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Arlon 35N PCB Laminate

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Arlon 35N PCB Laminate

Arlon 35N PCB laminate is a high-performance material widely used in the electronics industry for manufacturing printed circuit boards (PCBs). This advanced laminate offers exceptional thermal stability, excellent electrical properties, and outstanding mechanical strength, making it an ideal choice for demanding applications. In this article, we will explore the key features and benefits of Arlon 35N PCB laminate, highlighting its significance in modern electronic devices.

What is Arlon 35N PCB Laminate Materials?

Arlon 35N is actually a type of PCB laminate material manufactured by Arlon Electronic Materials Division. PCB laminate materials are used in the production of printed circuit boards (PCBs), which are essential components in electronic devices.

Arlon 35N is a high-performance woven glass-reinforced laminate designed specifically for demanding applications in the electronics industry. It offers excellent electrical properties, thermal stability, and mechanical strength, making it suitable for a wide range of PCB applications.

What Materials make of Arlon 35N PCB Laminate?

Arlon 35N PCB laminate is primarily composed of a substrate material reinforced with woven glass fabric and impregnated with a thermosetting epoxy resin system. The key materials that make up Arlon 35N are as follows:

1. Substrate Material:

The substrate material used in Arlon 35N is typically a woven glass fabric. The glass fabric provides mechanical strength and dimensional stability to the laminate. It serves as a reinforcement for the resin system and helps maintain the overall structural integrity of the PCB.

2. Thermosetting Epoxy Resin:

The substrate material in Arlon 35N is impregnated with a thermosetting epoxy resin system. This resin system provides excellent electrical insulation properties and adhesion between the layers of the laminate. It undergoes a curing process during manufacturing, transforming from a liquid to a solid state, resulting in a durable and stable material.

3. Copper Foil:

Arlon 35N laminate often features copper foil layers that are bonded to the substrate material. Copper foil is used to create circuitry and provide electrical conductivity within the PCB. The copper foil is typically laminated onto the substrate material using heat and pressure during the manufacturing process.

4. Prepreg:

Prepreg, short for pre-impregnated resin, is a resin-impregnated fiberglass material used in Arlon 35N laminate. Prepreg layers are typically placed between the copper foil layers to provide insulation and help build the overall thickness of the laminate. The prepreg layers also contribute to the mechanical strength and stability of the PCB.

These materials work together to form Arlon 35N PCB laminate, offering a combination of excellent electrical properties, thermal performance, and mechanical strength. The specific composition and thickness of the materials may vary depending on the manufacturer and desired specifications of the laminate. It’s important to consult the manufacturer’s technical datasheets and specifications for detailed information on the materials used in Arlon 35N PCB laminate.

Arlon 35N Properties and Specifications

Some key features of Arlon 35N PCB laminate materials include:

High Thermal Performance: Arlon 35N exhibits excellent thermal conductivity, allowing for efficient heat dissipation. This makes it suitable for applications that require effective thermal management, such as power amplifiers or high-power circuits.

Low Loss Tangent: The low loss tangent of Arlon 35N ensures minimal signal loss and distortion, making it ideal for high-frequency applications where signal integrity is critical, such as RF and microwave circuits.

High Tg (Glass Transition Temperature): Arlon 35N has a high glass transition temperature, indicating its ability to withstand elevated temperatures without significant degradation of its mechanical and electrical properties. This makes it suitable for applications that involve high-temperature environments or processes.

Excellent Dimensional Stability: The woven glass reinforcement in Arlon 35N provides excellent dimensional stability, ensuring consistent performance over a wide range of operating conditions and preventing warping or distortion of the PCB.

Good Chemical Resistance: Arlon 35N exhibits resistance to various chemicals, making it suitable for applications that may involve exposure to corrosive substances or harsh environments.

Arlon 35N Product Specifications

Part Number35N
ManufacturerArlon EMD
General Parameters
Tg250 Degree C
Frequency0.1 to 1 GHz
Lead FreeYES
Arc resistance165 Sec
Electrical strength1400 (55.9) kV/mm (V/mil)
FlamibilityV-1 class
Industry applicationIndustrial, Aerospace and defence,Automative
Peel strength6.0 (1.1), 6.3 (1.1) N/mm (lb/inch)
Size305 x 457, 406 x 457, 457 x 610 mm
Surface resistivity5.0 x 10^8, 3.7 x 10^8 Mohm-cm
Thermal conductivity0.2 W/mK
Volume resistivity1.5 x 10^8, 1.2 x 10^8 Mohm-cm
Water absorption0.0026

Overall, Arlon 35N PCB laminate materials offer a reliable and high-performance solution for electronic applications that require exceptional thermal management, signal integrity, and dimensional stability. These materials contribute to the production of high-quality and durable PCBs used in diverse industries such as telecommunications, aerospace, automotive, and consumer electronics.

Applications of Arlon 35N

Arlon 35N PCB laminate finds applications in various industries and electronic devices where high-performance and reliable circuitry is required. Here are some common applications of Arlon 35N:

1. High-Frequency and RF Circuits:

Arlon 35N is well-suited for applications involving high-frequency signals, such as RF amplifiers, antennas, radar systems, and telecommunications equipment. Its low loss tangent and excellent electrical properties make it ideal for maintaining signal integrity and minimizing signal loss in these applications.

2. Power Amplifiers and High-Power Applications:

Due to its high thermal conductivity and excellent thermal stability, Arlon 35N is used in power amplifier circuits and other high-power applications. It helps to dissipate heat effectively, ensuring reliable performance even in demanding environments with elevated power levels and associated heat generation.

3. Aerospace and Defense Electronics:

The aerospace and defense industries often require PCB materials that can withstand harsh environmental conditions, including high temperatures, moisture, and chemical exposure. Arlon 35N is suitable for aerospace and defense applications such as avionics, satellite systems, radar equipment, and military communications due to its exceptional thermal and mechanical properties.

4. Automotive Electronics:

With the increasing complexity of automotive electronics, Arlon 35N is used in automotive applications such as engine control units (ECUs), sensors, infotainment systems, and advanced driver assistance systems (ADAS). Its high thermal performance and dimensional stability make it suitable for the challenging thermal and mechanical conditions found in automotive environments.

5. Industrial Electronics:

Arlon 35N is utilized in various industrial applications, including power electronics, motor control systems, industrial automation, and robotics. Its ability to handle high temperatures, maintain dimensional stability, and provide excellent electrical performance makes it well-suited for industrial environments with demanding operating conditions.

6. Consumer Electronics:

In consumer electronics, Arlon 35N is employed in devices requiring high-speed signal transmission, such as smartphones, tablets, wearable devices, and high-speed data communication systems. Its low loss tangent and reliable electrical characteristics contribute to signal integrity, ensuring efficient data transfer and minimizing signal degradation.

These are just a few examples of the diverse range of applications where Arlon 35N PCB laminate is commonly utilized. Its excellent thermal performance, electrical properties, and mechanical strength make it an ideal choice for demanding electronic applications across multiple industries.

Key Considerations for Selecting Arlon 35N PCB Material

When selecting the appropriate PCB material, several factors should be taken into consideration to ensure that Arlon 35N meets the specific requirements of your project:

1. Thermal Performance:

Thermal considerations are crucial when evaluating Arlon 35N for your PCB application. It is important to assess the thermal properties of this material to ensure they align with the thermal demands of your project. Carefully analyze the thermal environment in which the PCB will operate to guarantee optimal performance.

2. Environmental Considerations:

Environmental friendliness is a significant factor to contemplate when opting for Arlon 35N. This material is designed to be environmentally safe, making it an ideal choice for sustainable PCB manufacturing. Notably, Arlon 35N eliminates the use of halogen or lead components, further contributing to its eco-friendly characteristics.

3. Cost-effectiveness:

Arlon 35N is a cost-effective polyimide material, offering a favorable balance between performance and cost. Comparatively, it provides a superior alternative to other polyimide laminates available in the market. By choosing Arlon 35N, you can achieve the desired performance while optimizing your project’s budgetary considerations.

Careful consideration of these factors ensures that Arlon 35N PCB material aligns with your specific needs. By assessing thermal performance, environmental friendliness, and cost-effectiveness, you can confidently select Arlon 35N as the ideal material for your PCB engineering project.

Manufacturing and Processing Considerations For Arlon N35 Laminate

When it comes to manufacturing and processing Arlon N35 laminate, there are several key considerations to keep in mind. These factors ensure proper handling, compatibility with standard PCB manufacturing processes, and optimal performance. Here are some important manufacturing and processing considerations for Arlon N35 laminate:

1. Material Handling and Storage:

Handle Arlon N35 laminate with care to avoid damage or contamination. Store the material in a controlled environment to maintain its properties and prevent moisture absorption. Follow the manufacturer’s guidelines for proper handling, storage temperature, and shelf life.

2. Fabrication Techniques:

Arlon N35 can be processed using standard PCB fabrication techniques. These may include processes such as cutting, drilling, routing, and scoring. Follow industry best practices and consult with the manufacturer for specific guidelines on processing Arlon N35.

3. Etching:

Arlon N35 can be etched using standard etching processes. Ensure proper etchant selection and process parameters to achieve precise and accurate circuit patterns while maintaining the integrity of the laminate.

4. Plating:

Arlon N35 is compatible with common plating processes used in PCB manufacturing, such as electroless copper deposition and electrolytic plating. Follow the recommended plating parameters, including temperature, time, and current density, to achieve reliable copper adhesion and uniform plating thickness.

5. Drilling:

When drilling Arlon N35 laminate, use appropriate drill bits and machining parameters to ensure clean and accurate holes without causing delamination or excessive heat buildup. Consider using carbide or diamond-coated drill bits for improved tool life and reduced friction.

6. Soldering:

Arlon N35 laminate is compatible with both leaded and lead-free soldering processes. Ensure proper solder mask application and adequate thermal management during soldering to prevent warping, delamination, or thermal stress-induced failures.

7. Surface Finishes:

Consider the selection of surface finishes compatible with Arlon N35 laminate. Common surface finishes include HASL (Hot Air Solder Leveling), ENIG (Electroless Nickel Immersion Gold), OSP (Organic Solderability Preservative), and immersion tin. Consult with the manufacturer for recommendations based on your specific application requirements.

8. Testing and Quality Control:

Implement thorough testing and quality control measures during manufacturing to ensure the integrity and reliability of the Arlon N35 laminate. Perform electrical tests, such as continuity checks, impedance measurements, and insulation resistance tests, to verify the performance of the finished PCBs.

In conclusion

Arlon 35N PCB laminate is a superior material that plays a crucial role in the manufacturing of high-quality printed circuit boards. With its exceptional thermal stability, excellent electrical properties, and outstanding mechanical strength, it meets the stringent requirements of modern electronic devices. The use of Arlon 35N PCB laminate ensures reliable performance, improved signal integrity, and enhanced durability of electronic products.

As the electronics industry continues to advance, the demand for reliable and high-performance PCB materials like Arlon 35N will only grow. With its proven track record and numerous benefits, Arlon 35N PCB laminate is poised to remain a preferred choice for PCB manufacturers in various industries.

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