The invention discloses a circuit board for reducing the area occupied by through holes during passing through a power supply layer.
本发明揭示一种线路板，用以减少贯孔通过电源层所占用的面积。
The circuit board comprises a plurality of circuit layers, one power supply layer, a plurality of insulating layers and one conducting pattern.
此线路板包括多个线路层、一电源层、多个绝缘层与一导电图案。
Best layout and performance are achieved with at least a 4-layer multilayer board, where there is a ground plane layer, a power supply layer, and two signal layers.
电路板至少需要4层才能实现最佳布局和性能：一个接地层、一个电源层和两个信号层。
This paper describes the method of Lowering PWB noise using condenser film, can lower resonance between the power supply layer and the ground layer and power supply ripple voltage effectively.
概述了利用电容膜降低PWB噪声的方法，可以有效地降低电源-地线层之间的谐振和电源脉动电压。
Based on the request of the power supply, the functions include map-layer management, space query of equipment, record query and fast repair decision on accident etc.
系统功能包括图层管理、设备空间查询、事故抢修支持、设备管理、耗材管理、报表处理和实时数据管理。
The poloidal field power supply control system of the nuclear fusion device-EAST is constituted of three layer networks: WINDOWS monitor layer, QNX realtime control layer, Fieldbus layer.
核聚变装置EAST极向场电源控制系统由三层网络组成：WINDOWS监测层、QNX实时控制层、现场总线执行层。
The power supply of ac TIG welding can be used to weld aluminium and magnesium which surface has a firm oxide layer.
交流TIG焊接电源可用来焊接铝、镁等表面有致密氧化膜的金属。
The power supply of ac TIG welding can be used to weld aluminium and magnesium which surface has a firm oxide layer.
交流TIG焊接电源可用来焊接铝、镁等表面有致密氧化膜的金属。
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