公开(公告)号：US11791222B2

公开(公告)日：2023-10-17

申请号：US18111300

申请日：2023-02-17

Applicant: Monolithic 3D Inc.

Inventor： Zvi Or-Bach ,  Brian Cronquist

IPC: H01L21/84 ,  H01L23/528 ,  H01L21/762 ,  H01L23/367 ,  H01L23/522 ,  H01L27/12

CPC classification number: H01L21/845 ,  H01L21/76267 ,  H01L21/76283 ,  H01L23/3677 ,  H01L23/5226 ,  H01L23/5283 ,  H01L23/5286 ,  H01L27/1211

Abstract: A semiconductor device, the device including: a first silicon layer including a first single crystal silicon layer; a first metal layer disposed over the first single crystal silicon layer; a second metal layer disposed over the first metal layer; a third metal layer disposed over the second metal layer; a second level including a plurality of transistors, the second level disposed over the third metal layer; a fourth metal layer disposed over the second level; a fifth metal layer disposed over the fourth metal layer; and a via disposed through the second level, where the via has a diameter of less than 450 nm, and where a typical thickness of the fifth metal layer is greater than a typical thickness of the third metal layer by at least 50%.

公开(公告)号：US20230275111A1

公开(公告)日：2023-08-31

申请号：US18141975

申请日：2023-05-01

Applicant: Monolithic 3D Inc.

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

IPC: H01L27/146 ,  H01L27/148

CPC classification number: H01L27/14634 ,  H01L27/14881 ,  H01L27/14687 ,  H01L27/1469 ,  H01L27/14812

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 image sensors, where the second level is bonded to the first level, where the bonded includes an oxide to oxide bond; and a plurality of pixel control circuits, where each of the plurality of image sensors is directly connected to at least one of the plurality of pixel control circuits, and where the integrated device includes a plurality of memory circuits.

公开(公告)号：US20230268321A1

公开(公告)日：2023-08-24

申请号：US18141415

申请日：2023-04-29

Applicant: Monolithic 3D Inc.

Inventor： Zvi Or-Bach ,  Brian Cronquist

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

CPC classification number: H01L25/0657 ,  H01L21/76898 ,  H01L23/481 ,  H01L23/485 ,  H01L23/522 ,  H01L27/0688 ,  H01L29/66621 ,  H01L21/743 ,  H01L25/50 ,  H01L24/25 ,  H01L27/088 ,  H01L2924/12032 ,  H01L2924/13091 ,  H01L2924/351 ,  H01L2924/0002 ,  H01L27/092

Abstract: A semiconductor device, the device including: a first substrate; a first metal layer disposed over the substrate; 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 100 nm alignment error; and a via disposed through the first level, where the via has a diameter of less than 450 nm, where the fourth metal layer provides a global power distribution, and where a typical thickness of the fourth metal layer is at least 50% greater than a typical thickness of the third metal.

公开(公告)号：US20230260826A1

公开(公告)日：2023-08-17

申请号：US18138110

申请日：2023-04-23

Applicant: Monolithic 3D Inc.

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

IPC: H01L21/74

CPC classification number: H01L21/743

Abstract: A 3D device includes a first level including a first single crystal layer with control circuitry, where the control circuitry includes first single crystal transistors; a first metal layer atop first single crystal layer; a second metal layer atop the first metal layer; a third metal layer atop the second metal layer; second level (includes a plurality of second transistors) atop the third metal layer; a fourth metal layer disposed above the one second level; a fifth metal layer atop the fourth metal layer, where the second level includes at least one first oxide layer overlaid by a transistor layer and then overlaid by a second oxide layer; a global power distribution grid, which includes the fifth metal layer; a local power distribution grid including at least one second transistor, the thickness of the fifth metal layer is at least 50% greater than the thickness of the second metal layer.

公开(公告)号：US20230253408A1

公开(公告)日：2023-08-10

申请号：US18136335

申请日：2023-04-18

Applicant: Monolithic 3D Inc.

