[問題] FET內部構造
最近剛學到FET
不過課本中的簡圖讓我有點不太了解
N通道JFET的閘極是說鍍兩片P金屬在中間
想請問一下
是真的和圖一樣是在兩側(google來的http://goo.gl/AXCjb )
還是實際上是鍍一圈的呢?
而MOSFET
每張圖畫起來都感覺像是切面(google來的http://goo.gl/fBKzm )
而實際內部是做成這樣方形的嗎?
不過光看這樣的結構
感覺真的很複雜
要製作起來應該很困難吧?!
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