IP Library Granted Patent US 12,563,752
Granted Patent B2
US 12,563,752 · App. 18/241,954 · Granted Feb 24, 2026

3D semiconductor devices and structures with electronic circuit units

Inventors: Zvi Or-Bach (Haifa, IL); Jin-Woo Han (San Jose, CA); Brian Cronquist (Klamath Falls, OR)
Assignee: Monolithic 3D Inc.
H10B80/00H01L24/05H01L24/06H01L24/08H01L25/18H01L25/50H01L24/80H01L2224/05624H01L2224/05647H01L2224/06131H01L2224/08145H01L2224/80896
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Quick Facts
Patent No.
US 12,563,752
App. No.
18/241,954
Granted
Feb 24, 2026
Kind
B2
Abstract

A 3D device including: a first level including first transistors and a first interconnect; a second level including second transistors, the second level overlaying the first level; and at least four electronic circuit units (ECUs), where each of the ECUs include a first circuit, the first circuit including a portion of the first transistors, where each of the ECUs includes a second circuit, the second circuit including a portion of the second transistors, where each of the ECUs includes a first vertical bus, where the first vertical bus provides electrical connections between the first circuit and the second circuit, where each of the ECUs includes at least one processor and at least one memory array, where the second level is bonded to the first level, and where the bonded includes oxide to oxide bonding regions and metal to metal bonding regions.

Claims (74)

1 . A 3D device, said device comprising:

a first level comprising first transistors, said first level comprising a first interconnect;

a second level comprising second transistors, said second level overlaying said first level; and

at least four electronic circuit units (ECUs),

wherein each of said at least four ECUs comprises a first circuit, said first circuit comprising a portion of said first transistors,

wherein each of said at least four ECUs comprises a second circuit, said second circuit comprising a portion of said second transistors,

wherein each of said at least four ECUs comprises a first vertical bus,

wherein said first vertical bus provides electrical connections between said first circuit and said second circuit,

wherein each of said at least four ECUs comprises at least one processor and at least one memory array,

wherein said second level is bonded to said first level, and

wherein said bonded comprises oxide to oxide bonding regions and metal to metal bonding regions.

2 . The device according to claim 1 , further comprising:

a third level comprising third transistors, said third level overlaying said second level,

wherein each of said at least four ECUs comprises a third circuit, said third circuit comprising a portion of said third transistors.

3 . The device according to claim 1 ,

wherein said second level comprises an array of memory cells.

4 . The device according to claim 1 ,

wherein said first vertical bus comprises greater than eight pillars and less than three hundred pillars.

5 . The device according to claim 1 ,

wherein at least one of said ECUs comprises a second vertical bus.

6 . The device according to claim 1 ,

wherein said first vertical bus comprises redundant vertical pillars to support increased yield for said first vertical bus.

7 . The device according to claim 1 ,

wherein a plurality of said pillars are connected to one horizontal memory control line.

8 . A 3D device, said device comprising:

a first level comprising first transistors, said first level comprising a first interconnect;

a second level comprising second transistors, said second level overlaying said first level; and

at least four electronic circuit units (ECUs),

wherein each of said at least four ECUs comprises a first circuit, said first circuit comprising a portion of said first transistors,

wherein each of said at least four ECUs comprises a second circuit, said second circuit comprising a portion of said second transistors,

wherein each of said at least four ECUs comprises a first vertical bus,

wherein said first vertical bus provides electrical connections between said first circuit and said second circuit,

wherein said second level is bonded to said first level,

wherein said bonded comprises oxide to oxide bonding regions and metal to metal bonding regions, and

wherein at least one of said metal to metal bonding regions overlays at least a portion of at least one of said ECUs.

9 . The device according to claim 8 , further comprising:

a third level comprising third transistors, said third level overlaying said second level,

wherein each of said at least four ECUs comprises a third circuit, said third circuit comprising a portion of said third transistors.

10 . The device according to claim 8 ,

wherein each of said ECU comprises an array of memory cells.

11 . The device according to claim 8 ,

wherein at least one of said at least four ECUs comprises a plurality of power delivery vertical pillars.

12 . The device according to claim 8 ,

wherein each of said at least four ECUs comprises a second vertical bus, and

wherein said second vertical bus comprises greater than eight hundred pillars.

13 . The device according to claim 8 ,

wherein said first vertical bus comprises redundant vertical pillars to support increased yield for said first vertical bus.

14 . The device according to claim 8 ,

wherein a plurality of said pillars are connected to one horizontal memory control line.

15 . A 3D device, said device comprising:

a first level comprising first transistors, said first level comprising a first interconnect;

a second level comprising second transistors, said second level overlaying said first level; and

at least four electronic circuit units (ECUs),

wherein each of said at least four ECUs comprises at least one processor and at least one memory array,

wherein each of said at least four ECUs comprises a first circuit, said first circuit comprising a portion of said first transistors,

wherein each of said at least four ECUs comprises a second circuit, said second circuit comprising a portion of said second transistors,

wherein each of said at least four ECUs comprises a first vertical bus,

wherein each of said at least four ECUs comprises at least one memory array,

wherein said first vertical bus provides electrical connections between said first circuit and said second circuit,

wherein said device comprises a plurality of capacitors,

wherein said second level is bonded to said first level, and

wherein said bonded comprises oxide to oxide bonding regions and metal to metal bonding regions.

16 . The device according to claim 15 , further comprising:

a third level comprising third transistors, said third level overlaying said second level,

wherein each of said at least four ECUs comprises a third circuit, said third circuit comprising a portion of said third transistors.

17 . The device according to claim 15 ,

wherein each of said ECU comprises an array of memory cells.

18 . The device according to claim 15 ,

wherein said first vertical bus is designed according to an industry standard.

19 . The device according to claim 15 ,

wherein each of said at least four ECUs comprises a second vertical bus, and

wherein said second vertical bus comprises greater than eight hundred pillars.

20 . The device according to claim 15 ,

wherein said first vertical bus comprises redundant vertical pillars to support increased yield for said first vertical bus.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 12, 2023
From: OR-BACH, ZVI; CRONQUIST, BRIAN; HAN, JIN-WOO
To: MONOLITHIC 3D INC.
Reel/Frame 065204/0780 →
Continuity (12)
Continuation In Part 18104299 · Feb 1, 2023
Continuation In Part 17951099 · Sep 23, 2022
Continuation In Part 17581977 · Jan 24, 2022
Continuation In Part 17151867 · Jan 19, 2021
Provisional Application 63123464 · Dec 9, 2020
Provisional Application 63118908 · Nov 28, 2020
Provisional Application 63115000 · Nov 17, 2020
Provisional Application 63108433 · Nov 1, 2020
Provisional Application 62986772 · Mar 9, 2020
Provisional Application 62983559 · Feb 28, 2020
Provisional Application 62963166 · Jan 20, 2020
Related Publication 20230413586A1 · Dec 21, 2023
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