Shenzhen Bicheng Electronics Technology Co., Ltd
Shenzhen Bicheng Electronics Technology Co., Ltd

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370HR Laminates: A High-Performance Solution for PCB Applications

370HR Laminates: A High-Performance Solution for PCB Applications

  • 370HR Laminates: A High-Performance Solution for PCB Applications
  • 370HR Laminates: A High-Performance Solution for PCB Applications
  • 370HR Laminates: A High-Performance Solution for PCB Applications
370HR Laminates: A High-Performance Solution for PCB Applications
Product Details:
Place of Origin: CHINA
Brand Name: Bicheng Enterprise Limited
Certification: UL
Model Number: BIC-0276-V2.76
Payment & Shipping Terms:
Minimum Order Quantity: 1 PIECE
Price: USD2 .99-6.99 per piece
Packaging Details: VACUUM
Delivery Time: 8-9 WORKING DAY
Payment Terms: T/T,Paypal
Supply Ability: 50000 PIECE PER MONTH
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Detailed Product Description
Board Material: Polyimide 25µm Board Thickness: 0.15 Mm
Surface/Inner Layer Cu Thickness: 35 µm Surface Finish: Immersion Gold
Coverlay Colour: Yellow Color Of Silkscreen: White
Function: 100% Pass Electrical Test Number Of Layers: 2

In the world of multilayer Printed Circuit Board (PCB) applications, where thermal performance and reliability are paramount, Isola's 370HR laminates and prepregs have emerged as a leading choice. These products are made using a patented high-performance 180°C Tg FR-4 multifunctional epoxy resin system, offering exceptional thermal performance, mechanical strength, and resistance to various environmental factors. This article explores the features, benefits, construction details, and applications of 370HR laminates.


Isola's 370HR laminates and prepregs boast several noteworthy features that make them stand out in the market. Firstly, they are UL certified and RoHS compliant, aligning with industry standards for safety and environmental friendliness. This certification ensures that the laminates meet strict criteria for electrical, mechanical, and thermal properties, assuring high-quality performance.


One of the key advantages of 370HR laminates is their superior resistance to Conductive Anodic Filament (CAF) formation. CAF can lead to short circuits and other reliability issues in PCBs, compromising their performance and lifespan. By using high-quality E-glass glass fabric, 370HR laminates provide excellent CAF resistance, ensuring the reliability and longevity of the PCBs even in challenging environments.


The high Glass Transition Temperature (Tg) of 180°C is another notable feature of 370HR laminates. Tg refers to the temperature at which the material transitions from a rigid to a more flexible state. With a Tg of 180°C, 370HR laminates can withstand high operating temperatures, making them suitable for applications that require robust thermal performance.


Additionally, the Decomposition Temperature (Td) of 340°C further highlights the exceptional thermal stability of 370HR laminates. Td refers to the temperature at which the material starts to degrade. With a Td of 340°C, these laminates can withstand prolonged exposure to elevated temperatures, ensuring the PCB's integrity even in demanding conditions.


370HR Laminates: A High-Performance Solution for PCB Applications 0


The use of 370HR laminates provides several benefits to PCB manufacturers and end-users. As these laminates are FR-4 process compatible, they can seamlessly integrate into existing production processes. PCB manufacturers can leverage their current equipment and expertise without major modifications, saving time and costs associated with process changes.


Another advantage is the UV blocking and AOI (Automated Optical Inspection) fluorescence properties of 370HR laminates. UV blocking ensures that the laminates protect sensitive components and circuits from potentially damaging ultraviolet radiation. AOI fluorescence allows for enhanced inspection capabilities during manufacturing, enabling quick and accurate detection of any potential defects or inconsistencies.


The multiple reflow capability of 370HR laminates is another valuable benefit. This feature allows for multiple soldering cycles without compromising the integrity of the laminate. PCB manufacturers can perform rework or assembly processes with confidence, knowing that the laminates can withstand the thermal stresses associated with repeated reflow cycles.


Furthermore, 370HR laminates are compatible with High-Density Interconnect (HDI) technology. HDI enables the creation of intricate PCB designs with high circuit density, allowing for smaller form factors and improved functionality. By being HDI technology compatible, 370HR laminates offer flexibility and versatility in designing advanced PCB layouts.


Here are some potential shortcomings or limitations of 370HR laminates:


  • Cost: Compared to standard FR-4 materials, 370HR laminates may have a higher price point. The advanced composition and performance characteristics of these laminates contribute to the increased cost. PCB manufacturers should consider the specific requirements and budget constraints of their projects before opting for 370HR laminates.
  • Processing Complexity: While 370HR laminates are FR-4 process compatible, they may require additional considerations during fabrication due to their unique composition and properties. PCB manufacturers may need to fine-tune their manufacturing processes and equipment settings to achieve the desired results. This can add complexity and potentially increase production time and costs.
  • Availability: While 370HR laminates are globally available, their availability in some regions or specific quantities may be limited compared to more commonly used materials. PCB manufacturers should ensure a reliable supply chain and plan accordingly to avoid potential delays or disruptions.
  • Limited Thickness Options: The availability of different thickness options for 370HR laminates may be more limited compared to standard FR-4 materials. PCB designers may need to adapt their designs to accommodate the available options or consider alternative materials if specific thickness requirements cannot be met.
  • Surface Finish Compatibility: While 370HR laminates are compatible with immersion gold surface finish, they may have limitations with other surface finish options. PCB manufacturers should verify compatibility with their preferred surface finish to ensure proper adhesion and performance.

It is important to note that these shortcomings may vary depending on specific project requirements and the expertise of the PCB manufacturer. PCB designers and manufacturers should carefully evaluate these factors and weigh them against the benefits and performance characteristics of 370HR laminates before making a decision.



Isola's 370HR laminates and prepregs offer exceptional thermal performance, reliability, and mechanical strength for multilayer PCB applications. Their UL certification, RoHS compliance, CAF resistance, and high Glass Transition Temperature (Tg) make them a reliable choice for demanding applications in various industries.


The FR-4 process compatibility, UV blocking, multiple reflow capability, and HDI technology compatibility further enhance their appeal to PCB manufacturers. However, it's important to consider factors such as cost, processing complexity, and availability when choosing 370HR laminates for a specific project.


With worldwide availability and adherence to industry standards, 370HR laminates provide a high-performance solution that meets the thermal, mechanical, and reliability requirements of modern PCB applications. By leveraging the features and benefits of 370HR laminates, manufacturers can ensure the production of robust and reliable PCBs for a wide range of industries, including computing, consumer electronics, networking, medical, industrial, automotive, and more.

370HR Laminates: A High-Performance Solution for PCB Applications 1


Contact Details
Shenzhen Bicheng Electronics Technology Co., Ltd

Contact Person: Miss. Sally Mao

Tel: 86-755-27374847

Fax: 86-755-27374947

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