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In the rapidly evolving world of high-frequency electronics, materials that balance superior electrical performance, thermal stability, and manufacturability are in high demand. IT-88GMW laminates have emerged as a standout choice for designers and engineers working on cutting-edge RF/microwave systems.
In this article, we’ll discuss what really characterizes the IT-88GMW 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 circuit board, so please feel free to contact us.
What is the IT-88GMW PCB Material?
IT-88GMW laminate utilizes advanced high glass transition temperature (Tg) resin technology. This ensures the material can withstand higher operating temperatures, making it suitable for applications that require elevated temperature performance. IT-88GMW laminate offers a low dielectric constant (Dk) of less than 3.02 at 10GHz. This low Dk helps in minimizing signal distortion and maintaining signal integrity. Additionally, it has a low dissipation factor (Df) of less than 0.0013 at 10GHz, indicating minimal energy loss during signal transmission. It is a high-performance epoxy-based PCB material designed for high frequency and high speed applications.
The laminate is known for its low dielectric constant and low dissipation factor, which allows for better signal integrity and reduced signal loss in high-frequency circuits. This makes it ideal for applications such as telecommunications, data communication, and high-speed digital devices.
IT-88GMW also offers good thermal stability and reliability, making it suitable for use in demanding operating conditions. It has a high glass transition temperature and good thermal conductivity, which helps in dissipating heat and maintaining the performance of the PCB in high-temperature environments. The material is also compatible with lead-free assembly processes, making it environmentally friendly and compliant with industry regulations and standards. It offers excellent electrical and mechanical properties, making it suitable for use in advanced electronic devices and systems.
IT-88GMW PCB Material Data Sheet
Features of the IT-88GMW PCB Material
Halogen-Free RF Microwave Product
The laminate is a halogen-free laminate, meeting global environmental standards such as IEC 61249-2-21 and RoHS compliance. This makes it an eco-friendly option without compromising on performance or flame retardancy—ideal for companies focused on sustainability and regulatory compliance.
High Glass Transition Temperature (Tg)
With a Tg exceeding 180°C, this material maintains structural integrity at elevated temperatures, ensuring reliability in high-heat environments. This Tg value helps to determine the limit of temperature operation.
Low Dielectric Constant (Dk)
With a dielectric constant (3.02 @ 10 GHz), Designed for high-frequency applications, The laminate features a low Dk value, which helps minimize signal delay and distortion—crucial for maintaining performance in RF circuits, mmWave modules, and antenna arrays.
Ultra-Low Dissipation Factor (Df)
With a dissipation factor (0.0013 @ 10 GHz) translates to reduced dielectric loss, This material also offers an extremely low Df, significantly reducing energy loss and improving signal integrity. This makes IT-88GMW ideal for use in power amplifiers, microwave links, and high-speed data transmission systems.
Stable Dk/Df with Temperature
One of the key advantages of IT-88GMW is its exceptional stability of Dk and Df over a wide temperature range, ensuring consistent performance across different operating conditions—an essential feature for outdoor and aerospace applications.
Ability to Make High Layer Count Boards
IT-88GMW supports the fabrication of complex, high-layer-count boards, enabling advanced RF system integration while maintaining signal isolation and thermal management.
Ability to Use Very Low Profile Copper for Reduced Insertion Loss
The material is fully compatible with very low profile (VLP) copper foils, helping to reduce insertion loss and improve surface smoothness—especially important in millimeter-wave and high-speed RF designs.
What are the Applications of IT-88GMW PCB Material?
The laminate is combination of electrical performance and reliability makes it an ideal substrate for a variety of advanced electronic systems, including:
5G Base Stations & mmWave Applications
With the global rollout of 5G networks, especially in the mmWave frequency bands, there is increasing demand for materials with low Dk/Df and high thermal stability. IT-88GMW supports massive MIMO antennas, beamforming modules, and base station RF front-ends. Ensures high data transmission rates and low latency for next-gen wireless infrastructure.
Power Amplifiers
For RF power amplifier designs where efficiency and signal purity are critical, IT-88GMW provides minimal signal loss and superior thermal endurance, making it ideal for both commercial and industrial amplifier applications.
Satellite Antenna Systems
Satellite communication systems require materials that can maintain consistent RF performance in extreme environments. The laminate delivers the dielectric stability and reliability needed for satellite dishes, ground stations, and space-grade antennas.
Modern vehicles rely heavily on 76–81 GHz radar systems for ADAS and autonomous driving functions. IT-88GMW’s low loss and high layer count capability make it a preferred material for automotive radar modules and sensor PCBs.
Point-to-Point Microwave Links
In telecommunications, point-to-point microwave links demand materials with ultra-low signal loss and stable electrical properties. IT-88GMW supports these requirements for backhaul and private network systems.
Aerospace Applications
From avionics to navigation systems, aerospace applications require materials that combine lightweight design, high frequency performance, and environmental resilience. IT-88GMW meets these needs with its stable Dk/Df and compatibility with VLP copper.
Manufacturing and Processing Advantages of IT-88GMW PCB Material
Beyond its technical performance, IT-88GMW excels in manufacturability:
Excellent Dimensional Stability
The laminate exhibits superior dimensional stability during lamination and thermal cycling, ensuring precise alignment and trace integrity in high-frequency and multilayer board designs.
Full Prepreg Offering IT-88GMW
ITEQ provides a full range of prepreg options for IT-88GMW, allowing for seamless integration into multilayer stackups and hybrid constructions. Simplifies hybrid stack up designs by providing compatible prepregs for seamless bonding.
Highly Suitable for Hybrid Constructions
This material is highly compatible with hybrid PCB designs, where it can be combined with standard FR-4 or other high-performance materials—enabling cost-effective and performance-optimized solutions.
Environmental Friendly Materials
As a halogen-free laminate, IT-88GMW supports environmentally responsible manufacturing practices while still delivering high-performance electrical and thermal characteristics, aligning with global sustainability goals.
IT-88GMW emerges as a leading solution that balances electrical performance, thermal stability, and manufacturing flexibility. For design engineers and PCB fabricators looking to future-proof their RF and microwave products, IT-88GMW offers a compelling combination of innovation and manufacturability.
If you have any further questions, please feel free to leave a comment below or contact QFPCB by email ([email protected]).
