Commodity Name: High-frequency Stepped Hybrid Printed Circuit Board

Brand Name: HFast

Layers: 4L

Board Thickness: 1.60mm

Minimum Hole Size: 0.25mm

Minimum Line Width: 0.15mm

Minimum Line Spacing: 0.15mm

Color: Black Oil and White Legend

Surface Treatment: Gold Plating

Advantages: High-frequency Stepped Hybrid Plate and Inner Layer PAD Gold Plating

Special Process Standards for Military PCB

1. IPC Standard Upgraded Version:

*IPC-6012ES: Performance Specification for Aerospace Electronic High Reliability PCB

*IPC-6018DS: Supplementary Requirements for Military High Frequency Microwave Boards

*IPC J-STD-001 Military Appendix: Welding Process Military Enhancement Requirements

2. US military standard system:

*MIL-PRF-31032: General Performance Specification for Military PCB

*MIL-PRF-55110: Rigid PCB Performance Standard

*MIL-PRF-50884: Flexible/Rigid Flexible PCB Standard

Future Trends and Challenges of Military PCB

1. Technological frontiers:

*Embedded Passive Devices (EPD): Embedded resistors/capacitors/inductors to enhance density and reliability.

*3D Printed Electronics: Rapid battlefield repair and customized production.

*Photon integration: Optical interconnect PCB solves the bottleneck of high-speed data transmission.

*AI Empowerment Testing: Machine Learning Implementation for Defect Prediction.

2. Core Challenge:

*Balancing "Performance Limits" and "Cost Controllable" (Small Batch vs. High Tech Investment)

*Breakthrough in the design of "multi physics field coupling" (electric thermal force magnetic collaborative simulation)

*Ensure "supply chain security"  (substitution of domestically produced banned materials)

*Dealing with "New Threats" (High Power Microwave Weapons, Quantum Interference).