Single conductor copper foil tape

Single conductor copper foil tape is a specialized and highly functional adhesive product that has carved out a significant niche in the electronics and electrical industries. Its unique combination of properties makes it an essential component for a variety of applications where efficient electrical conductivity and reliable adhesion are crucial.

At the heart of single conductor copper foil tape is a high - purity copper foil. Copper is chosen for its remarkable electrical conductivity, second only to silver among common metals. This high - purity copper foil, typically with a purity level of 99% or higher, serves as the primary conductor for electrical signals. The thickness of the copper foil can vary based on application requirements, generally ranging from as thin as 12 - 18μm for applications demanding extreme flexibility, such as in some wearable electronics, to around 35 - 70μm for more robust applications where higher current - carrying capacity or mechanical strength is needed, like in certain industrial electrical equipment.

Single conductor copper foil tape Features

Exceptional Electrical Conductivity
The single - conductor nature of the tape, with its continuous copper foil structure, ensures minimal electrical resistance. This allows for highly efficient transmission of electrical current. In applications such as grounding in electrical circuits, the tape can quickly and effectively transfer electrical charges to the ground, reducing the risk of electrical shock and ensuring the proper functioning of electrical systems. For example, in large - scale data centers, single conductor copper foil tape is used to ground various electrical components, providing a reliable and low - resistance path for electrical current.
Superior EMI/RFI Shielding
Electromagnetic interference (EMI) and radio - frequency interference (RFI) can disrupt the normal operation of electronic devices. The copper foil in the tape acts as an excellent shield against these interferences. Copper's high electrical conductivity allows it to reflect and absorb electromagnetic waves. When used to shield electronic components or enclosures, the tape can significantly reduce the impact of external EMI/RFI sources, ensuring the stable operation of sensitive electronic devices. In the aerospace industry, where electronic systems need to operate in a complex electromagnetic environment, single conductor copper foil tape is used to shield avionics equipment from interference.
Good Thermal Conductivity
In addition to its electrical properties, copper also has good thermal conductivity. This means that the single conductor copper foil tape can help dissipate heat generated by electronic components. In high - power electronics, such as power amplifiers or high - performance computer processors, heat management is crucial. The tape can be used to transfer heat away from the components to a heat sink or other cooling mechanisms, improving the overall thermal efficiency of the system and preventing overheating, which could otherwise lead to component failure or reduced performance.
Mechanical Flexibility
Despite being made of metal, single conductor copper foil tape can be relatively flexible, especially when the copper foil is thin. This flexibility allows it to be easily wrapped around irregular - shaped objects or bent to fit into tight spaces. In the manufacturing of flexible printed circuits, for example, the tape can be used to make electrical connections or provide shielding in areas where traditional rigid conductors would be difficult to install. It can conform to the curves and bends of the flexible substrate, ensuring continuous electrical and shielding performance.
Chemical Resistance
The adhesive and the copper foil are often treated or formulated to have a certain degree of chemical resistance. This allows the tape to maintain its integrity in environments where it may be exposed to various chemicals, such as cleaning agents used in the manufacturing process or industrial chemicals in certain applications. For instance, in chemical processing plants where electronic monitoring equipment is used, the single conductor copper foil tape in the equipment's electrical components can resist the corrosive effects of chemical vapors and liquids, ensuring long - term reliability.

Single conductor copper foil tape Application

Electronics Manufacturing
Printed Circuit Boards (PCBs): In PCB manufacturing, single conductor copper foil tape is used for a variety of purposes. It can be used to create electrical connections between different layers of the PCB, especially in high - density interconnect (HDI) boards where space is limited. It is also used to shield sensitive components on the PCB from EMI/RFI, improving the overall performance and reliability of the board.
Flexible Circuits: As mentioned earlier, in the production of flexible printed circuits, the tape is used for electrical connections and shielding. Its flexibility allows it to be integrated into the manufacturing process of flexible circuits, which are increasingly used in portable electronics, such as smartphones, smartwatches, and foldable displays.
Electrical Equipment
Grounding and Bonding: In electrical equipment, such as transformers, motors, and switchgear, single conductor copper foil tape is used for grounding and bonding purposes. It provides a reliable connection to the ground, ensuring the safety of the equipment and the people operating it. The tape's high - conductivity and strong adhesion properties make it an ideal choice for these applications.
Insulation and Protection: In some cases, the tape can be used in combination with insulating materials to provide additional protection to electrical conductors. It can help prevent short - circuits and protect the conductors from mechanical damage.
Automotive Industry
Automotive Electronics: In modern cars, there is a large number of electronic components, from the engine control unit (ECU) to the infotainment system. Single conductor copper foil tape is used to shield these components from EMI/RFI, which can be generated by the vehicle's electrical system, such as the alternator or ignition system. It also helps in grounding the components, ensuring their proper operation in the complex electrical environment of a vehicle.
Wire Harnesses: The tape can be used to wrap wire harnesses in cars. It provides both electrical shielding and mechanical protection to the wires, preventing interference between different wires in the harness and protecting them from abrasion and other forms of damage.
Aerospace and Defense
Avionics Systems: In aircraft and spacecraft, avionics systems need to be highly reliable and immune to electromagnetic interference. Single conductor copper foil tape is used extensively in these systems for shielding and grounding. It can withstand the harsh environmental conditions of aerospace applications, including high - altitude radiation, extreme temperatures, and vibrations.
Military Equipment: In military equipment, such as radar systems, communication devices, and weapon control systems, the tape is used to ensure the proper functioning of sensitive electronic components. Its ability to provide effective EMI/RFI shielding is crucial in military applications, where the integrity of electronic systems can be a matter of national security.

In summary, single conductor copper foil tape is a versatile and essential product in multiple industries. Its combination of electrical, thermal, mechanical, and chemical properties makes it suitable for a wide range of applications, from the smallest electronic components in consumer devices to the most complex systems in aerospace and defense.

Copper Foil Adhesive Tape Storage

The test conditions are at room temperature 25℃ and relative humidity 65 or below using the results of ASTMD-1000.
When the goods are stored, please keep the room dry and ventilated.
The product is mainly used to eliminate electromagnetic interference and isolate the harm of electric fall waves to the human body, mainly used in computer peripheral wire, computer wet display screens, and transformer manufacturers.
Copper foil tape is divided into single-sided laminated and double-sided laminated. Single-sided copper foil tape is divided into single-conducting copper foil tape and double-conducting copper foil tape, single-conducting copper foil tape means that the adhesive surface is not conductive, only the other side of the copper conductive, so-called single-conducting that is single-sided conductive; double-conducting copper foil tape means that the adhesive surface is conductive, and the other side of the copper itself is also conductive, so-called double-conducting that is double-sided conductive. There is also double-sided adhesive copper foil tape used and other materials processed into more expensive composite materials, double-sided adhesive copper foil adhesive surface is also divided into two kinds of conductive and non-conductive, and customers can choose according to their needs for conductivity.