ′ =120±12 |
|
JCXB-LF030E-150 | 30m×300mm | 30±5 | μ′ =150±15 | Double-sided tape thickness 10±2 | |
JCXB-LF100-150 | 50m×600mm | 100±10 | μ′ =150±15 | Customizable backing (width 300mm) | |
JCXB-LF300-150 | 30m×600mm | 300±30 | μ′ =150±15 | |
JCXB-LF500-150 | 30m×600mm | 500±50 | μ′ =150±15 | |
JCXB-LF050-220 | 50m×600mm | 50±5 | μ′ =220±22 | |
Product Tags:
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Flexible EMI Absorber Sheet Magnetic Thin Film EMI Absorber Images
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