|
1 條＝ 1 mil ＝ 1000 μ"＝ 0.001 "＝ 25.4 μm ＝ 0.0254 mm
孔徑（φ）：
20 條 ＝ 508 μm ＝ 0.508（0.5）mm
銅箔厚度：
0.5 ounce ＝ 17.5 μm ＝ 0.689 （0.7）條 ＝ 689 μ"
1 ounce ＝ 35 μm ＝1.378 （1.4）條 ＝ 1378 μ"
板材厚度：
62 mil ＝ 1.5748（1.6）mm
|
|
micro
inches |
mils |
inches |
Angstroms
|
Microns
|
mm |
|
micro
inch |
1 |
.001 |
.000001 |
250 |
.025 |
.000025 |
|
micro |
40 |
.04 |
.00004 |
10.000 |
1 |
.001 |
|
mil |
1,000 |
1 |
.001 |
250,000 |
25 |
.025 |
|
mm |
40,000 |
40 |
.04 |
10,000,000 |
1,000 |
1 |
TOP ↑
|
