
- Good high-frequency properties make this material suitable for high-speed large-volume data transmission by mobile devices.
- R-F705S may be used as a replacement of micro coaxial cable and millimeter-wave radar antenna.
Circuit Board Materials
- Part Number

Double-sided copper clad R-F705S

- Application
- Detailed use



・Avionics/
Space
・Wireless
・Anntena
Space
・Wireless
・Anntena
Avionics/Space applications, Smartphone (Antenna module), Laptop, Tablet PC, 4K/8K display (High-speed FPC cable), Automotive component (Millimeter-wave radar), etc.
Properties
Dk 2.9 Df 0.002
@14GHz
@14GHz
Water absorption
0.04%
0.04%
Peel strength
0.8N/mm
0.8N/mm
Line-up
Supports thick plate specifications due to high board thickness accuracy.

Concept

Frequency dependence by Transmission loss

General properties
Item | Test method | Condition | Unit | R-F705S | |
---|---|---|---|---|---|
Solder heat resistance | JIS C 6471 | 288°C solder float for 1min | – | No abnormality | |
Moisture absorption solder heat resistance |
Internal Method | C-96/40/90 260°C solder float for 1min |
– | No abnormality | |
Dielectric constant (Dk) | 14GHz | Balanced-type circular disk resonace |
A | – | 2.9 |
Dissipation factor (Df) | 0.002 | ||||
Dielectric constant (Dk) | 10GHz | Cavity resonance |
A | – | 3.3 |
Dissipation factor (Df) | 0.002 | ||||
Tensile modulus | ASTM D882 | A | GPa | 3.5 | |
Surface resistivity | JIS C 6471 | A | MΩ | 4.0×1010 | |
Water absorption | Internal Method | 25°C 50h immersion | % | 0.04 | |
Peel strength ED:18μm |
IPC-TM-650 2.4.8 |
A | N/mm | 0.8 | |
260℃ solder float for 5sec | |||||
Chemical resistance | JIS C 6471 | HCl 2mol/l 23°C 5min | – | No abnormality | |
NaOH 2mol/l 23°C 5min | |||||
IPA 23°C 5min | |||||
Dimensional stability | IPC-TM-650 2.2.4 |
After etching MD | % | 0.008 | |
After etching TD | 0.007 | ||||
After E-0.5/150 MD | 0.052 | ||||
After E-0.5/150 TD | 0.035 | ||||
Flammability | UL | A + E-168/70 | – | 94VTM-0 | |
ED (TP4S) 18-100-18 |
The sample thickness is 0.1mm.
Our Halogen-free materials are based on JPCA-ES-01-2003 standard and others.
Contain; Chlorine:≤0.09wt%(900ppm), Bromine:≤0.09wt%(900ppm),
Chlorine+Bromine:≤0.15wt%(1500ppm)
The above data are typical values and not guaranteed values.