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High-Quality 6-Layer PCBs

Experience the next level of multilayer PCB manufacturing with AIVON — combining advanced materials, tight tolerances, and consistent quality for demanding electronics.

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High-Quality 6-Layer PCBs

What Is a 6 Layer PCB?

A 6-layer PCB is a type of multilayer printed circuit board that contains six conductive copper layers, usually arranged as four signal layers and two inner layers for power and ground planes. This structure provides improved signal integrity, noise reduction, and EMI control, making it ideal for high-speed and high-density electronic designs. The typical 6-layer PCB stackup follows a configuration such as Signal–Ground–Signal–Power–Signal–Signal, which allows for efficient routing and minimal interference between layers. AIVON specializes in manufacturing custom 6-layer PCBs with precise layer alignment, controlled impedance, and high-quality materials to ensure consistent electrical performance and long-term reliability.

Advantages of 6 Layer PCB

Enhanced Signal Integrity
  • The flexible sections of multilayer PCBs can be bent, folded, and routed in three dimensions to navigate around internal obstacles within electronic devices. This design capability allows engineers to maximize internal space utilization and significantly reduce overall product size. For instance, the thickness of smartphones can be reduced by up to thirty percent, enabling slimmer and more portable designs. Flexible routing also helps maintain stable signal paths and reduces the risk of interference, making it ideal for high-speed and high-frequency applications.

Higher Routing Density
  • The addition of multiple layers in multilayer PCBs provides designers with greater routing capacity within a compact board area. This allows more signals to be routed efficiently, supporting high component density and complex circuit layouts. By accommodating sophisticated designs without the need for extra interconnects, multilayer PCBs enable smaller, more efficient electronic devices while ensuring reliable connectivity across all circuits. This capability is particularly valuable in consumer electronics, automotive modules, and advanced communication devices.

Improved Power and Thermal Performance
  • Dedicated inner planes in multilayer PCBs provide uniform power distribution and reduce voltage drops across the board. The multilayer construction also enhances heat dissipation, allowing efficient thermal management even under high-current or high-frequency conditions. These features improve electrical performance and ensure the PCB operates reliably in demanding environments. Applications such as industrial control systems, automotive electronics, and aerospace equipment benefit from this enhanced power integrity and thermal stability.

Mechanical and Structural Stability
  • The multilayer configuration increases board rigidity, reducing warping and deformation during both manufacturing and operation. Enhanced mechanical strength ensures long-term durability in harsh conditions, including vibration, mechanical stress, and temperature fluctuations. Six-layer PCBs are particularly suitable for applications that demand robust performance and extended service life, such as aerospace systems, medical devices, and industrial machinery.

AIVON 6 Layer PCB Manufacturing Capabilities

Category Specification / Capability
Layer Count 6 layers
Base Material FR4, High TG FR4, Rogers, Hybrid Material
Board Thickness 0.8 mm to 3.2 mm
Copper Thickness 1 oz to 4 oz (Outer), 0.5 oz to 2 oz (Inner)
Min. Line Width / Spacing 3 mil / 3 mil
Min. Hole Size (Mechanical) 0.2 mm
Aspect Ratio Up to 10 to 1
Surface Finish Options HASL, ENIG, Immersion Silver, Immersion Tin, OSP
Solder Mask Colors Green, Blue, Black, White, Red, Yellow
Silkscreen Colors White, Black, Yellow
Max. PCB Size 600 mm × 1200 mm
Impedance Control ±10 percent
Testing Methods E Test, AOI, X ray Inspection
Certifications ISO 9001, ISO 14001, UL, RoHS, REACH

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6-layer PCB Applications

6-Layer PCB vs 4-Layer PCB: Key Differences

A 6-layer PCB and a 4-layer PCB differ primarily in complexity, performance, and application. A 6-layer PCB has two additional conductive layers compared to a 4-layer board, allowing higher routing density and supporting more complex circuit designs. The extra layers provide dedicated planes for power and ground, which improve signal integrity, reduce electromagnetic interference (EMI), and ensure stable high-speed signal transmission. In terms of power distribution and thermal management, 6-layer PCBs excel by offering uniform current delivery and better heat dissipation, making them suitable for high-frequency or high-current applications such as industrial control, aerospace, and advanced communication systems. While 4-layer PCBs still provide improved performance over 2-layer boards—offering compact layouts and moderate EMI reduction—they are more cost-effective for less complex designs. Ultimately, choosing between 4-layer and 6-layer PCBs depends on the device’s complexity, required signal performance, space constraints, and budget considerations.

6-layer PCB FAQs

Q1: Can AIVON produce impedance-controlled 6-layer PCBs?

  • A1: Yes. AIVON offers controlled impedance design and testing to ensure reliable signal transmission in high-speed circuits.

Q2: Does AIVON support quick-turn 6-layer PCB prototyping?

  • A2: Absolutely. AIVON provides fast-turn prototypes with short lead times, enabling rapid design validation and product development.

Q3: How does AIVON ensure quality in 6-layer PCB production?

  • A3: Each PCB undergoes automated optical inspection (AOI), electrical testing, and strict IPC Class 2/3 compliance to ensure high reliability and performance.

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