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EMMI偵測的到亮點、熱點(Hot Spot)情況;原來就會有的亮點、熱點(Hot Spot)飽和區操作中的BJT或MOS(Saturated Or Active Bipolar Transistors /Saturated MOS)動態式CMOS (Dynamic CMOS)二極管順向與逆向偏壓崩潰 (Forward Biased Diodes /Reverse Biased Diodes Breakdown)偵測不到亮點情況不會出現亮點的故障奧姆或金屬的短路(Ohmic Short / metal Short)亮點被遮蔽之情況埋入式接面的漏電區(Buried Juncti)金屬線底下的漏電區(Leakage Sites Under metal)