11-04-2019 дата публикации
Номер: US20190109049A1
A 3D semiconductor device including: a first level comprising first single crystal transistors, a first metal layer, and a plurality of latches; a second level comprising a plurality of second transistors, wherein said second level comprises first memory cells, and wherein said first memory cells each comprise at least one of said plurality of second transistors; a third level comprising a plurality of third transistors, wherein said third level comprises second memory cells, wherein said second memory cells each comprise at least one of said plurality of third transistors, wherein said second level overlays said first level, and wherein said third level overlays said second level; a second metal layer overlaying said third level, said second metal layer comprising a plurality of bit-lines, wherein said plurality of second transistors are aligned to said first single crystal transistors with less than 100 nm alignment error, wherein said plurality of second transistors are junction-less transistors, and wherein each of said plurality of bit lines is connected to at least one of said plurality of latches. 1. A 3D semiconductor device , the device comprising:a first level comprising first single crystal transistors, a first metal layer, and a plurality of latches; wherein said second level comprises first memory cells, and', 'wherein said first memory cells each comprise at least one of said plurality of second transistors;, 'a second level comprising a plurality of second transistors,'} wherein said third level comprises second memory cells,', 'wherein said second memory cells each comprise at least one of said plurality of third transistors,', 'wherein said second level is above said first level, and', 'wherein said third level is above said second level;, 'a third level comprising a plurality of third transistors,'} wherein said plurality of second transistors are aligned to said first single crystal transistors with less than 150 nm alignment error,', 'wherein ...
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