Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Having insulated electrode
Patent
1996-12-12
1999-07-27
Hardy, David B.
Active solid-state devices (e.g., transistors, solid-state diode
Field effect device
Having insulated electrode
257508, H01L 2701
Patent
active
059294884
ABSTRACT:
Formed on a grounded semiconductor substrate, via an insulation layer, is a semiconductor layer of the same conductive type as that of the substrate. Formed on the semiconductor layer are source and drain regions of the different conductive type from that of the substrate. The drain region is formed so that its portion reaches the insulation layer. A gate insulation film is formed on the semiconductor layer and a gate electrode is formed on the gate insulation film and between the source and drain regions. A conductive member is embedded in a through hole formed from a portion of the semiconductor layer to the semiconductor substrate via the insulation layer. A source electrode is formed so that the conductive member in the through hole and the source region are connected to each other by means of the source electrode. A drain electrode is connected to the drain region. A common source MOS device is thus formed without a wiring to ground the source by means of the conductive member embedded in the through hole that connects the source electrode to the grounded semiconductor substrate.
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Bui Huy
Hardy David B.
Kabushiki Kaisha Toshiba
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