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🔶 Application of Multilayer Boards
Multilayer PCBs are widely applied in various high-end and complex electronic products due to their higher circuit density, better signal integrity, and smaller size.
Medical Equipment
Advanced medical equipment requires multilayer PCBs to support precise and complex functions. These applications include MRI machines, CT scanners, heartbeat sensors, pH meters, X-ray systems, and blood pressure monitors, where stability, miniaturization, and reliability are critical.
Consumer Electronics
High-end consumer electronics such as smartphones, tablets, and wearable devices utilize multilayer PCBs, especially HDI boards, to integrate numerous functions within a compact design. These boards ensure high performance while reducing the device size and improving power efficiency.
Engineering and Industrial Equipment
Manufacturing equipment often relies on multilayer PCBs to support high-current circuits and multi-functional control systems. Applications include servo motor drives, textile machinery, lead-acid battery chargers, and automation control units, which demand reliable signal transmission and heat management.
Automotive and Aerospace
Multilayer flexible PCBs are essential in automotive and aerospace systems for their lightweight, bendable properties and ability to withstand vibration. They are used in dashboards, engine control units, radar systems, navigation, and communication modules—especially where space is constrained and reliability is paramount.
🔶 How to Select Multilayer Boards
Multilayer PCBs are technically more advanced and complex compared to standard PCBs. Therefore:
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Qualified Manufacturers Required: Only manufacturers with advanced capabilities and certifications can produce multilayer boards. These factories often feature large-scale facilities, modern equipment, and mature process control systems.
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Supplier Selection: When selecting a PCB supplier for multilayer applications, it’s essential to:
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Understand the product’s application scenario, functional demand, and required number of layers.
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Match with factories that specialize in multilayer and HDI PCBs.
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Go beyond price comparison — consider factory qualifications, technical expertise, and reliability.
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Leverage EQ (Engineering Questions) responses to assess the factory’s professional competence and capability.
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🔶 Technical Specifications
| Layer Count | Standard: 4–16 layers Advanced: up to 24 layers Prototype: up to 30 layers |
| Certification & Quality | Built to IPC-6012 Class 2 standards UL approved for safety and quality DFM checks by experienced CAM engineers |
| Technology Highlights | Multilayer epoxy glass fiber boards laminated with copper layers of various thicknesses Advanced stackups for signal integrity and power distribution |
| Materials | High-performance FR4 Halogen-free FR4 Low loss / Low Dk materials |
| Copper Weights | 0.5 oz – 6 oz (signal and power layers) |
| Precision Capabilities | Minimum track and gap: 0.075 mm / 0.075 mm Minimum mechanical drill: 0.15 mm |
| Board Thickness | 0.40 mm – 7.0 mm |
| Maximum Board Size | 580 mm × 650 mm |
| Surface Finishes | HASL (SnPb) Lead-Free HASL (SnNiCu) OSP ENIG Immersion Tin Immersion Silver Electrolytic Gold Gold Fingers |
| Additional Options | Edge plating Gold fingers / edge fingers Other advanced processing features |
Our rigid PCBs combine quality materials, precise engineering, and extensive customization options to meet the demands of complex and high-reliability electronic systems.