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Ventec VT-47

Jarnistech > Ventec PCB > Ventec VT-47
Ventec VT-47 PCB Board

Ventec VT-47 PCB materials are at the forefront of advanced laminate technology, offering exceptional performance and reliability for a wide range of applications. With its unique composition and specialized features, VT-47 sets itself apart from common FR4 laminates, delivering enhanced thermal stability, high-temperature resilience, and superior signal integrity. This article explores the key attributes of Ventec VT-47 PCB materials, highlighting their impact on various industries and underscoring their role in driving innovation and reliability in modern electronics.

Definition of Ventec Vt47

The Ventec Vt47 laminate is extensively utilized in the fabrication process of printed circuit boards (PCBs). It finds widespread application in single-sided, double-sided, and multilayer PCBs. The thickness of this laminate ranges from .002 to .200 inches, while the copper foil options vary from ¼ oz to 12 oz. Due to its versatile properties, the Ventec Vt47 laminate is a highly suitable option for various types of circuit boards.

Specifically designed for the production of double-sided and multilayer boards, the Ventec Vt47 laminate exhibits a medium-high glass transition temperature (Tg). This high-quality PCB laminate offers excellent loss characteristics, making it well-suited to meet the demands of a wide range of applications. By selecting the Ventec Vt47 laminate, one can benefit from its numerous PCB certifications, including ISO certification and RoHS certification, ensuring compliance with industry standards.

Notably, the Ventec Vt47 PCB laminate features a low profile design, which incorporates reverse treated copper. The glass transition temperature (Tg) of the Ventec Vt47 PCB material is 180 degrees Celsius, indicating its ability to withstand elevated temperatures commonly encountered during PCB manufacturing processes.

Feature of Ventec VT-47

The Ventec VT-47 laminates offer several notable features and characteristics:

1.High Tg FR-4:

These laminates have a high glass transition temperature (Tg) of 180°C. This high Tg value indicates their ability to withstand elevated temperatures during PCB assembly and operation, ensuring reliable performance even under demanding conditions.

2.Phenolic Cured System:

The VT-47 laminates utilize a phenolic cured system, which enhances their thermal stability and overall reliability. This curing process contributes to the laminate’s ability to withstand temperature variations and ensures consistent performance over time.

3.Excellent Thermal Reliability:

The VT-47 laminates exhibit excellent thermal reliability, making them suitable for applications that involve high-temperature environments or thermal cycling. This feature helps prevent delamination, warping, or other thermal-related issues that can affect the performance and longevity of the PCB.

4.CAF Resistance:

CAF (Conductive Anodic Filament) is a common reliability issue in PCBs, where conductive pathways can develop within the laminate material, leading to electrical failures. The VT-47 laminates are designed with specific materials and construction techniques to resist CAF formation, ensuring the long-term integrity of the circuitry.

5.UV Blocking:

The VT-47 laminates offer UV blocking properties, which protect the underlying circuitry from the potentially harmful effects of ultraviolet radiation. This feature is particularly beneficial for outdoor or high-exposure applications, where UV radiation can degrade the performance and reliability of the PCB.

6.Laser Fluorescing:

The VT-47 laminates possess laser fluorescing properties, making them suitable for applications where laser-based processes are involved. This feature enables accurate and efficient laser drilling, cutting, or marking on the laminate surface during PCB fabrication.

7.Low CTE:

CTE stands for Coefficient of Thermal Expansion, which measures how a material expands or contracts with changes in temperature. The VT-47 laminates have a low CTE, meaning they exhibit minimal dimensional changes with temperature fluctuations. This characteristic helps maintain the structural integrity of the PCB, reducing the risk of stress-induced failures.

Overall, the Ventec VT-47 laminates offer a range of features that contribute to their reliability, thermal stability, and performance in various PCB applications.

Challenges and Disadvantages when Use Ventec VT-47 in PCB Manufacturing?

While Ventec VT-47 PCB materials offer numerous advantages and superior performance, there are also some challenges and potential disadvantages associated with their use in PCB manufacturing. It is important to be aware of these aspects to make informed decisions. Here are some challenges and disadvantages to consider:

1. Cost: Ventec VT-47 laminates are generally more expensive compared to common FR4 laminates. The specialized composition and enhanced performance characteristics contribute to higher production costs, which can impact the overall cost of PCB manufacturing. This cost factor needs to be carefully evaluated against the specific requirements and benefits of using VT-47 laminates.

