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High Light: | Laminates RF PCB,Double-Sided 10mil RF PCB,RF High Frequency PCB Board |
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We're excited to share our newly shipped RF PCB here with you.It's a high frequency PCB made of RO4350B laminates. Rogers RO4350B, a cutting-edge solution that combines the electrical performance of PTFE/woven glass with the ease of manufacturability found in epoxy/glass materials. Developed by Rogers Corporation, the RO4350B laminates offer exceptional control over dielectric constant (Dk) while maintaining low loss characteristics. These advanced materials provide a cost-effective alternative to conventional microwave laminates, eliminating the need for special through-hole treatments and handling procedures typically associated with PTFE-based materials. Notably, the RO4350B laminates are UL 94 V-0 rated, making them suitable for active devices and high power RF designs.
RO4350B Typical Value | |||||
Property | RO4350B | Direction | Units | Condition | Test Method |
Dielectric Constant,εProcess | 3.48±0.05 | Z | 10 GHz/23℃ | IPC-TM-650 2.5.5.5 Clamped Stripline | |
Dielectric Constant,εDesign | 3.66 | Z | 8 to 40 GHz | Differential Phase Length Method | |
Dissipation Factortan,δ | 0.0037 0.0031 |
Z | 10 GHz/23℃ 2.5 GHz/23℃ |
IPC-TM-650 2.5.5.5 | |
Thermal Coefficient of ε | +50 | Z | ppm/℃ | -50℃to 150℃ | IPC-TM-650 2.5.5.5 |
Volume Resistivity | 1.2 x 1010 | MΩ.cm | COND A | IPC-TM-650 2.5.17.1 | |
Surface Resistivity | 5.7 x109 | MΩ | COND A | IPC-TM-650 2.5.17.1 | |
Electrical Strength | 31.2(780) | Z | Kv/mm(v/mil) | 0.51mm(0.020") | IPC-TM-650 2.5.6.2 |
Tensile Modulus | 16,767(2,432) 14,153(2,053) |
X Y |
MPa(ksi) | RT | ASTM D 638 |
Tensile Strength | 203(29.5) 130(18.9) |
X Y |
MPa(ksi) | RT | ASTM D 638 |
Flexural Strength | 255 (37) |
MPa (kpsi) |
IPC-TM-650 2.4.4 | ||
Dimensional Stability | <0.5 | X,Y | mm/m (mil/inch) |
after etch+E2/150℃ | IPC-TM-650 2.4.39A |
Coefficient of Thermal Expansion | 10 12 32 |
X Y Z |
ppm/℃ | -55℃to288℃ | IPC-TM-650 2.4.41 |
Tg | >280 | ℃ TMA | A | IPC-TM-650 2.4.24.3 | |
Td | 390 | ℃ TGA | ASTM D 3850 | ||
Thermal Conductivity | 0.69 | W/M/oK | 80℃ | ASTM C518 | |
Moisture Absorption | 0.06 | % | 48hrs immersion 0.060" sample Temperature 50℃ |
ASTM D 570 | |
Density | 1.86 | gm/cm3 | 23℃ | ASTM D 792 | |
Copper Peel Stength | 0.88 (5.0) |
N/mm (pli) |
after solder float 1 oz. EDC Foil |
IPC-TM-650 2.4.8 | |
Flammability | (3)V-0 | UL 94 | |||
Lead-free Process Compatible | Yes |
Features:
The RO4350B laminates boast remarkable features that make them an ideal choice for high-frequency applications. With a dielectric constant (DK) of 3.48 ± 0.05 at 10GHz and a dissipation factor of 0.0037 at the same frequency, these laminates deliver excellent electrical performance. Additionally, the thermal conductivity of 0.69 W/m/°K ensures efficient heat dissipation. Their coefficient of thermal expansion (CTE) values are 10ppm/°C in the X-axis, 12ppm/°C in the Y-axis, and 32ppm/°C in the Z-axis, providing stability across temperature variations. Operating within a wide temperature range of -40℃ to +85℃, the RO4350B laminates exhibit exceptional thermal resilience.
