[問題] 關於用半導體而不用導體
關於半導體的問題
不好意思小弟是文組的, 完全初學者
還請各位鞭輕一點,最近由於工作接觸到半導體廠商,
關於目前的電子通訊產品內為什麼用了大量的半導體元件?有點不懂的地方.
上網查了,半導體材料具有一定條件下導通或不導通的特性,可以以此特性來做為
開關或能量增減的控制元件,因此取代導體.這點可以理解
但是若只是基於上述原因,那我同樣的用導體接通,用手動來控制導通或不導通
不就OK了?
反正半導體元件也無法自行判斷是否導通,還是要人為控制,那不是一樣意思嗎?
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