Hybrid Construction
Materials Properties Comparison
|
Laminate
|
Tg
|
Dielectric Constant
(Dk) |
Loss Tangent
(Df) |
Status
|
|||
| Normal Tg FR-4 |
135-145
|
DSC
|
4.7
|
@1 MHz
|
0.019
|
@1 MHz
|
Production
|
| High Tg FR-4 |
175-185
|
DSC
|
4.6
|
@1 MHz
|
0.019
|
@1 MHz
|
Production
|
| Rogers RO4003 |
>280
|
3.38+/-0.05
|
@10 GHz
|
0.0027
|
@10 GHz
|
Production
|
|
| Rogers RO4350 |
>280
|
3.48+/-0.05
|
@10 GHz
|
0.0037
|
@10 GHz
|
Production
|
|
| Getek |
175-185
|
DMA
|
3.6-4.2
|
@1 MHz
|
0.01-0.015
|
@1 MHz
|
Production
|
| Nelco N4000-13 |
200
|
TMA
|
3.6
|
@10 GHz
|
0.014
|
@10 GHz
|
Production
|
| Nelco N4000-13 SI |
200
|
TMA
|
3.2
|
@10 GHz
|
0.01
|
@10 GHz
|
Production
|
| Nelco N6000 |
170
|
TMA
|
3.4
|
@10 GHz
|
0.009
|
@10 GHz
|
R&D
|
| Nelco N6000 SI |
170
|
TMA
|
3.1
|
@10 GHz
|
0.006
|
@10 GHz
|
R&D
|
| Teflon (PTFE) – Taconic RF-35 |
N/A
|
3.5
|
@1.9 GHz
|
0.0018
|
@1.9 GHz
|
R&D
|
|
Rogers/FR4 Hybrid Product Cross-section:
