PCB Layout Knowledge: Practical Rules for Reliable Boards
PCB layout quality depends on placement, routing, return paths, power loops, spacing, test access, and DFM review before fabrication.
Why there is no copper in the hole of multi-layer circuit board and the improvement measures
To measure the technological level of a circuit board manufacturer, the first thing that comes to mind is the number of layers of the production and processing circuit board. So the multi-layer circuit board is more strict in the process of production. The multi-layer circuit board needs to sink copper in the hole, so that … Continued
What is the difference between FPC solder mask and overlay?
When designing flexible circuit boards, have you encountered troubles in choosing solder masks and overlays? The solder mask and the cover layer have the same basic insulation function. Do you know the difference between the solder mask and the cover layer? Can the solder mask and the cover layer be overlapped for insulation? Do you … Continued
What is FPC mold?
Recently, many customers asked me, what does the flexible circuit board mold include? And why do we need to open the mold? How many types of molds are there for flexible circuit boards? How to choose a suitable mold for flexible circuit boards? Today, let us understand the flexible circuit board mold together. FPC molds … Continued
Chinese and English translation of China PWB equipment name
China PWB has many advanced equipments, and it is difficult for Chinese engineers to understand english. Here we will translate some main machine name for easy study. China PWB equipments name 自动外观检测仪 Automatic PCB visual inspection machine检孔机 Hole inspection machine离子污染测试仪 Ionic contamination tester电测 e-test低阻四线飞针测试仪 High Speed Fly Probe TesterAOI 检测 AOI inspection 板料仓库 board material … Continued