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在普通的BOOST或BUCK中
電感下面敷銅有沒有好處和壞處？
1假如一個4層板，是每一層都不要敷地嗎，產生渦流是一整垮地會產生，還是長條形的地才會產生，
2電感在頂層，然後在底層敷一整塊地也會產生渦流，消除磁力線嗎
