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High-Performance 4-layer PCB

AIVON delivers precision-engineered 4-layer PCBs with optimized stackup design, excellent signal integrity, and superior reliability, ideal for high-speed, compact, and multi-functional electronic applications.

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High-Performance 4-layer PCB

What Is a 4-layer PCB?

A 4-layer PCB consists of four conductive copper layers laminated together, typically arranged as Signal Layer / Ground Plane / Power Plane / Signal Layer. This multilayer structure offers improved electrical performance, reduced electromagnetic interference (EMI), and enhanced routing density compared to 2-layer boards. It's widely used in complex electronic systems where stable power distribution, signal integrity, and compact design are essential. AIVON's 4-layer PCBs are engineered with precise stackup design and impedance control to ensure reliability in high-speed and high-frequency applications.

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Advantages of AIVON's 4-layer PCB

Superior Signal Integrity
Superior Signal Integrity

AIVON's 4-layer stackup separates signal and power layers, minimizing crosstalk and EMI. This ensures stable signal transmission for high-speed circuits and digital communication devices.

Compact and Efficient Design
Compact and Efficient Design

Compared with 2-layer PCBs, AIVON's 4-layer boards allow higher routing density and smaller form factors, making them ideal for space-constrained electronics.

Accurate Impedance Control
Accurate Impedance Control

Each layer stackup is carefully engineered and simulated to maintain ±10% impedance tolerance for consistent high-frequency performance.

Optimized Power & Ground Planes
Optimized Power & Ground Planes

Dedicated power and ground layers improve current return paths, reduce voltage drops, and enhance overall circuit performance, essential for complex and dense designs.

Thermal and Mechanical Stability
Thermal and Mechanical Stability

Using high-TG FR4 or hybrid materials, our 4-layer PCBs provide excellent heat resistance and structural reliability under continuous high-load operation.

Reliable Quality & Fast Turnaround
Reliable Quality & Fast Turnaround

AIVON employs automated AOI, flying probe tests, and strict process control to ensure consistent quality with rapid prototyping and scalable mass production options.

4-layer PCB Applications

4-layer PCB Stack-up Design

A 4-layer PCB stackup design provides an ideal balance between performance, space efficiency, and signal integrity. It typically consists of two signal layers and two inner planes (power and ground), allowing better control over impedance and reduced electromagnetic interference (EMI). This configuration ensures stable power distribution and minimal noise, making it suitable for high-speed or compact electronic applications such as communication devices, industrial controllers, and IoT products. At AIVON, engineers carefully design each 4-layer PCB stackup based on your circuit requirements, considering trace width, dielectric thickness, and copper weight. By optimizing layer arrangement and material selection, we enhance signal transmission and thermal management, ensuring reliable operation under demanding conditions. Whether you need prototype development or mass production, AIVON delivers consistent quality and precision for your 4-layer PCB manufacturing needs.

4-layer PCB FAQs

Q1: Why use a 4-layer PCB instead of a 2-layer PCB?
  • A1: 4-layer PCBs reduce electromagnetic interference (EMI), improve power distribution, and allow for higher circuit density — ideal for compact and high-speed electronic devices.
Q2: What is the typical thickness of a 4-layer PCB?
  • A2: The standard thickness ranges from 1.0mm to 1.6mm, depending on the dielectric material and copper thickness used.
Q3: What design considerations are important for 4-layer PCBs?
  • A3: Key factors include proper layer stackup, trace width control, grounding strategy, and differential pair design to maintain performance and minimize crosstalk.

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