This product is made from a polytetrafluoroethylene resin material that’s really great at handling microwaves and high temperatures. It’s mixed with ceramics to boost its performance. One cool thing is that it doesn’t have any fiberglass cloth, which can sometimes cause issues. Instead, we fine-tune the dielectric constant by adjusting the balance between the ceramics and the resin. Plus, it’s made using a special production process that ensures it has top-notch dielectric properties and is super reliable.
In this article, we’ll discuss what really characterizes the high frequency TF-1 (2) PTFE laminates. The relevant information is available for pcb design engineers to refer to in the selection of materials, And you can also call QFPCB to discuss. QFPCB offers the best services when it comes to the high frequency print circuit board, so please feel free to contact us.
What is The TF-1 (2) PTFE Laminates?
This product is made from a high-performance material that combines polytetrafluoroethylene (PTFE) resin with ceramic compounds. The PTFE resin, renowned for its exceptional resistance to microwave energy and extreme temperatures, forms the base of this composite material. Unlike some similar products, this material does not incorporate fiberglass cloth, which can sometimes affect electrical properties or mechanical stability. Instead, the dielectric constant of the material is finely tuned by carefully adjusting the proportion of ceramics to PTFE resin. This precise control over the dielectric constant allows the material to be tailored for specific applications requiring particular electromagnetic characteristics.
The manufacturing process used to produce this material is specialized and proprietary, ensuring consistent quality and performance across all batches. As a result, the material exhibits outstanding dielectric properties, including low loss tangent and high insulation resistance, making it ideal for use in high-frequency applications such as telecommunications, radar systems, and other advanced electronic devices. Additionally, its high reliability under various environmental conditions makes it suitable for demanding industrial and military applications.
To further enhance its versatility, the material is available in different configurations based on copper coating requirements. The designation “TF” refers to the base material without any copper coating, providing a smooth surface that is ideal for applications where bare substrate properties are preferred. “TF-1” indicates a version of the material with a single-sided copper coating, which is often used in scenarios where one side requires electrical conductivity while the other remains uncoated. Finally, “TF-2” represents materials with double-sided copper coatings, offering enhanced electrical connectivity on both surfaces. This configuration is particularly useful in multilayer circuit designs or when creating complex interconnect structures. Each variant maintains the core advantages of the material while catering to diverse application needs.
TF-1 (2) PTFE Laminates Data Sheet
Features of The TF-1 (2) PTFE Laminates
● The dielectric constant ranges from 3 to 16 and is stable. Commonly used dielectric constants include 3.0, 6.0, 9.2, 9.6, 10.2, and 16; Low dielectric loss.
● Used for microwave and millimeter wave printed circuit production.
● The long-term working temperature is higher than TP material, and can be used for a long time within the range of -80 ℃ to+200 ℃.
● Choose a thickness between 0.635 and 2.5mm.
● Anti irradiation, low exhaust.
● The circuit board is easy to process and can be processed using thermoplastic materials.
TF-1 (2) PTFE Laminates Standard Copper Clad And Core Thickness
The density and thermal conductivity data of materials with different dielectric constants are as follows:
1). The dielectric constant (typical value) is tested in the Z direction of the material, and the stripline method (GB/T 12636-1990 or IPC-TM650 2.5.5.5) is used;
2). Other performance tests shall be conducted using or referring to the test methods specified in IPC-TM-650 or GBT4722-2017;
3). All test data are typical measurement data and are intended to assist customers in material selection. It is not intended and does not constitute any express or implied warranty, nor does it guarantee that customers will achieve all the performance specified in the data sheet in specific situations. Customers are responsible for verifying and determining the adaptability of Wangling materials in each application.
Conclusion
This series of laminates is a composite of microwave and temperature-resistant PTFE resin material and ceramics. It does not contain fiberglass cloth. The dielectric constant is precisely adjusted by adjusting the ratio between ceramics and PTFE resin. These TF high frequency PCBs are used in all kinds of microwave and millimeter-wave applications, like radar sensors, antennas, transceivers, modulators, multiplexers, and even power supply equipment and automatic control systems.
