When it comes to high-frequency and high-reliability electronics, the foundation of your design lies in the PCB. Our 4-layer PCB, built with Rogers RO4350B and S1000-2M materials, is meticulously designed to meet the demands of RF, microwave, and high-speed digital applications. Whether you're developing commercial airline broadband antennas, radar systems, or millimeter-wave devices, this PCB delivers unmatched performance, thermal stability, and reliability.

Core Specifications
Layer Count: 4

Materials: RO4350B (top layers) and S1000-2M (core)

Solder Mask: Green (Top), None (Bottom)

Silkscreen: White (Top), None (Bottom)

Surface Finish: ENIG (Electroless Nickel Immersion Gold)

Board Thickness: 1.6mm

Dimensions: 90mm x 95mm (±0.15mm)

Trace/Space: 5mil / 4mil (minimum)

Hole Size: 0.35mm (minimum)

Via Plating: 20μm thickness

Via Filling/Capping: 0.35mm vias filled and capped

Impedance Control: 50Ω on top layer (5mil/9mil trace/gap)

Edge Plating: Applied to designated areas

PCB Stack-Up
Our 4-layer PCB is constructed with precision to ensure optimal electrical and thermal performance:

Layer 1 (Top): 35μm copper

RO4350B Laminate: 0.254mm (10mil)

Layer 2 (Inner): 35μm copper

Prepreg (1080 RC63%): 0.0644mm (2.5mil)

Layer 3 (Inner): 35μm copper

S1000-2M Core: 1.1mm (43mil)

Layer 4 (Bottom): 35μm copper

Why RO4350B?
RO4350B is a game-changer for RF and microwave applications, offering:

Consistent Dk: 3.48 ±0.05 @ 10GHz/23°C

Ultra-Low Loss: Dissipation factor of 0.0037 @ 10GHz/23°C

Exceptional Thermal Stability: Tg >280°C (536°F)

Low CTE: Matches copper for excellent dimensional stability (X/Y: 10/12 ppm/°C, Z: 32 ppm/°C)

Minimal Water Absorption: 0.06% for reliable performance in humid conditions

Thermal Conductivity: 0.69 W/m/°K for efficient heat dissipation

UL 94 V-0 Rating: Ideal for high-power RF designs

Why S1000-2M?
S1000-2M complements RO4350B with its robust mechanical and thermal properties:

Low Z-Axis CTE: Enhances through-hole reliability

High Heat Resistance: Tg of 180°C (DSC)

Anti-CAF Performance: Ensures long-term reliability in high-density designs

Low Water Absorption: Maintains stability in challenging environments

UV Blocking/AOI Compatibility: Supports automated optical inspection

Quality Assurance
We are committed to delivering PCBs that meet the highest standards of quality and reliability. Our manufacturing process adheres to IPC-Class-2 compliance, ensuring robust performance for a wide range of industrial applications.

All constructions are supplied in Gerber RS-274-X format, guaranteeing compatibility with your production systems. Before shipment, every PCB undergoes 100% electrical testing to verify functionality and eliminate defects.

With global availability, we are ready to ship our high-quality PCBs to your location, no matter where you are in the world. Trust us to provide the precision and reliability your projects demand.

Ideal Applications
This PCB is perfect for:

Commercial Airline Broadband Antennas

Microstrip and Stripline Circuits

Millimeter-Wave Devices

Radar and Guidance Systems

Point-to-Point Digital Radio Antennas

Why Choose Us?
Cutting-Edge Materials: RO4350B and S1000-2M deliver superior electrical and thermal performance.

Precision Engineering: Features like impedance control, via filling, and edge plating ensure reliability.

Global Support: We ship high-quality PCBs worldwide, ensuring timely delivery.

Proven Reliability: Compliant with IPC-Class-2 standards, our PCBs are built to withstand the toughest conditions.

Contact Us Today!
If you're looking for a high-performance PCB solution for RF, microwave, or high-speed digital applications, this 4-layer PCB is the answer. Reach out to us today to discuss your requirements or request a quote.

Company Profile

Founded in 2003, Shenzhen Bicheng Electronics Technology Co., Ltd is an established high frequency PCB supplier and exporter in Shenzhen China, severing cellular base station antenna, satellite, high frequency passive components, microstrip line and band line circuit, millimeter wave equipment, radar systems, digital radio frequency antenna and other fields worldwide for 18 years. Our high frequency PCBs are mainly built on 3 high frequency material brands: Rogers Corporation, Taconic and Wangling. Dielectric constant ranges from 2.2 to 10.2 etc.

Bicheng PCB is headquartered in Shenzhen, a city with great economic vitality. Based in China, we adhere to the philosophy of servicing small and medium sized companies offering variety of circuit boards to meet the demands of market.

Main Business & PCB Applications

We maintain the highest standards which support products that exhibit exceptional quality, performance and reliability. We also have divisions of FR-4 circuit board, flexible circuits and metal core PCBs featured as prototypes, small runs to mass production. We actively research and build such high value added PCB projects as HDI, quick turn, impedance control, heavy copper and backplane board etc. This has made our PCB products generate an effective prolongation and complementation, as well as formation of integrated products line ranging from low-end to high-end.The circuit boards are used in the industries of home appliances, portable and consumable electronics, medical filed, aerospace as well as telecommunications etc.

Main Material Partners