PCB中,关于单层板、双层板、多层板的问题。。

2025-03-09 05:51:40
推荐回答(3个)
回答1:

一般来说,目前单面板几乎已经没有使用了。
就我的理解,单面板指的是只有一面有布线的电路板。
双面板指的是正反两面都有布线,元器件可以焊接在正面,也可以焊接在反面。多层板和双面板一样,都是正反两面可以布线,多层板现在的应用比较多,比如我们常见的电脑主板,一般都是四层板,正面焊接绝大多数的元器件,反面一般只有少量的电容。
多层板的内层一般为电地层,在很复杂的板上内层也有布线。
目前国内很少有多层板中间内嵌元器件的,国外有些工艺可以在电路板的内层预置一些标准的阻容器件。

回答2:

您理解错了

对于常见的PCB 几层是指有几层的布线(走线)

在PCB上面贴装元件 一般是在表面以及背面两层完成

回答3:



目前单面板几乎已经没
使用

理解
单面板指

布线
电路板
双面板指
反两面都
布线
元器件
焊接

焊接
反面
层板
双面板

反两面
布线
层板现
应用比较



电脑主板
般都
四层板
面焊接绝

元器件
反面

少量
电容
层板
内层



复杂

内层
布线
目前


层板
间内嵌元器件

些工艺
电路板
内层预置
些标准
阻容器件

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