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Faster & Professional Turnkey PCB Assembly Services
High Speed PCB Manufacturing Services
Specialized in high-frequency signal transmission (≥50MHz), Topfast delivers professional PCB production and assembly solutions for demanding applications.
- Up to 30+ layer designs supported
- High-frequency materials (Rogers, Teflon, Isola)
- 10Gbps+ signal integrity solutions
- Precision processes (laser drilling, blind/buried vias)
- Fast delivery (24hr prototype, 5-7 day production)
- Certified quality (ISO 9001, UL, RoHS)
Why choose High Speed PCB?
- High-Frequency ≥50MHz signals with low loss
- Multi-Layer Up to 30+ layer designs
- EMI Protection Optimized interference resistance
- Thermal Control Effective heat dissipation
Key Parameters of High-Speed PCB Materials
Critical specifications for optimal signal integrity
Dielectric Constant (Dk)
Target Range: 2.2 – 4.5
Stability: <1% @10GHz
- Reduces signal delay
- Minimizes phase distortion
- Rogers materials excel
Loss Tangent (Df)
High-Speed Target: <0.005
Example: RO4003C: 0.0027
- Minimizes energy loss
- Critical for signal integrity
- Impacts high-frequency performance
Glass Transition (Tg)
Automotive Grade: >170°C
Premium Example: I-Tera MT40: 210°C
- Prevents delamination
- Essential for harsh environments
- Higher Tg = better reliability
CTE (Z-axis)
Critical Threshold: <50ppm/°C
Copper Matching: Essential
- Prevents via cracking
- Reduces thermal stress
- Key reliability factor