12-Layer Rigid PCB with 370HR Base Material, 1.58mm Thickness, Green Solder Mask, and ENIG Finish

(All PCBs are custom-manufactured. Reference images and parameters may vary based on your design requirements.)

Hi, I’m Sally from Bicheng Technologies Limited, and I’m excited to introduce our 12-layer rigid PCB built with Isola’s 370HR laminate. This high-performance PCB is designed to meet the demands of complex multilayer applications, delivering exceptional thermal performance, reliability, and processing ease. With features like green solder mask, ENIG surface finish, and impedance control, this PCB is a versatile solution for industries such as aerospace, automotive, and networking. Join me as I walk you through its construction, features, and typical applications.

1. Overview of the 12-Layer Rigid PCB

This 12-layer rigid PCB is built for high-reliability applications that require thermal stability, impedance control, and multilayer processing compatibility. Utilizing Isola’s 370HR base material, the PCB offers a high glass transition temperature (Tg) of 180°C, superior thermal decomposition (Td) at 340°C, and CAF resistance, making it ideal for demanding electronics environments.

The board features blind vias, controlled impedance, and ENIG surface finish with 0.1µm of gold, ensuring excellent solderability and corrosion resistance. The green solder mask and white silkscreen provide a professional finish, while ensuring clear component placement.

2. PCB Construction Details

This PCB is manufactured to IPC-Class-2 quality standards and is tested for consistency and reliability across all layers.

3. Impedance Control and Stackup

PCB Stackup Details

This 12-layer PCB is structured as follows:

4. Features of Isola 370HR

The 370HR laminate and prepreg materials from Isola are widely recognized for their superior thermal reliability and mechanical performance. Here are the standout features:

• High Tg of 180°C for thermal stability.
• Low X/Y-Axis CTE (13/14ppm/°C) for reliability in demanding environments.
• CAF Resistance, ensuring long-term durability.
• UV Blocking and AOI Fluorescence, enhancing optical inspection accuracy.
• RoHS Compliant, meeting environmental standards.
• Superior Processing: Closest to traditional FR-4 processing for seamless manufacturing.

5. Applications

This 12-layer PCB is ideal for a range of advanced applications, including:

• Networking and Communications: High-speed routers, switches, and base station equipment.
• Aerospace and Defense: Radar, avionics, and satellite systems.
• Medical Electronics: Imaging devices and diagnostic equipment.
• Automotive Electronics: Advanced driver-assistance systems (ADAS) and infotainment systems.

At Bicheng Technologies Limited, we take pride in delivering PCBs that meet your exact specifications. If you have any questions or need assistance, feel free to contact me, Sally, at sales30@bichengpcb.com. Let us help you bring your designs to life!

Bicheng PCB is headquartered in Shenzhen, a city with great economic vitality. Based in China, we adhere to the philosophy of servicing small and medium sized companies offering variety of circuit boards to meet the demands of market.

We maintain the highest standards which support products that exhibit exceptional quality, performance and reliability. The circuit board ranges from conventional FR-4 to PTFE, metal core to flexible circuits which are used in the industries of home appliances, portable and consumable electronics, medical filed, aerospace as well as telecommunications etc.

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