公开(公告)号：US11711928B2

公开(公告)日：2023-07-25

申请号：US18105856

申请日：2023-02-05

Applicant: Monolithic 3D Inc.

Inventor： Zvi Or-Bach ,  Jin-Woo Han ,  Brian Cronquist

IPC: H10B80/00 ,  H01L23/00 ,  H01L25/18 ,  H01L25/00 ,  H01L23/544 ,  H01L25/065

CPC classification number: H10B80/00 ,  H01L23/544 ,  H01L24/08 ,  H01L24/80 ,  H01L25/0657 ,  H01L25/18 ,  H01L25/50 ,  H01L2224/08145

Abstract: A semiconductor device, the device including: a first level including control circuits, where the control circuits include a plurality of first transistors and a plurality of metal layers; and a memory level disposed on top of the first level, where the memory level includes an array of memory cells, where each of the memory cells includes at least one second transistor, where the control circuits control access to the array of memory cells, where the first level is bonded to the memory level, where the bonded includes oxide to oxide bonding regions and a plurality of metal to metal bonding regions, and where at least a portion of the array of memory cells is disposed directly above at least one of the plurality of metal to metal bonding regions.

公开(公告)号：US11694922B2

公开(公告)日：2023-07-04

申请号：US18102710

申请日：2023-01-28

Applicant: Monolithic 3D Inc.

Inventor： Zvi Or-Bach ,  Deepak C. Sekar ,  Brian Cronquist

IPC: B23K26/36 ,  H01L21/762 ,  H01L29/423 ,  H01L21/84 ,  H01L27/12 ,  H01L27/15 ,  H01L25/18 ,  G02B6/12 ,  H01L29/66 ,  H01L23/00

CPC classification number: H01L21/76275 ,  G02B6/12002 ,  G02B6/12004 ,  H01L21/84 ,  H01L25/18 ,  H01L27/12 ,  H01L27/15 ,  H01L29/4236 ,  H01L29/66477 ,  G02B2006/12061 ,  H01L24/05 ,  H01L24/16 ,  H01L2224/05009 ,  H01L2224/0557 ,  H01L2224/05124 ,  H01L2224/05655 ,  H01L2224/16145

Abstract: A multi-level semiconductor device, the device including: a first level including integrated circuits; a second level including a structure designed to conduct electromagnetic waves, where the second level is disposed above the first level, where the integrated circuits include single crystal transistors; and an oxide layer disposed between the first level and the second level, where the integrated circuits include at least one processor, where the second level is bonded to the oxide layer, and where the bonded includes oxide to oxide bonds.

公开(公告)号：US20230197573A1

公开(公告)日：2023-06-22

申请号：US18109254

申请日：2023-02-13

Applicant: Monolithic 3D Inc.

Inventor： Zvi Or-Bach ,  Deepak C. Sekar ,  Brian Cronquist

IPC: H01L23/48 ,  H01L27/06 ,  H01L27/088 ,  H01L29/732 ,  H01L27/118 ,  H01L29/10 ,  H01L29/808 ,  H01L29/66 ,  H01L27/02 ,  H01L29/78 ,  H01L21/74 ,  H10B12/00 ,  H10B41/20 ,  H10B41/40 ,  H10B43/20 ,  H10B43/40 ,  H01L23/544 ,  H01L23/34 ,  H01L23/50

CPC classification number: H01L23/481 ,  H01L27/0688 ,  H01L27/088 ,  H01L29/732 ,  H01L27/11807 ,  H01L29/1066 ,  H01L29/808 ,  H01L29/66825 ,  H01L27/0207 ,  H01L29/66901 ,  H01L29/7841 ,  H01L29/66272 ,  H01L21/743 ,  H10B12/09 ,  H10B12/20 ,  H10B12/50 ,  H10B41/20 ,  H10B41/40 ,  H10B43/20 ,  H10B43/40 ,  H01L23/544 ,  H01L29/66704 ,  H01L23/34 ,  H01L23/50 ,  H01L27/0886 ,  H01L27/0623 ,  H01L2924/16152 ,  H01L2224/16225 ,  H01L2224/73253 ,  H01L2924/13091 ,  H01L2924/1461 ,  H01L2924/13062 ,  H01L2924/12032 ,  H01L2924/1305 ,  H10B63/30

Abstract: A 3D semiconductor device including: a first level including a plurality of first metal layers; a second level, where the second level overlays the first level, where the second level includes at least one single crystal silicon layer, where the second level includes a plurality of transistors, where each transistor of the plurality of transistors includes a single crystal channel, where the second level includes a plurality of second metal layers, where the plurality of second metal layers include interconnections between the transistors of the plurality of transistors, and where the second level is overlaid by a first isolation layer; and a connective path between the plurality of transistors and the plurality of first metal layers, where the connective path includes a via disposed through at least the single crystal silicon layer, and where the via includes contact with at least one of the plurality of transistors.

公开(公告)号：US20230187256A1

公开(公告)日：2023-06-15

申请号：US18106757

申请日：2023-02-07

Applicant: Monolithic 3D Inc.

