Product Description
The copper foil with conductive acrylic adhesive is a specialized material designed to provide effective shielding against electromagnetic interference (EMI) and electrostatic discharge (ESD). This product plays a critical role in various electronic applications where maintaining the integrity of signals and protecting sensitive components from external interference is essential.
Product Composition and Structure
The copper foil is a thin, highly conductive metal layer, characterized by its excellent electrical conductivity. This feature is vital in creating a barrier against unwanted electromagnetic fields, ensuring that electronic signals remain stable and free from noise. The adhesive layer on this foil is made of a conductive acrylic material that not only ensures strong adhesion to various surfaces but also maintains electrical continuity across the bonded areas.
With a thickness of just 0.06 millimeters, this foil is incredibly versatile and can be applied in areas where space constraints are a concern. The foil comes in a length of 33 meters and a width of 19 millimeters, making it suitable for a wide range of applications, from small electronic components to larger surface areas requiring comprehensive coverage.
Key Features and Benefits
• Electromagnetic Interference (EMI) Shielding: One of the primary applications of this copper foil is in shielding electronic components from electromagnetic interference. EMI can cause significant issues in electronic circuits, leading to malfunction, data corruption, or loss of signal integrity. The copper foil acts as a Faraday cage, preventing external electromagnetic fields from penetrating and affecting the components it protects.
• Electrostatic Discharge (ESD) Protection: In environments where static electricity is a concern, this copper foil provides an effective solution. ESD can damage sensitive electronic components, and the conductive nature of the foil allows it to safely dissipate static charges, protecting the underlying materials from potential damage.
• High Corrosion Resistance: The copper foil is designed to resist corrosion, which is particularly important in environments where moisture, chemicals, or other corrosive elements are present. This feature ensures long-term reliability and performance, even in challenging conditions.
• Strong Adhesive Properties: The conductive acrylic adhesive used on the copper foil is formulated to provide a strong bond to a variety of surfaces, including metals, plastics, and composites. This adhesive ensures that the foil remains securely in place, even in environments subjected to vibration, temperature changes, or other mechanical stresses.
• Temperature Tolerance: The copper foil with conductive adhesive is capable of operating in a wide temperature range, from -20°C to 150°C. This makes it suitable for use in environments that experience extreme temperatures, whether in industrial settings or within electronic devices that generate heat during operation.
• Solderability: The copper foil can be soldered, allowing it to be integrated into circuits where solder connections are necessary. This feature is particularly beneficial in electronic manufacturing and repair applications, where secure and reliable connections are essential.
Applications
The copper foil with conductive adhesive is widely used across various industries and applications, including:
• Electronic Device Manufacturing: In the production of smartphones, tablets, laptops, and other electronic devices, this copper foil is used to shield sensitive components from EMI and ESD. Its thin profile and strong adhesive properties make it ideal for use in compact electronic assemblies.
• Automotive Electronics: Modern vehicles are equipped with a vast array of electronic systems, from infotainment systems to advanced driver assistance systems (ADAS). The copper foil helps protect these systems from EMI, ensuring they function reliably in the presence of powerful electromagnetic fields generated by the vehicle's own electronics and external sources.
• Telecommunications Equipment: In telecommunications, maintaining signal integrity is crucial. The copper foil is used to shield cables, connectors, and other components in telecommunications equipment, ensuring that data transmission remains stable and free from interference.
• Industrial Equipment: In industrial settings, where large motors, transformers, and other equipment generate significant electromagnetic fields, this copper foil is used to protect sensitive control systems and instrumentation from EMI. Its ability to operate in harsh environments makes it a valuable asset in these applications.
• Medical Devices: In the medical field, the copper foil is used in the manufacturing of devices that require protection from EMI, such as imaging equipment, monitors, and diagnostic tools. Ensuring these devices operate without interference is critical for patient safety and accurate diagnostics.
Installation and Handling
The installation of the copper foil is straightforward, thanks to its flexible nature and strong adhesive backing. The foil can be cut to size using standard tools, and its flexibility allows it to conform to curved or irregular surfaces. When applying the foil, it is important to ensure that the surface is clean and free from contaminants to achieve the best adhesion.
In applications where the foil will be soldered, standard soldering techniques can be used. The copper material bonds well with solder, creating secure electrical connections. Care should be taken to avoid excessive heat during soldering, which could damage the adhesive layer.
Conclusion
The copper foil with conductive acrylic adhesive is an essential material for shielding against electromagnetic and electrostatic interference. Its combination of high conductivity, strong adhesion, corrosion resistance, and temperature tolerance makes it a versatile solution for a wide range of applications. Whether used in consumer electronics, automotive systems, telecommunications, industrial equipment, or medical devices, this copper foil ensures reliable performance and protection, contributing to the overall integrity and functionality of the systems in which it is installed.
| Materials |
Copper foil |
| Length L |
33 m |
| Width B |
19 mm |
| Thickness |
0,06 mm |
| Colours |
copper |
| Adhesive strength |
4,5 N/cm |
| Tensile strength at break |
40 N/cm |
| Heat resistance min |
-20 °C |
| Heat resistance max |
150 °C |
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