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F4BM220 PCB weith Double-Sided 1oz or Hoz copper weight 6.0mm Thick and ENIG surface finished

Shenzhen Bicheng Electronics Technology Co., Ltd
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F4BM220 PCB weith Double-Sided 1oz or Hoz copper weight 6.0mm Thick and ENIG surface finished

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Brand Name : F4B

Model Number : F4BM220

Certification : ISO9001

Place of Origin : China

MOQ : 1PCS

Price : 0.99-99USD/PCS

Payment Terms : T/T, Paypal

Delivery Time : 2-10 working days

Packaging Details : Packing

Board Material : Polyimide (PI) 25 um

Silkscreen Color : White

Platform : Web-based

Customer Support : 24/7 customer support

Lead Time : 5-7 days

Product Copper Thickness : 0.5-6.0oz

Package : Carton box

Min. Hole Size : 0.2 mm

Final Foil External : 1 oz

Test : 100% electrical test prior shipment

Product Thickness : 0.2-6.0mm

Impedance Control : No

Glass Epoxy : F4BM220

Board Thickness : 6.1mm

Shipping Method : DHL/FedEx/UPS

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F4BM220 PCB weith Double-Sided 1oz or Hoz copper weight 6.0mm Thick ENIG

I’m here to introduce one of our high-performance PCB products: the double-sided PCB with F4BM220 base material. Designed for microwave, RF, and radar applications, this PCB delivers exceptional electrical performance, dimensional stability, and low dielectric loss. Its 6.1mm thickness, 10/10 mil trace/space, and immersion gold surface finish make it an excellent choice for high-frequency electronic systems.

1. Overview of the Double-Sided PCB

This double-sided PCB uses the advanced F4BM220 laminate, a material known for its low dissipation factor and precisely controlled dielectric constant. With a 6.0mm F4BM220 core and 1oz copper weight on both outer layers, this PCB is optimized for high-frequency designs that demand stable and reliable performance.

The immersion gold surface finish ensures excellent solderability and corrosion resistance, while the absence of solder masks and silkscreens allows for maximum focus on signal integrity. Manufactured to IPC-Class-2 standards, this PCB undergoes 100% electrical testing for quality assurance.

2. PCB Construction Details

Parameter Specification
Base Material F4BM220
Layer Count Double-sided
Board Dimensions 90mm x 90mm ± 0.15mm
Minimum Trace/Space 10/10 mils
Minimum Hole Size 0.7mm
Finished Board Thickness 6.1mm
Finished Copper Weight 1oz (1.4 mils) outer layers
Via Plating Thickness 20 μm
Surface Finish Immersion Gold
Top Solder Mask None
Bottom Solder Mask None
Top Silkscreen None
Bottom Silkscreen None
Electrical Testing 100% tested

3. PCB Stackup

Layer Material Thickness
Copper Layer 1 Copper (1oz) 35 μm
Core Material F4BM220 6.0mm
Copper Layer 2 Copper (1oz) 35 μm

4. Features of F4BM220

The F4BM220 laminate, manufactured by Wangling, is an advanced material made from fiberglass cloth, polytetrafluoroethylene resin, and film. Its unique composition makes it ideal for high-frequency electronic systems.

Below are its standout features:

  • Low Dielectric Constant (Dk): 2.2 ± 0.04 at 10GHz, ensuring stable signal propagation.
  • Low Dissipation Factor (Df): 0.001 at 10GHz, minimizing energy loss and distortion.
  • Thermal Stability: Thermal coefficient of Dk: -142 ppm/°C (-55°C to 150°C), ensuring consistent performance across temperatures.
  • CTE (Coefficient of Thermal Expansion):
    • X-axis: 25 ppm/°C, Y-axis: 34 ppm/°C, ensuring dimensional stability.
    • Z-axis: 240 ppm/°C, ensuring plated-through-hole reliability.
  • Moisture Resistance: Low moisture absorption of ≤0.08%, maintaining performance in humid environments.
  • Flammability: Certified to UL-94 V0, meeting safety standards.

F4BM220 PCB weith Double-Sided 1oz or Hoz copper weight 6.0mm Thick and ENIG surface finished

5. Applications of the Double-Sided PCB

  • Microwave, RF, and Radar Systems
  • Phase Shifters
  • Power Dividers, Couplers, and Combiners
  • Feed Networks
  • Satellite Communications
  • Base Station Antennas

Why Choose Bicheng Technologies?

At Bicheng Technologies Limited, we are dedicated to delivering high-quality PCBs that meet your specific needs. Our double-sided PCB with F4BM220 material is manufactured with precision and care, ensuring electrical reliability, mechanical durability, and cost-efficiency.

Here’s why you should partner with us:

Expertise: We specialize in high-frequency and RF PCB manufacturing.

Quality Assurance: All PCBs meet IPC-Class-2 standards and undergo 100% electrical testing.

Global Availability: We deliver worldwide, ensuring timely support for your projects.

Customer Support: Our team is here to provide tailored solutions for your design needs.

If you have any technical questions or want more information, feel free to contact Sally at sales30@bichengpcb.com. I look forward to helping you bring your ideas to life!

F4BM220 PCB weith Double-Sided 1oz or Hoz copper weight 6.0mm Thick and ENIG surface finished


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