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Metal PCB Capability

Providing 1-4 layer Aluminum Base, Copper Base, and Iron Base PCB Manufacturing services.

Introduction

At SUNSOAR, we specialize in the manufacturing of metal-based PCBs, offering robust solutions for high-performance and thermal management applications. Our capabilities include:

 

Layer Options:

  • 1-4 Layer PCBs: We provide flexible solutions from single-layer to multi-layer configurations to meet diverse application requirements.

 

Material Choices:

  • Aluminum Base: Ideal for applications requiring excellent heat dissipation and mechanical stability, such as LED lighting and power electronics.

  • Copper Base: Offers superior thermal conductivity and is suitable for high-frequency circuits and power devices.

  • Iron Base: Provides unique magnetic properties for specialized applications in power electronics and automotive industries.

 

Advanced Manufacturing Techniques:

  • Thermal Management: Our metal-based PCBs are designed to efficiently manage heat, extending the lifespan and reliability of electronic components.

  • Precision Fabrication: Utilizing state-of-the-art equipment, we ensure high precision in drilling, etching, and layering, meeting stringent industry standards.

  • Surface Finishes: We offer various surface finishes, including HASL, ENIG, and OSP, to enhance performance and durability.

 

Applications:

  • LED Lighting: Aluminum base PCBs for effective thermal management and longevity.

  • Power Electronics: Copper base PCBs for high-current applications and superior thermal conductivity.

  • Automotive: Iron base PCBs for components requiring magnetic properties and robust thermal management.

 

Our commitment to quality and innovation ensures that our metal-based PCB solutions meet the highest standards of performance and reliability.

LED PCB

Advanced Metal PCB Capabilities

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1. Layer Configurations
Our metal PCB offerings include 1 to 4 layers, accommodating a wide range of design and application needs.

2. Materials

  • Aluminum Base: Ideal for lightweight, cost-effective solutions with excellent thermal management properties.

  • Copper Base: Provides superior thermal conductivity, making it suitable for high-power and high-performance applications.

  • Iron Base: Designed for specific thermal and mechanical requirements, offering durability and reliability.

3. Final Thickness

  • Range: 0.02″ – 0.18″ (0.5mm – 4.6mm)

  • Glass Transition Temperature (Tg): 130°C – 170°C

4. Surface Treatment Options

  • Lead-Based Treatments: HASL (Hot Air Solder Leveling)

  • Lead-Free Treatments:

    • Lead-Free HASL

    • ENIG (Electroless Nickel Immersion Gold)

    • OSP (Organic Solderability Preservative)

    • Immersion Silver

5. Board Dimensions

  • Minimum Size: 0.2″ x 0.2″

  • Maximum Size: 43.3″ x 19″

6. Trace Width and Clearance

  • 0.5oz Copper: Minimum trace width and clearance of 4mil

  • 1oz Copper: Minimum trace width and clearance of 5mil

  • 2oz Copper: Minimum trace width of 5mil and clearance of 7mil

  • 3oz Copper: Minimum trace width of 7mil and clearance of 8mil

  • 4oz Copper: Minimum trace width and clearance of 10mil

7. Minimum Hole Ring Sizes

  • 0.5oz Copper: 4mil

  • 1oz Copper: 5mil

  • 2oz Copper: 7mil

  • 3oz Copper: 10mil

  • 4oz Copper: 16mil

8. Copper Thickness

  • Range: 0.5oz – 4oz

9. Minimum Hole Size and Tolerance

  • Minimum Hole Size:

    • 30mil for final thicknesses of 0.5mm – 2.0mm

    • 45mil for final thicknesses of 2.0mm – 4.6mm

  • Tolerance:

    • PTH (Plated Through Hole): ±4mil

    • NPTH (Non-Plated Through Hole): ±3mil

10. Plating Thickness Specifications

  • HASL:

    • Copper Thickness: 20µm – 35µm

    • Tin Thickness: 5µm – 20µm

  • Immersion Gold:

    • Nickel: 100µin – 200µin

    • Gold: 2µin – 4µin

  • Hard Gold Plating:

    • Nickel: 100µin – 200µin

    • Gold: 4µin – 8µin

  • Golden Finger:

    • Nickel: 100µin – 200µin

    • Gold: 5µin – 15µin

  • Immersion Silver: 6µin – 12µin

  • OSP (Organic Solderability Preservative): Film Thickness 8µin – 20µin

11. Solder Mask Colors

  • Glossy Finishes: Green, Black, Red, Yellow, White, Purple, Blue

  • Matt Finishes: Green, Black

12. Solder Mask Resolution

  • Thickness: 0.2mil – 1.6mil

  • Solder Dam Specifications: Green 4mil; Other Colors 5mil

  • Solder Mask Hole Plug Diameter: 10mil – 25mil

13. Silk Screen Colors

  • Available Colors: White, Black

14. Silk Screen Dimensions

  • Minimum Width: 5mil

  • Height: 24mil

15. Testing Voltage

  • Testing Fixture: 50V – 300V

  • Flying Probe: 30V – 250V

16. Profile Tolerances

  • CNC Tolerance: ±5mil

  • V-Cut Tolerance: ±5mil

  • Slot Minimum Size: 40mil

  • Angle Tolerance: 15°, 20°, 30°, 45°, 60°

17. Bow and Twist Tolerance

  • Maximum Allowable: ≤1%

18. Compliance Standards

  • IPC Class 2

  • IPC Class 3

  • ISO9000

 

Our advanced metal PCB capabilities ensure high-quality production and exceptional performance for a range of applications. By adhering to stringent specifications and utilizing top-grade materials and processes, we provide reliable and durable solutions tailored to meet the demands of modern electronic designs.

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