Bicheng Electronics Technology Co., Ltd
| Payment Terms | T/T |
| Supply Ability | 5000PCS per month |
| Delivery Time | 8-9 working days |
| Packaging Details | Vacuum bags+Cartons |
| PCB material | Rigid Polyimide |
| Layer count | 4-layer |
| PCB thickness | 1.8mm |
| PCB size | 325mm x 83mm (±0.15mm) |
| Copper weight | 1oz (1.4 mils) outer layers |
| Surface finish | HASL Lead Free |
| Solder mask | Black |
| Silkscreen | White |
| Brand Name | Bicheng |
| Certification | UL, ISO9001, IATF16949 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 5000PCS per month |
| Delivery Time | 8-9 working days | Packaging Details | Vacuum bags+Cartons |
| PCB material | Rigid Polyimide | Layer count | 4-layer |
| PCB thickness | 1.8mm | PCB size | 325mm x 83mm (±0.15mm) |
| Copper weight | 1oz (1.4 mils) outer layers | Surface finish | HASL Lead Free |
| Solder mask | Black | Silkscreen | White |
| Brand Name | Bicheng | Certification | UL, ISO9001, IATF16949 |
| Place of Origin | China | ||
| High Light | 4-layer polyimide PCB board ，high-frequency RF circuit board ，1oz copper PCB with warranty | ||
We proudly present our high-performance 4-layer rigid PCB manufactured with premium polyimide material, specifically engineered for demanding applications in extreme environments. This PCB delivers exceptional reliability in high-temperature, high-pressure operating conditions for aerospace, military electronics, and downhole oil extraction equipment.
The stack-up of this PCB consists of:
- Copper Layer 1: 35 μm (1oz)
- Polyimide Core: 0.32 mm
- Copper Layer 2: 35 μm (1oz)
- Polyimide Prepreg: 0.1 mm
- Polyimide Core: 0.8 mm
- Polyimide Prepreg: 0.1 mm
- Copper Layer 3: 35 μm (1oz)
- Polyimide Core: 0.32 mm
- Copper Layer 4: 35 μm (1oz)
PCB details
| Parameter | Specification |
| Base Material | Rigid Polyimide |
| Layer Count | 4 Layers |
| Board Dimensions | 325mm x 83mm (±0.15mm) |
| Minimum Trace/Space | 5/5 mils |
| Minimum Hole Size | 0.3mm |
| Blind Vias | No |
| Finished Board Thickness | 1.8mm |
| Finished Cu Weight | 1oz (1.4 mils) outer layers |
| Via Plating Thickness | 20 μm |
| Surface Finish | HASL Lead Free |
| Top Silkscreen | White |
| Bottom Silkscreen | White |
| Top Solder Mask | Black |
| Bottom Solder Mask | Black |
| Special Features | 0.3mm vias resin filled and capped Countersunk holes from top |
| Electrical Testing | 100% tested prior to shipment |
Features and Benefits of Polyimide Material
Thermal Stability
Polyimide laminate exhibits exceptional heat resistance, withstanding 288°C thermal stress tests without delamination or blistering, and features a high glass transition temperature (Tg) of 257°C.
Mechanical Strength
Demonstrates outstanding peel strength (1.42 N/mm after thermal stress) and bending strength (410.2 N/mm² in machine direction), ensuring durability in harsh environments.
Electrical Performance
Maintains excellent insulation properties with:
- Volume resistivity: 6.6×10⁸ MΩ·cm
- Surface resistivity: 3.4×10⁸ MΩ
- Dielectric constant: 4.12 @ 1MHz
- Dissipation factor: 0.0072 @ 1MHz
Environmental Resistance
- Moisture absorption rate of only 0.11%
- Excellent radiation resistance
- Maintains performance in extreme conditions
Additional Advantages
- High-frequency dielectric performance
- Reliable operation in oil and gas environments
- Superior dimensional stability
- Excellent chemical resistance
Typical Applications
The unique properties of Polyimide make it ideal for demanding applications:
- Aerospace systems: Avionics requiring extreme reliability
- Military electronics: Mission-critical defense systems
- Downhole equipment: Oil extraction electronics
- Satellite components: Space-grade reliability
- High-temperature industrial controls
- Medical equipment sterilization systems
Compliance and Standards
This PCB adheres to IPC-Class-2 standards, ensuring consistent quality and reliability. All manufacturing files are supplied in Gerber RS-274-X format for seamless production integration.
Global Availability
We offer worldwide shipping with reliable delivery to engineers and manufacturers across all regions.
Conclusion
Our 4-layer rigid Polyimide PCB represents the ultimate solution for applications requiring extreme thermal and environmental resistance. With its unmatched thermal stability, excellent mechanical properties, and proven reliability, this solution delivers outstanding performance in the most challenging conditions. By choosing this PCB, you're selecting a high-performance solution that won't compromise under stress - perfect for your most demanding applications.
Contact us today if you looking for high reliability and high performance PCB solution!
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Seller
Year Established:
2003
Total Annual:
10 million-18 million
Employee Number:
350~450
Ecer Certification：
Verified Supplier
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, millime... 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, millime...
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