Inventor： Zvi Or-Bach ,  Brian Cronquist ,  Deepak C. Sekar

IPC: H01L21/683 ,  H01L21/74 ,  H01L21/762 ,  H01L21/768 ,  H01L21/822 ,  H01L21/8238 ,  H01L21/84 ,  H01L23/48 ,  H01L23/525 ,  H01L27/02 ,  H01L27/06 ,  H01L27/092 ,  H01L27/10 ,  H01L27/105 ,  H01L27/118 ,  H01L27/12 ,  H01L29/423 ,  H01L29/66 ,  H01L29/78 ,  H01L29/788 ,  H01L29/792 ,  G11C8/16 ,  H10B10/00 ,  H10B12/00 ,  H10B20/00 ,  H10B41/20 ,  H10B41/40 ,  H10B41/41 ,  H10B43/20 ,  H10B43/40

CPC classification number: H01L21/6835 ,  G11C8/16 ,  H01L21/84 ,  H01L21/743 ,  H01L21/8221 ,  H01L21/76254 ,  H01L21/76898 ,  H01L21/823828 ,  H01L23/481 ,  H01L23/5252 ,  H01L27/10 ,  H01L27/092 ,  H01L27/105 ,  H01L27/0207 ,  H01L27/0688 ,  H01L27/1203 ,  H01L27/11807 ,  H01L27/11898 ,  H01L29/78 ,  H01L29/792 ,  H01L29/4236 ,  H01L29/7841 ,  H01L29/7843 ,  H01L29/7881 ,  H01L29/66272 ,  H01L29/66621 ,  H01L29/66825 ,  H01L29/66833 ,  H01L29/66901 ,  H10B10/00 ,  H10B10/125 ,  H10B12/09 ,  H10B12/20 ,  H10B12/50 ,  H10B12/053 ,  H10B20/00 ,  H10B41/20 ,  H10B41/40 ,  H10B41/41 ,  H10B43/20 ,  H10B43/40 ,  H01L23/3677 ,  H01L2924/13062

Abstract: A method for producing a 3D semiconductor device including: providing a first level including a first single crystal layer; forming a first metal layer on top of first level; forming a second metal layer on top of the first metal layer; forming at least one second level above the second metal layer; performing a first lithography step on the second level; forming a third level on top of the second level; performing a second lithography step on the third level; perform processing steps to form first memory cells within the second level and second memory cells within the third level, where first memory cells include at least one second transistor, and the second memory cells include at least one third transistor; and deposit a gate electrode for the second and the third transistors simultaneously.

公开(公告)号：US11605616B1

公开(公告)日：2023-03-14

申请号：US17986831

申请日：2022-11-14

Applicant: Monolithic 3D Inc.

Inventor： Zvi Or-Bach ,  Brian Cronquist

IPC: H01L23/528 ,  H01L25/065 ,  H01L21/768 ,  H01L23/48 ,  H01L23/485 ,  H01L23/522 ,  H01L27/06 ,  H01L29/66 ,  H01L21/74 ,  H01L25/00 ,  H01L23/00 ,  H01L27/088 ,  H01L27/092 ,  H01L29/423 ,  H01L29/78

Abstract: A semiconductor device, the device including: a first silicon layer including a first single crystal silicon; a first metal layer disposed over the first silicon layer; a second metal layer disposed over the first metal layer; a first level including a plurality of transistors, the first level disposed over the second metal layer, where the plurality of transistors include a second single crystal silicon; a third metal layer disposed over the first level; a fourth metal layer disposed over the third metal layer, where the fourth metal layer is aligned to the first metal layer with a less than 40 nm alignment error; and a via disposed through the first level, where the first level thickness is less than two microns.

公开(公告)号：US20230041344A1

公开(公告)日：2023-02-09

申请号：US17947752

申请日：2022-09-19

Applicant: Monolithic 3D Inc.

Inventor： Zvi Or-Bach ,  Jin-Woo Han ,  Brian Cronquist ,  Eli Lusky

IPC: H01L25/065 ,  H01L23/00 ,  H01L25/18

Abstract: A 3D device, the device including: at least a first level including logic circuits; and at least a second level bonded to the first level, where the second level includes a plurality of transistors, where the device include connectivity structures, where the connectivity structures include at least one of the following: a. differential signaling, or b. radio frequency transmission lines, or c. Surface Waves Interconnect (SWI) lines, and where the bonded includes oxide to oxide bond regions and metal to metal bond regions.

公开(公告)号：US20230019049A1

公开(公告)日：2023-01-19

申请号：US17945459

申请日：2022-09-15

Applicant: Monolithic 3D Inc.