2. Availability: VT-47 laminates may not be as readily available as common FR4 laminates. The supply chain and distribution network for specialized laminates like VT-47 could be more limited, which may lead to longer lead times or potential challenges in sourcing the materials in some regions.

3. Processing Challenges: The unique composition and properties of VT-47 laminates may introduce certain processing challenges during PCB manufacturing. For example, the higher Tg of VT-47 may require adjustments in the fabrication process, such as higher temperature profiles for lamination and soldering. Manufacturers need to ensure their production processes are optimized to accommodate the specific requirements of VT-47 laminates.

4. Compatibility: VT-47 laminates may have different compatibility considerations compared to common FR4 laminates. It is essential to verify the compatibility of VT-47 laminates with other materials and processes involved in PCB manufacturing, such as solder masks, surface finishes, and assembly techniques. Compatibility issues could impact the overall performance and reliability of the final PCB.

5. Design Considerations: The specialized properties of VT-47 laminates may require careful consideration during PCB design. Factors such as thermal management, impedance control, and signal integrity need to be addressed to fully leverage the benefits of VT-47 laminates. Designers may need to adapt their design practices or seek additional expertise to optimize the layout and stack-up for VT-47 laminates.

By understanding and addressing these challenges and potential disadvantages, manufacturers can effectively harness the benefits of Ventec VT-47 PCB materials while mitigating any associated drawbacks. Proper evaluation, collaboration with suppliers, and adherence to best practices in PCB manufacturing can help overcome these challenges and maximize the advantages of using VT-47 laminates.

Ventec Vt-47 Vs Common FR4

The Ventec VT47 laminate and common FR4 laminates both fall under the category of PCB materials, but they have some differences in their composition, properties, and performance characteristics. Here are some key differences between Ventec VT47 and a common FR4:

1. Glass Transition Temperature (Tg): One of the notable differences is the Tg value. The VT47 laminate is specifically designed to have a higher glass transition temperature (Tg) of 180°C, compared to the typical Tg range of around 130-150°C for common FR4 laminates. The higher Tg of VT47 provides improved thermal stability and allows it to withstand higher operating temperatures.

2. Construction and Material Composition: While both VT47 and common FR4 laminates use a phenolic cured system, the specific materials and construction techniques may vary. Ventec may use proprietary formulations and manufacturing processes to enhance certain properties of the VT47 laminate, such as thermal reliability, CAF resistance, and UV blocking.

3. Thermal Performance: Due to the higher Tg and specialized construction, the VT47 laminate generally offers superior thermal performance compared to common FR4 laminates. It exhibits excellent thermal reliability, making it suitable for applications that involve high-temperature environments or thermal cycling.

4. Certification and Compliance: Ventec VT47 laminate often comes with industry certifications such as ISO certification and RoHS compliance, ensuring adherence to quality and environmental standards. While common FR4 laminates may also meet these certifications, the specific certifications can vary depending on the manufacturer and product line.

5. Specific Applications: The VT47 laminate is often chosen for applications that require higher performance and reliability, such as in high-speed digital circuits, high-frequency applications, or in environments with demanding thermal conditions. Common FR4 laminates, on the other hand, are widely used in a broad range of PCB applications, including consumer electronics, automotive, industrial control, and more.

It is important to note that the specific properties and performance characteristics of Ventec VT47 and common FR4 laminates can vary between different manufacturers and product lines.

Applications of Ventec VT-47

The Ventec VT-47 PCB materials find applications in various industries and products, including:

1. Computer: VT-47 laminates are well-suited for computer applications, such as motherboards, graphics cards, and storage devices. These laminates provide the necessary reliability and thermal performance required in high-performance computing systems.

2. Communication Equipment: VT-47 laminates are commonly used in communication equipment, including routers, switches, modems, and telecommunication infrastructure. They offer excellent signal integrity, thermal stability, and reliability necessary for efficient data transmission and communication.

3. Instrumentation: VT-47 laminates are suitable for instrumentation applications, such as test and measurement equipment, oscilloscopes, data acquisition systems, and industrial control systems. These laminates provide the required stability, precision, and durability for accurate measurement and control functions.

