この付録では、最適な PCB 材料を選択できるように各種材料とその特性、および相対コストを示します。
表 1. 材料のパラメーターと相対コスト
|
Rogers Corporation (Rogers_4350) |
パナソニック (MEGTRON 6) |
Isola Group (I-Speed) |
Isola Group (FR408HRIS) |
Isola Group (Standard FR4_LP) |
Isola Group (Standard FR4_LP) |
DK |
3.48 |
3.49 |
3.25 |
3.65 |
4.4 |
4.4 |
DF |
0.0057 |
0.006 |
0.0074 |
0.0115 |
0.017 |
0.017 |
表面粗さ (µm) |
0.5 |
2 |
2 |
2 |
5 |
8 |
銅箔の導電率 (S/m) |
4x107
|
4x107
|
4x107
|
4x107
|
4x107
|
4x107
|
コスト |
3.8X |
3.5X |
2.3X |
1.7X |
1.2X |
1X |
表 2. 挿入損失 (IL) @ 2.4GHz
IL @ 2.4GHz (dB/in) |
Rogers Corporation (Rogers_4350) |
パナソニック (MEGTRON 6) |
Isola Group (I-Speed) |
Isola Group (FR408HRIS) |
Isola Group (Standard FR4_LP) |
Isola Group (Standard FR4_LP) |
W = 4mil |
-0.318 |
-0.469 |
-0.474 |
-0.528 |
-0.658 |
-0.692 |
W = 6mil |
-0.246 |
-0.362 |
-0.367 |
-0.422 |
-0.539 |
-0.565 |
W = 8mil |
-0.211 |
-0.302 |
-0.308 |
-0.359 |
-0.467 |
-0.488 |
W = 10mil |
-0.184 |
-0.263 |
-0.272 |
-0.323 |
-0.427 |
-0.444 |
W = 12mil |
-0.167 |
-0.233 |
-0.246 |
-0.293 |
-0.399 |
-0.414 |
表 3. 挿入損失 (IL) @ 4.0GHz
IL @ 4.0GHz (dB/in) |
Rogers Corporation (Rogers_4350) |
パナソニック (MEGTRON 6) |
Isola Group (I-Speed) |
Isola Group (FR408HRIS) |
Isola Group (Standard FR4_LP) |
Isola Group (Standard FR4_LP) |
W = 4mil |
-0.452 |
-0.667 |
-0.679 |
-0.765 |
-0.954 |
-1.002 |
W = 6mil |
-0.354 |
-0.518 |
-0.529 |
-0.616 |
-0.794 |
-0.829 |
W = 8mil |
-0.306 |
-0.435 |
-0.446 |
-0.531 |
-0.696 |
-0.724 |
W = 10mil |
-0.270 |
-0.381 |
-0.397 |
-0.481 |
-0.641 |
-0.665 |
W = 12mil |
-0.246 |
-0.340 |
-0.362 |
-0.440 |
-0.603 |
-0.624 |
表 4. 挿入損失 (IL) @ 5.0GHz
IL @ 5.0GHz (dB/in) |
Rogers Corporation (Rogers_4350) |
パナソニック (MEGTRON 6) |
Isola Group (I-Speed) |
Isola Group (FR408HRIS) |
Isola Group (Standard FR4_LP) |
Isola Group (Standard FR4_LP) |
W = 4mil |
-0.531 |
-0.774 |
-0.788 |
-0.896 |
-1.126 |
-1.178 |
W = 6mil |
-0.417 |
-0.604 |
-0.618 |
-0.728 |
-0.942 |
-0.981 |
W = 8mil |
-0.362 |
-0.509 |
-0.525 |
-0.628 |
-0.831 |
-0.861 |
W = 10mil |
-0.321 |
-0.447 |
-0.467 |
-0.572 |
-0.768 |
-0.794 |
W = 12mil |
-0.294 |
-0.400 |
-0.427 |
-0.524 |
-0.724 |
-0.747 |
表 5. 挿入損失 (IL) @ 6.0GHz
IL @ 6.0GHz (dB/in) |
Rogers Corporation (Rogers_4350) |
パナソニック (MEGTRON 6) |
Isola Group (I-Speed) |
Isola Group (FR408HRIS) |
Isola Group (Standard FR4_LP) |
Isola Group (Standard FR4_LP) |
W = 4mil |
-0.607 |
-0.872 |
-0.890 |
-1.018 |
-1.290 |
-1.356 |
W = 6mil |
-0.479 |
-0.683 |
-0.699 |
-0.832 |
-1.085 |
-1.134 |
W = 8mil |
-0.417 |
-0.577 |
-0.596 |
-0.720 |
-0.961 |
-0.999 |
W = 10mil |
-0.370 |
-0.508 |
-0.532 |
-0.658 |
-0.891 |
-0.924 |
W = 12mil |
-0.339 |
-0.455 |
-0.487 |
-0.604 |
-0.842 |
-0.871 |
表 6. 挿入損失 (IL) @ 12.9GHz
IL @ 12.9GHz (dB/in) |
Rogers Corporation (Rogers_4350) |
パナソニック (MEGTRON 6) |
Isola Group (I-Speed) |
Isola Group (FR408HRIS) |
Isola Group (Standard FR4_LP) |
Isola Group (Standard FR4_LP) |
W = 4mil |
-1.099 |
-1.440 |
-1.485 |
-1.754 |
-2.307 |
-2.694 |
W = 6mil |
-0.882 |
-1.147 |
-1.191 |
-1.466 |
-1.996 |
-2.275 |
W = 8mil |
-0.775 |
-0.983 |
-1.032 |
-1.294 |
-1.792 |
-2.020 |
W = 10mil |
-0.695 |
-0.878 |
-0.932 |
-1.198 |
-1.683 |
-1.877 |
W = 12mil |
-0.642 |
-0.795 |
-0.863 |
-1.115 |
-1.607 |
-1.776 |