触摸按键能够感应到的面板厚度与触摸按键LAYOUT PCB的焊盘大小是有关系的,请看下表的对应关系:
| 增量 |
|
圆形PAD直径(mm) |
| |
|
| 面板厚度(mm) |
|
6 |
7 |
8 |
9 |
10 |
11 |
12 |
|
半径 |
3 |
3.5 |
4 |
4.5 |
5 |
5.5 |
6 |
|
面积 |
28.26 |
38.465 |
50.24 |
63.585 |
78.5 |
94.985 |
113.04 |
| 1 |
|
20 |
25 |
|
|
|
|
|
| 1.3 |
|
17 |
20 |
27 |
|
|
|
|
| 1.6 |
|
15 |
19 |
25 |
30 |
|
|
|
| 2 |
|
15 |
18 |
24 |
26 |
|
|
|
| 4 |
|
9 |
11 |
14 |
16 |
17 |
20 |
24 |
| 4.6 |
|
8 |
10 |
11 |
12 |
15 |
17 |
20 |
注此表参数以压克力材料做参考,不同的材料的面板会有些差异; |