4.Precise Apparatus & Instrument: VT-47 laminates are utilized in various precise apparatus and instruments that require high reliability and performance. This includes equipment such as analytical instruments, scientific instruments, precision measurement devices, and laboratory equipment.

5. Server, Router: VT-47 laminates are commonly employed in server and router applications, providing the necessary stability, thermal management, and signal integrity required for efficient data processing, networking, and connectivity.

6. Automotive: VT-47 laminates find applications in the automotive industry, particularly in electronic control units (ECUs), automotive sensors, infotainment systems, and other electronic components. These laminates offer excellent thermal reliability, vibration resistance, and durability required in automotive environments.

7. Medical: VT-47 laminates are used in medical devices and equipment, including patient monitoring systems, diagnostic equipment, imaging devices, and medical instrumentation. They provide the necessary performance, reliability, and compliance with medical standards for critical healthcare applications.

These are just a few examples of the wide range of applications where Ventec VT-47 PCB materials are utilized. The versatility, reliability, and performance characteristics of these laminates make them suitable for various industries and products requiring high-quality printed circuit boards.

Availability of Ventec VT-47

The Ventec VT-47 laminates are available in a range of options to meet different requirements:


The laminate thickness options for VT-47 range from .002″ to .200″. This allows for flexibility in choosing the appropriate thickness based on the specific application and design requirements.

2.Copper Foil:

Ventec offers VT-47 laminates with copper foil options ranging from 1/4 oz to 12 oz. This allows for variations in copper weight depending on the desired electrical conductivity and thermal management needs of the PCB.

3.Copper Foil Treatment:

Ventec provides the choice between reverse treated (RT) or double-sided treated copper foil for VT-47 laminates. For cores with a thickness of ≤.005″, it is recommended to use the reverse treated copper due to its low profile. It is important to note that the peel strength for RT foil is slightly lower (1-2 lbs/in or 0.35 Kg/m) compared to standard foil.

4.Pre-preg Options:

VT-47 laminates are available with VT-47PP pre-pregs, which are offered in various E-Glass styles. Some of the available E-Glass styles include 7628, 7629, 1506, 1500, 2113, 2313, 3313, 2116, 1080, 1086, 1078, 106, and 1067. These different styles offer specific characteristics such as weave patterns, resin content, and dielectric properties, allowing for customization based on the specific performance and manufacturing requirements.

Overall, the availability of different laminate thicknesses, copper foil weights, and pre-preg options provides designers and manufacturers with choices to meet their specific needs and achieve optimal performance in their PCB designs.

Storage Condition & Retest Time of VT-47 laminates

The storage conditions and retest time for VT-47 laminates should be handled in accordance with industry best practices and the manufacturer’s recommendations. However, as a general guideline, here are some considerations:

Storage Conditions:

1. Temperature: VT-47 laminates should be stored in a controlled environment with a temperature range typically recommended between 10°C (50°F) and 30°C (86°F).

2. Humidity: The relative humidity in the storage area should be maintained within a range of 40% to 60%. Avoid extreme humidity conditions as they can affect the performance and integrity of the laminates.

3. Protection: The laminates should be stored in their original packaging or in moisture-resistant bags to prevent moisture absorption and exposure to contaminants.

Retest Time:

1. Shelf Life: VT-47 laminates have a specified shelf life, which is typically mentioned by the manufacturer. It is important to adhere to this shelf life to ensure the optimal performance of the laminates. Shelf life is determined based on factors such as the storage conditions, material composition, and manufacturer’s recommendations.

2.Retest Frequency: If the laminates exceed their specified shelf life, it is recommended to retest them before use. The retest frequency depends on the specific requirements of the application, the environmental conditions, and the criticality of the PCB performance.


Ventec VT-47 PCB materials have revolutionized the landscape of high-performance laminates, empowering industries with reliable and cutting-edge solutions. With its elevated glass transition temperature, exceptional thermal reliability, CAF resistance, and UV blocking properties, VT-47 paves the way for robust PCB designs in sectors ranging from automotive and communications to medical and computing.

As we continue to push the boundaries of technological advancement, Ventec VT-47 stands as a testament to the relentless pursuit of excellence in PCB materials, ensuring the reliability and performance demanded by today’s dynamic and demanding applications.

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