1990-10-25
1992-06-16
James, Andrew J.
357 68, 357 44, H01L 2906, H01L 2902, H01L 2948, H01L 2944
Patent
active
051228564
ABSTRACT:
A semiconductor device having a semiconductor layer, in which an active device such as a MOS or bipolar transistor in the front surface area of the semiconductor layer, and a device for communicating the front and rear surfaces of the semiconductor layer is formed therein in connection with one of the electrodes of the active device and exposes to a groove formed in the rear surface of the semiconductor layer. A three-dimensional semiconductor device including at least two semiconductor devices stacked one on another is also disclosed.
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James Andrew J.
Meier Stephen D.
Nissan Motor Co,. Ltd.
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