- Base Material: FR4/CEM3/CEM1/FR1/HighTG/LF/HF/High frequency/Al base/Cu base
- Max Board Size:1L 1800*800mm;2L 1200*600mm;≧4L 1200*600mm
- Copper thickness：1-12OZ
- Min line / space: 3/3mil
- Surface treatment:HASL,OSP,ENIG,Immersion Tin,Immersion Ag,Au plating
- Lead time: 1-3 days trial order,5-7 days for normal order
- Shipment:DHL/Fedex/UPS/TNT/EMS/AIR/SEA ect,Follow customers requirements
- SMD SMT DIP Component Assembly
6 layers High Tg PCB（High Glass Transition Temperature Printed Circuit Boards） are essential for applications that demand superior thermal resistance, mechanical stability, and reliability. A 6-layer High Tg PCB offers enhanced durability, making it ideal for high-performance electronic applications in industries such as aerospace, automotive, telecommunications, and industrial automation.
[caption id="attachment_2856" align="alignnone" width="300"]
6 layers High tg PCB[/caption]
What is High Tg PCB?
Tg (Glass Transition Temperature) refers to the temperature at which a PCB substrate transitions from a rigid to a softened state. Standard PCBs typically have a Tg of around 130°C, whereas High Tg PCBs have a Tg of
170°C or higher, ensuring better heat resistance and reduced expansion at elevated temperatures.
Advantages of 6 Layers High Tg PCB
A
6-layer High Tg PCB provides numerous advantages, including:
- High Thermal Resistance: Withstands extreme temperatures, reducing the risk of board deformation.
- Enhanced Mechanical Stability: Reduces expansion and contraction under thermal stress, ensuring long-term reliability.
- Better Signal Integrity: Multiple layers allow for optimized signal routing, minimizing interference and crosstalk.
- Superior Electrical Performance: Ensures consistent functionality in high-frequency applications.
- Higher Reliability: Ideal for demanding environments such as automotive, aerospace, and industrial electronics.
Structure of a 6 Layers High Tg PCB
A
6-layer PCB consists of multiple layers of conductive copper and insulating material, offering a balance between performance and cost-efficiency. The typical structure includes:
- Top Layer (Signal Layer) – The primary layer for component placement and routing.
- Inner Layer 1 (Ground Plane) – Enhances signal integrity and reduces electromagnetic interference (EMI).
- Inner Layer 2 (Power Plane) – Distributes power efficiently throughout the PCB.
- Inner Layer 3 (Signal Layer) – Used for additional routing of critical signals.
- Inner Layer 4 (Ground Plane) – Provides additional noise reduction and stability.
- Bottom Layer (Signal Layer) – Serves as another surface for routing and component placement.
Applications of 6 Layers High Tg PCB
Due to its robust characteristics,
6-layer High Tg PCBs are widely used in:
- Aerospace and Defense: Radar systems, avionics, and mission-critical electronics.
- Automotive Electronics: Advanced driver-assistance systems (ADAS), engine control modules, and power distribution units.
- Telecommunications: Network infrastructure, RF modules, and 5G base stations.
- Medical Devices: Imaging systems, diagnostic equipment, and patient monitoring devices.
- Industrial Automation: Robotics, control systems, and high-performance computing solutions.
Choosing the Right Material for 6 Layers High Tg PCB
Selecting the appropriate material is crucial for ensuring optimal PCB performance. Commonly used high Tg materials include:
- FR4-High Tg (170°C-180°C): A cost-effective option with good thermal and mechanical properties.
- Polyimide: Offers excellent heat resistance and flexibility for extreme conditions.
- Rogers High Tg Laminates: Provides superior electrical performance for high-frequency applications.
Manufacturing Considerations for 6 Layers High Tg PCB
- Lamination Process: Multi-layer PCB fabrication requires precise lamination techniques to ensure adhesion and alignment.
- Drilling Precision: Laser drilling may be necessary for microvia formation in high-density designs.
- Copper Thickness: Depending on current-carrying requirements, copper thickness can be customized.
- Surface Finish: ENIG (Electroless Nickel Immersion Gold), HASL, or OSP coatings ensure long-term durability and solderability.
- Testing and Quality Control: Electrical testing, impedance control, and thermal cycling tests guarantee reliable performance.
Conclusion
A
6-layer High Tg PCB is an excellent choice for applications requiring superior thermal stability, electrical performance, and reliability. With its multiple layers, optimized structure, and high Tg materials, it ensures longevity and efficiency in challenging environments. Whether for automotive, aerospace, medical, or industrial applications, investing in a
6-layer High Tg PCB helps ensure durability and high performance under extreme conditions.
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