High Frequency PCB Laminates & RF/Microwave Circuit Boards

Rogers PCB materials have a lower, more stable dielectric constant than FR4 (which is typically ~4.5), resulting in significantly reduced dielectric loss at high frequencies. Rogers substrates also offer superior dimensional stability under thermal and mechanical stress, making them ideal for microwave circuits, radar systems, and telecommunications infrastructure where FR4 would degrade signal quality.

ALN ceramic PCBs have a dielectric constant of 8–10 at 1 MHz and volume resistivity ≥10¹³ Ω·cm, with thermal conductivity ≥170 W/(m·K). Alumina (Al2O3) offers a dielectric constant of 9–10 at 1 MHz with resistivity ≥10¹⁴ Ω·cm. Both provide zero water absorption and excellent insulation suited for high-frequency power and RF circuit applications.

Yes. SFX PCB supports impedance-controlled manufacturing across multiple product lines including multilayer PCBs, rigid-flex PCBs, single-layer flex PCBs, and Rogers PCBs. Impedance tolerance is maintained at ±10% for flex and rigid-flex boards, with tighter controls achievable on specialty substrate boards. Customers should specify impedance requirements when submitting Gerber files.

Minimum track capabilities vary by substrate: ceramic PCBs achieve 0.075mm tracks, transparent glass PCBs achieve 150µm (±20µm), and rigid FR4 PCBs support down to 0.05mm line width/spacing. Rogers and copper core boards support fine geometries suitable for microwave and millimeter-wave circuit layouts. Contact SFX PCB for DFM guidance on your specific design.

High-frequency PCBs are used in telecommunications (5G/6G base stations, radar), aerospace and defense (radar, guidance systems, satellite electronics), medical devices (MRI, ultrasound, diagnostics), automotive electronics (ABS, advanced driver assistance), industrial automation, power electronics, and semiconductor packaging. SFX PCB serves all of these sectors with specialized substrate options.

SFX PCB's manufacturing facilities are certified to ISO9001 (quality management), ISO14001 (environmental management), and ISO13485 (medical device manufacturing). Products are RoHS and REACH compliant, UL listed, and manufactured in accordance with IPC-A-610 Class 2 and Class 3 standards. Compliance documentation is available upon request for specific product lines.