Inventor： Zvi Or-Bach ,  Brian Cronquist ,  Deepak C. Sekar

IPC: H01L21/683 ,  H01L21/74 ,  H01L21/762 ,  H01L21/768 ,  H01L21/822 ,  H01L21/8238 ,  H01L21/84 ,  H01L23/48 ,  H01L23/525 ,  H01L27/02 ,  H01L27/06 ,  H01L27/092 ,  H01L27/10 ,  H01L27/105 ,  H01L27/108 ,  H01L27/11 ,  H01L27/112 ,  H01L27/11526 ,  H01L27/11529 ,  H01L27/11551 ,  H01L27/11573 ,  H01L27/11578 ,  H01L27/118 ,  H01L27/12 ,  H01L29/423 ,  H01L29/66 ,  H01L29/78 ,  H01L29/788 ,  H01L29/792 ,  G11C8/16

Abstract: A 3D semiconductor device including: a first single crystal layer with first transistors; overlaid by a first metal layer; a second metal layer overlaying the first metal layer and being overlaid by a third metal layer; a logic gates including at least the first metal layer interconnecting the first transistors; second transistors disposed atop the third metal layer; third transistors disposed atop the second transistors; a top metal layer disposed atop the third transistors; and a memory array including word-lines, and at least four memory mini arrays, where each of the memory mini arrays includes at least four rows by four columns of memory cells, where each of the memory cells includes at least one of the second transistors or third transistors, sense amplifier circuit(s) for each of the memory mini arrays, the second metal layer provides a greater current carrying capacity than the third metal layer.

公开(公告)号：US20230017372A1

公开(公告)日：2023-01-19

申请号：US17951545

申请日：2022-09-23

Applicant: Monolithic 3D Inc.

Inventor： Zvi Or-Bach ,  Deepak C. Sekar ,  Brian Cronquist

IPC: H01L27/146 ,  H01L23/544 ,  H01L23/00 ,  H04N5/372 ,  H04N5/378 ,  H04N5/369

Abstract: An integrated device, the device including: a first level including a first mono-crystal layer, the first mono-crystal layer including a plurality of single crystal transistors; an overlying oxide disposed on top of the first level; a second level including a second mono-crystal layer, the second level overlaying the oxide, where the second mono-crystal layer includes a plurality of semiconductor devices; a third level overlaying the second level, where the third level includes a plurality of image sensors, where the first level includes a plurality of landing pads, where the second level is bonded to the first level, where the bonded includes an oxide to oxide bond; and an isolation layer disposed between the second mono-crystal layer and the third level.

公开(公告)号：US11527416B2

公开(公告)日：2022-12-13

申请号：US17846010

申请日：2022-06-22

Applicant: Monolithic 3D Inc.

Inventor： Zvi Or-Bach ,  Brian Cronquist ,  Deepak Sekar

IPC: H01L23/498 ,  H01L21/48 ,  H01L23/34 ,  H01L27/02 ,  H01L21/8234 ,  H01L27/06 ,  H01L27/098 ,  H01L23/522 ,  H01L23/367 ,  H01L27/092 ,  H01L25/00 ,  H01L23/60 ,  H01L25/065 ,  H01L23/373

Abstract: A method for producing a 3D semiconductor device: providing a first level with a first single crystal layer; forming a plurality of first transistors in and/or on the first level with a first metal layer above; forming a second metal layer above the first metal layer; forming a third metal layer above the second metal layer; forming at least one second level on top of or above the third metal layer; performing a first etch step; performing additional processing steps to form a plurality of second transistors within the second level; forming a fourth metal layer above; forming a connection to the second metal layer which includes a via through the second level; forming a fifth metal layer above, where some second transistors include a metal gate, and the fifth metal layer thickness is at least 50% greater than the second metal layer thickness.

公开(公告)号：US11508605B2

公开(公告)日：2022-11-22

申请号：US17734867

申请日：2022-05-02

Applicant: Monolithic 3D Inc.

Inventor： Zvi Or-Bach ,  Brian Cronquist ,  Deepak C. Sekar

IPC: H01L21/336 ,  H01L21/683 ,  H01L21/74 ,  H01L21/762 ,  H01L21/768 ,  H01L21/822 ,  H01L21/8238 ,  H01L21/84 ,  H01L23/48 ,  H01L23/525 ,  H01L27/02 ,  H01L27/06 ,  H01L27/092 ,  H01L27/10 ,  H01L27/105 ,  H01L27/108 ,  H01L27/11 ,  H01L27/112 ,  H01L27/11526 ,  H01L27/11529 ,  H01L27/11551 ,  H01L27/11573 ,  H01L27/11578 ,  H01L27/118 ,  H01L27/12 ,  H01L29/423 ,  H01L29/66 ,  H01L29/78 ,  H01L29/788 ,  H01L29/792 ,  H01L23/367 ,  H01L25/065 ,  H01L25/00 ,  H01L23/00

Abstract: A 3D semiconductor device including: a first single crystal layer including a plurality of first transistors and a first metal layer, where a second metal layer is disposed atop the first metal layer; a plurality of logic gates including the first metal layer and first transistors; a plurality of second transistors disposed atop the second metal layer; a plurality of third transistors disposed atop the second transistors; a top metal layer disposed atop the third transistors; and a memory array including word-lines, where the memory array includes at least four memory mini arrays, where each of the mini arrays includes at least two rows by two columns of memory cells, where each memory cell includes one of the second transistors or one of the third transistors, and where one of the second transistors is self-aligned to one of the third transistors, being processed following a same lithography step.