Benefits:
The RO4350B laminates offer a multitude of benefits that make them stand out among other materials in the market:
1. Low dielectric tolerance and low loss: These laminates provide excellent electrical performance, enabling applications with higher operating frequencies. They are particularly well-suited for broadband applications.
2. Stable electrical properties vs. frequency: The RO4350B laminates ensure controlled impedance transmission lines and allow for the repeatable design of filters, guaranteeing consistent performance.
3. Low thermal coefficient of dielectric constant: With excellent dimensional stability, these laminates maintain reliable electrical properties regardless of temperature fluctuations.
4. Low Z-axis expansion: The RO4350B laminates facilitate the creation of plated through holes that are highly reliable.
5. Low in-plane expansion coefficient: These laminates remain stable throughout the entire range of circuit processing temperatures, ensuring consistent performance during manufacturing.
6. Volume manufacturing process: RO4350B laminates can be fabricated using standard glass epoxy processes, making them cost-effective and easily accessible for mass production.
7. CAF resistant: The laminates demonstrate resistance to conductive anodic filamentation, ensuring long-term reliability in demanding applications.
PCB Specifications:
This RF PCB offers a robust construction that complements the high-performance laminates:
- 2-layer rigid PCB stackup with a 35 μm copper layer on both the top and bottom.
- Rogers 4350B core with a thickness of 0.254 mm (10mil).
- Board dimensions measuring 53.18mm x 56.04 mm with a tolerance of +/- 0.15mm.
- Minimum trace/space of 5/5 mils and a minimum hole size of 0.25mm.
- No blind vias, ensuring straightforward fabrication.
- Finished board thickness of 0.32mm for compact designs.
- Outer copper layers with a 1 oz (1.4 mils) weight.
- Via plating thickness of 20 μm for reliable connections.
- Immersion silver surface finish, ensuring excellent signal integrity.
- No top or bottom silkscreen or solder mask, providing a clean and minimalistic look.
- 100% electrical test conducted prior to shipment, ensuring quality assurance.
PCB Statistics:
This PCB incorporates 11 components and features a total of 70 pads, including 47 through-hole pads and 23 top surface mount technology (SMT) pads. With 79 vias and 3 nets, this PCB offers versatility for various circuit designs.
Artwork and Quality Standard:
The artwork supplied for this PCB is in Gerber RS-274-X format, ensuring compatibility with common design software. The quality standard adhered to is IPC-Class-2, guaranteeing reliable performance and meeting industry standards.
Availability and Typical Applications:
This PCB is available worldwide, catering to diverse market needs. These high-performance materials find applications in the following fields:
- Cellular Base Station Antennas and Power Amplifiers: The RO4350B PCB enables efficient signal transmission and amplification in wireless communication systems.
- RF Identification Tags: These laminates offer stable and precise RF performance for identification and tracking applications.
- Automotive Radar and Sensors: With excellent electrical properties and thermal stability, the RO4350B PCB supports reliable radar and sensor systems in vehicles.
- LNBs for Direct Broadcast Satellites:The RO4350B laminates are well-suited for use in Low Noise Blocks (LNBs) for direct broadcast satellites, ensuring excellent signal reception and transmission.
In conclusion, the RO4350B PCB, with its remarkable electrical performance, stability, and cost-effectiveness, opens up a world of possibilities for advanced applications. With its low dielectric tolerance, low loss, and stable electrical properties, it enables high-frequency operation, controlled impedance transmission lines, and repeatable filter designs. The RO4350B laminates' low thermal coefficient, low Z-axis expansion, and low in-plane expansion coefficient ensure dimensional stability and reliable performance across temperature variations. Moreover, its volume manufacturing process and competitive pricing make it an accessible choice for mass production. With global availability and a wide range of applications, the RO4350B PCB is a reliable and high-performance solution for today's demanding electronic projects.
Contact Person: Ms. Ivy Deng
Tel: 86-755-27374946
Fax: 86-755-27374848