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原创 cadence Allegro PCB Design中关于Setup-Layout Cross Section里shield的官方解释

最近画板，发现不知道Setup-Layout Cross Section里shield是什么意思，百度了一大圈也没有满意的答案，所以自己找了官方文档的解释：Shield Designates the currently selected plane layer as a shield layer. The shield layer prevents the electrical signals from two adjacent layers from interacting with each othe