Motherboard &amp; etc
电脑主机板等等的电路板。

A controller card can be an electronic integrated chip, an expansion card or a stand-alone device that works as a crossing point with peripheral devices. 
控制卡掌控控制信号通过插在计算机扩展槽上的运动控制卡实现软件系统与安装在机床电气箱的进给电机驱动系统的连接与通讯。

From the control system the boards include masterboards, axis, graphic, memory, operator, i/o boards and from drives axis, servo and spindle PCB’s. 
发那科控制系统电路板包含：主机板，轴向控制卡，显示卡，内存卡，操作卡，主轴控制卡等等的电路板组成。

A printed circuit board (PCB) mechanically supports and electrically connects <a href="https://en.wikipedia.org/wiki/Electrical" target="_self">electrical</a> or <a href="https://en.wikipedia.org/wiki/Electronic_components" target="_self">electronic components</a> using <a href="https://en.wikipedia.org/wiki/Electrical_conductor" target="_self">conductive</a> tracks, pads and other features <a href="https://en.wikipedia.org/wiki/Industrial_etching" target="_self">etched</a> from one or more sheet layers of copper <a href="https://en.wikipedia.org/wiki/Laminated" target="_self">laminated</a> onto and/or between sheet layers of a <a href="https://en.wikipedia.org/wiki/Insulator_(electricity)" target="_self">non-conductive</a> substrate. Components are generally <a href="https://en.wikipedia.org/wiki/Soldering" target="_self">soldered</a> onto the PCB to both electrically connect and mechanically fasten them to it. 
电路板的名称有：陶瓷电路板，<a href="https://baike.baidu.com/item/%E6%B0%A7%E5%8C%96%E9%93%9D%E9%99%B6%E7%93%B7/5616170" target="_blank">氧化铝陶瓷</a>电路板，<a href="https://baike.baidu.com/item/%E6%B0%AE%E5%8C%96%E9%93%9D%E9%99%B6%E7%93%B7/1060408" target="_blank">氮化铝陶瓷</a>电路板，<a href="https://baike.baidu.com/item/%E7%BA%BF%E8%B7%AF%E6%9D%BF/3832594" target="_blank">线路板</a>，<a href="https://baike.baidu.com/item/PCB%E6%9D%BF" target="_blank">PCB板</a>，<a href="https://baike.baidu.com/item/%E9%93%9D%E5%9F%BA%E6%9D%BF/5879616" target="_blank">铝基板</a>，<a href="https://baike.baidu.com/item/%E9%AB%98%E9%A2%91%E6%9D%BF/1224414" target="_blank">高频板</a>，厚铜板，阻抗板，<a href="https://baike.baidu.com/item/PCB/146397" target="_blank">PCB</a>，超薄线路板，超薄电路板，印刷（铜刻蚀技术）电路板等。电路板使电路迷你化、直观化，对于固定电路的批量生产和优化用电器布局起重要作用，电路板可称为<a href="https://baike.baidu.com/item/%E5%8D%B0%E5%88%B7%E7%BA%BF%E8%B7%AF%E6%9D%BF/351168" target="_blank">印刷线路板</a>或<a href="https://baike.baidu.com/item/%E5%8D%B0%E5%88%B7%E7%94%B5%E8%B7%AF%E6%9D%BF/10690193" target="_blank">印刷电路板</a>。

Printed Circuit Board (PCB) 电路板 控制卡

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PC PCB 主机电路板

PC PCB 主机 电路板

PC PCB 主机电路板