2. Key Features & Benefits

 

Excellent High-Frequency Performance: Features a stable dielectric constant (Dk) of 3.2 and an ultra-low dissipation factor of 0.007 @ 1 GHz, ensuring minimal signal loss for high-speed applications.

 

Superior Mechanical Durability: Offers excellent flexibility and high peel strength (≥1 N/mm), providing outstanding resistance to repeated bending and physical stress.

 

Enhanced Reliability & Stability: Exhibits excellent dimensional stability, low moisture absorption (≤1.5%), and high chemical resistance (≥80%), ensuring consistent performance in harsh environments.

 

Robust Thermal & Safety Properties: Provides excellent thermal resistance, high dielectric strength (150 V/μm), and complies with halogen-free and UL94 V-0 flammability standards.

 

Eco-Friendly & Compliant: Fully compatible with EU RoHS directives, free from hazardous substances such as Pb, Hg, Cd, Cr6+, PBB, and PBDE.

 

 

3. Construction & Technical Specifications

 

Layer Count & Thickness: 2 layers, 0.12mm finished board thickness.

 

Base Material: Adhesiveless Polyimide (Shengyi SF202 FCCL).

 

Board Dimensions: 110mm x 130mm per panel, tolerance ±0.15mm.

 

Copper Specifications: 0.5oz (22μm) finished copper on outer layers; 15μm via plating thickness.

 

Critical Dimensions: Minimum trace/space of 8/6 mils; minimum hole size of 0.2mm; no blind vias.

 

Surface Finish & Appearance: ENIG surface finish; green solder mask on both sides; white silkscreen on top only.

 

Quality Assurance: 100% electrical testing prior to shipment; conforms to IPC-Class-2 quality standards.

 

Artwork Format: Gerber RS-274-X.

 

Availability: Worldwide.

 

 

4. PCB Stackup Structure

 

Layer 1: Copper - 22 μm

 

Core: SF305 Polyimide - 0.05 mm (50 μm)

 

Layer 2: Copper - 22 μm

 

 

5. PCB Assembly Statistics

 

Components: 90

 

Total Pads: 179

 

Through-Hole Pads: 79

 

Top SMT Pads: 120

 

Bottom SMT Pads: 0

 

Vias: 51

 

Nets: 2

 

 

6. Typical Applications

Shengyi SF202 Polyimide PCB substrate is engineered for advanced flexible electronics, including:

 

Foldable Mobile Phones and Wearable Devices

 

High-Performance Computers and Tablets

 

Automotive Electronics and Control Systems

 

Digital Cameras, VCRs, and Consumer Electronics

 

Medical Devices and Portable Instrumentation

 

Office Automation Equipment and Industrial Controls

 

 

7. Conclusion

SF202 Polyimide Laminate PCB stands as a reliable, high-performance solution for designers and engineers pushing the boundaries of flexible electronics.

 

Polyimide PCB Board provides a trusted foundation for innovative applications in consumer, automotive, and industrial markets where performance, reliability, and flexibility are paramount, by combining superior high-frequency characteristics with exceptional mechanical durability and environmental stability.

 

 

Founded in 2003, Shenzhen Bicheng Electronics Technology Co., Ltd is an established high frequency PCB supplier and exporter in Shenzhen, China, serving customers worldwide.

 

We are devoted to delivering high-frequency PCB products and solutions of the highest quality, along with customized service. Get in touch with us to start your project !

Visit https://www.bicheng-enterprise.com to learn more.

 

Contact Vicky at v.xie@bichengpcb.com to unlock your PCB’s full potential.