2-Layer RT/duroid 6006 PCB 10mil Rogers Substrate Immersion Silver No Solder Mask

2-Layer RT/duroid 6006 PCB 10mil Rogers Substrate Immersion Silver No Solder Mask

1. Product Overview

The RT/duroid 6006 10mil Immersion Silver PCB is a high-performance 2-layer rigid microwave circuit board built on Rogers ceramic-filled PTFE composite laminate, optimized for high-dielectric-constant, low-loss RF applications up to X-band and below. It features a 10mil (0.254mm) core thickness, immersion silver surface finish, no solder mask or silkscreen, and is manufactured in compliance with IPC-Class-2 standards. This board is purpose-built for compact, high-stability circuits such as patch antennas, satellite communication modules, power amplifiers, airborne collision avoidance systems, and ground radar warning receivers.

Its tight Dk control, low dissipation factor, minimal moisture absorption, and balanced thermal expansion behavior ensure repeatable electrical performance across temperature variations and batch productions.

2. PCB Construction

This section summarizes the Rogers 6006 board’s mechanical, fabrication, and surface treatment parameters, all derived from verified production data.

3. PCB Layer Structure Summary

The stack-up is symmetric and designed for impedance consistency and low signal distortion in high-frequency transmission.

4. PCB Layout & Net Statistics

This table reflects the actual routing density, component distribution, and interconnection structure of the board.

5. Core Performance & Differentiating Advantages

5.1 Material Superiority

RT/duroid 6006 is a ceramic-PTFE composite engineered for high-Dk microwave circuits. Unlike standard FR-4 or general-purpose high-frequency substrates, it provides a stable dielectric constant while maintaining low loss at operating frequencies up to X-band. The ceramic filler enhances dimensional stability and thermal performance, while the PTFE matrix delivers outstanding electrical insulation and low loss characteristics.

5.2 Electrical Performance

• Dielectric constant Dk = 6.15±0.15 @10GHz, 23°C
• Dissipation factor Df = 0.0027 @10GHz, 23°C
• Thermal coefficient of Dk =–410 ppm/°C (–50 to 170°C)
• Volume resistivity: 2×10⁷MΩ·cm
• Surface resistivity: 7×10⁷MΩ

These values ensure low insertion loss, stable phase response, and consistent impedance in high-sensitivity RF front-end circuits.

5.3 Thermal & Mechanical Stability

• Decomposition temperature Td >500°C (TGA)
• CTE: X-axis 47 ppm/°C, Y-axis 34 ppm/°C, Z-axis 117 ppm/°C
• Thermal conductivity: 0.49 W/m·K @80°C
• Copper peel strength: 14.3 pli (2.5 N/mm) after solder float
• Flammability: UL94 V-0
• Lead-free process compatible
• The Z-axis CTE supports reliable plated through-holes, while high thermal stability protects performance during reflow and field operation.

5.4 Environmental Reliability

• Moisture absorption: 0.05%
• Density: 2.7 g/cm³
• Excellent chemical resistance
• Low outgassing
• Low moisture absorption preserves electrical performance in high-humidity environments, making the board suitable for aerospace, radar, and satellite ground stations.

5.5 Fabrication Precision

• Symmetric stack-up minimizes warpage
• 100% electrical testing ensures yield
• Immersion silver provides flat, solderable surfaces without mask interference
• Strictly controlled dielectric thickness and copper weight support impedance accuracy

6. Typical Applications

• Patch antennas and array antennas
• Satellite communication systems
• Medium- and high-power amplifiers
• Aircraft collision avoidance systems
• Ground radar warning systems
• Military and aerospace RF modules
• Test instrumentation for microwave devices

This 10mil RT/duroid 6006 PCB is ideal for systems requiring miniaturization, low loss, and high electrical repeatability.

Part 2: RT/duroid 6006 Copper Clad Laminate (CCL) Knowledge

This section is independent of the PCB description and provides in-depth CCL fundamentals plus complete material parameters for engineering reference.

1. What is Copper Clad Laminate (CCL)?

Copper Clad Laminate (CCL) is the foundational substrate of printed circuit boards. It consists of a reinforced insulating core bonded with copper foil under high temperature and pressure. CCL determines a PCB’s electrical, thermal, mechanical, and reliability performance. For high-frequency/RF PCBs, high-frequency CCL differs significantly from standard FR-4:

• Stable dielectric constant (Dk) over frequency and temperature
• Ultra-low dissipation factor (Df) to minimize signal loss
• Low moisture absorption
• Excellent thermal stability and controlled CTE
• Good copper adhesion and drillability
• Compatibility with high-frequency fabrication processes

2. Classification of High-Frequency CCL

• PTFE-based CCL: Lowest loss, excellent stability; used in microwave, aerospace, and radar. RT/duroid 6006 belongs to this category.
• Hydrocarbon ceramic CCL: Good balance of cost and performance; widely used in 5G base stations.
• Thermoset high-performance CCL: Improved thermal resistance for industrial and automotive radar.

3. Why RT/duroid 6006 Stands Out

RT/duroid 6006 is aceramic-filled PTFE laminate optimized for high Dk and low loss. Its balanced properties enable circuit miniaturization without sacrificing performance, making it a preferred choice for X-band and sub-X-band systems.

4. Complete RT/duroid 6006 CCL Datasheet Table

5. Standard Specifications for RT/duroid 6006 CCL

• Standard thicknesses: 10mil (0.254mm), 25mil (0.635mm), 50mil (1.27mm), 75mil (1.905mm), 100mil (2.54mm)

• Standard panel sizes: 10”×10”, 10”×20”, 18”×12”

• Copper cladding:½oz (18μm), 1 oz (35μm), standard or reverse-treated ED copper

Conclusion

The 2-layer RT/duroid 6006 10mil PCB is a high-performance rigid board designed for high-frequency RF and microwave applications. Built with Rogers'ceramic-PTFE laminate, it features stable dielectric properties, ultra-low loss, and excellent thermal–mechanical stability, fully compliant with IPC-Class-2 standards and verified by 100% electrical testing. With precise fabrication, controlled impedance, and reliable environmental durability, this RT/duroid 6006 high frequency PCB ensures consistent, repeatable performance for mission-critical systems including satellite communications, radar, antennas, and aerospace electronics. It offers clear advantages in miniaturization, reliability, and electrical stability, making it an ideal solution for demanding high-frequency designs.