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

IPC: H01L27/12 ,  H01L21/762 ,  H01L25/18 ,  H01L27/15 ,  H01L23/00 ,  H01L25/16 ,  G02B6/12

CPC classification number: H01L27/1203 ,  H01L21/76254 ,  H01L25/18 ,  H01L27/15 ,  H01L24/32 ,  H01L25/167 ,  G02B6/12004 ,  H01L2224/05655 ,  H01L24/05 ,  H01L24/16 ,  H01L2224/16145 ,  H01L2224/32145 ,  H01L33/0093

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 memory circuit, where the second level is bonded to the oxide layer, and where the bonded includes oxide to oxide bonds.

公开(公告)号：US20230253296A1

公开(公告)日：2023-08-10

申请号：US18136336

申请日：2023-04-19

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, the 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 at least one of the transistors includes a four sided gate.

公开(公告)号：US20230187397A1

公开(公告)日：2023-06-15

申请号：US18106484

申请日：2023-02-07

Applicant: Monolithic 3D Inc.

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

IPC: H01L23/00 ,  H01L25/16 ,  H01L23/473 ,  H01L23/66 ,  H10B80/00

CPC classification number: H01L24/08 ,  H01L23/66 ,  H01L23/473 ,  H01L24/80 ,  H01L25/16 ,  H01L25/167 ,  H10B80/00 ,  H01L2223/6616 ,  H01L2223/6627 ,  H01L2224/8013 ,  H01L2224/08145 ,  H01L2224/80895 ,  H01L2224/80896 ,  H01L2924/1011 ,  H01L2924/1431 ,  H01L2924/1436 ,  H01L2924/1443 ,  H01L2924/10253

Abstract: A 3D semiconductor device comprising: a first level; and a second level, wherein said first level comprises single crystal silicon and a plurality of logic circuits, wherein said plurality of logic circuits each comprise first transistors, wherein said second level is disposed above said first level and comprises a plurality of arrays of memory cells, said second level comprises a plurality of second transistors, wherein each of said memory cells comprises at least one of said second transistors, wherein said first level is bonded to said second level, wherein said bonded comprises regions of oxide to oxide bonds, wherein said bonded comprises regions of metal to metal bonds; and a thermal isolation layer disposed between said first level and said second level, wherein said thermal isolation layer provides a greater than 20° C. differential temperature between said first level and said second level during nominal operation of said device.

公开(公告)号：US11670536B2

公开(公告)日：2023-06-06

申请号：US18092253

申请日：2022-12-31

Applicant: Monolithic 3D Inc.

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

IPC: H01L23/48 ,  H01L21/74

CPC classification number: H01L21/743

Abstract: A 3D device includes a first level including a first single crystal layer with control circuitry, where the control circuitry includes first single crystal transistors; a first metal layer atop first single crystal layer; a second metal layer atop the first metal layer; a third metal layer atop the second metal layer; second level (includes a plurality of second transistors) atop the third metal layer; a fourth metal layer disposed above the one second level; a fifth metal layer atop the fourth metal layer, where the second level includes at least one first oxide layer overlaid by a transistor layer and then overlaid by a second oxide layer; a global power distribution grid, which includes the fifth metal layer; a local power distribution grid, which includes the second metal layer, the thickness of the fifth metal layer is at least 50% greater than the thickness of the second metal layer.

公开(公告)号：US20230170250A1

公开(公告)日：2023-06-01

申请号：US18102710

申请日：2023-01-28

Applicant: Monolithic 3D Inc.

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

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

CPC classification number: H01L21/76275 ,  H01L29/66477 ,  H01L29/4236 ,  H01L21/84 ,  H01L27/12 ,  H01L27/15 ,  H01L25/18 ,  G02B6/12002 ,  G02B6/12004 ,  H01L24/05

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：US20230170243A1

公开(公告)日：2023-06-01

申请号：US17693282

申请日：2022-03-11

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

Abstract: A 3D semiconductor device, the device including: a first level including a first single crystal layer and first single crystal transistors; a first metal layer; a second metal layer disposed atop the first metal layer; second transistors disposed atop of the second metal layer; third transistors disposed atop of the second transistors, where at least one of the third transistors includes at least one replacement gate, being processed to replace a non-metal gate material with a metal based gate, and where a distance from at least one of the third transistors to at least one of the first transistors is less than 2 microns.