公开(公告)号：US20250098182A1

公开(公告)日：2025-03-20

申请号：US18963630

申请日：2024-11-28

Applicant: Monolithic 3D Inc.

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

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

Abstract: A semiconductor device including: a first level including at least four independently controlled first memory arrays, where the first level includes first transistors; a second level disposed on top of the first level, where the second level includes second memory arrays; and a third level disposed on top of the second level, where the third level includes third transistors, at least one metal layer, and third memory arrays; a fourth level disposed on top of the third level, where the fourth level includes fourth transistors, another at least one metal layer, and is bonded to the third level, where the bonded includes metal-to-metal bonding regions, where the first level includes first filled holes, where the second level includes second filled holes; and a via connection through the second level and the third level, and where the fourth level includes at least one SRAM memory array.

公开(公告)号：US12225737B2

公开(公告)日：2025-02-11

申请号：US18596623

申请日：2024-03-06

Applicant: Monolithic 3D Inc.

Inventor： Deepak C. Sekar ,  Zvi Or-Bach

IPC: H10B63/00 ,  H01L21/268 ,  H01L21/683 ,  H01L21/762 ,  H01L21/822 ,  H01L21/84 ,  H01L27/06 ,  H01L27/12 ,  H01L29/423 ,  H01L29/78 ,  H10B10/00 ,  H10B12/00 ,  H10B41/20 ,  H10B41/41 ,  H10B43/20 ,  H10B61/00 ,  H01L27/105 ,  H10B41/40 ,  H10B43/40 ,  H10N70/00 ,  H10N70/20

Abstract: A method for producing a 3D semiconductor device including: providing a first level, including a single crystal layer; forming memory control circuits in and/or on the first level which include first single crystal transistors and at least two interconnection metal layers; forming at least one second level disposed above the memory control circuits; performing a first etch step into the second level; forming at least one third level on top of the second level; performing additional processing steps to form first memory cells within the second level and second memory cells within the third level, where each of the first memory cells include at least one second transistor including a metal gate, where each of the second memory cells include at least one third transistor; and performing bonding of the first level to the second level, where the bonding includes oxide to oxide bonding.

公开(公告)号：US12225727B2

公开(公告)日：2025-02-11

申请号：US18738967

申请日：2024-06-10

Applicant: Monolithic 3D Inc.

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

IPC: H10B43/27 ,  H01L23/00 ,  H01L25/065 ,  H01L25/18 ,  H10B80/00

Abstract: A 3D memory device including: a first structure including a plurality of memory cells, where each memory cell of the plurality of memory cells includes at least one memory transistor, where each of the at least one memory transistor includes a source, a drain, and a channel, where the memory cell includes at least one charge trap structure, and where the at least one memory transistor is self-aligned to an overlaying another the at least one memory transistor, both being processed following a same lithography step; and a control level including a memory controller circuit, where the control level includes a plurality of latch sense amplifiers, where the control level is bonded to the first structure, and where the bonded includes hybrid bonding.

公开(公告)号：US12219769B2

公开(公告)日：2025-02-04

申请号：US18738721

申请日：2024-06-10

Applicant: Monolithic 3D Inc.

Inventor： Zvi Or-Bach ,  Jin-Woo Han

IPC: H10B43/27 ,  H01L23/528 ,  H01L27/02 ,  H01L29/167 ,  H01L29/47 ,  H01L29/78 ,  H01L29/792 ,  H10B41/10 ,  H10B41/20 ,  H10B43/10 ,  H10B43/20 ,  H10B53/20

Abstract: A 3D semiconductor device including: a first level including a single crystal layer and a memory control circuit including first transistors and at least one cache memory unit; a first metal layer overlaying the single crystal layer; a second metal layer overlaying the first metal layer; a third metal layer overlaying the second metal layer; second transistors disposed atop the third metal layer with at least one including a metal gate; third transistors disposed atop the second transistors; a fourth metal layer atop the third transistors; a memory array including word-lines and at least four memory mini arrays, each including at least four rows by four columns of memory cells, each of the memory cells includes at least one of the second transistors or at least one of the third transistors; a connection path from the fourth metal to the third metal including a via disposed through the memory array.

公开(公告)号：US20250006544A1

公开(公告)日：2025-01-02

申请号：US18829079

申请日：2024-09-09

Applicant: Monolithic 3D Inc.

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

IPC: H01L21/683 ,  G11C8/16 ,  H01L21/74 ,  H01L21/762 ,  H01L21/768 ,  H01L21/822 ,  H01L21/8238 ,  H01L21/84 ,  H01L23/00 ,  H01L23/367 ,  H01L23/48 ,  H01L23/525 ,  H01L25/00 ,  H01L25/065 ,  H01L27/02 ,  H01L27/06 ,  H01L27/092 ,  H01L27/118 ,  H01L27/12 ,  H01L29/423 ,  H01L29/66 ,  H01L29/78 ,  H01L29/788 ,  H01L29/792 ,  H10B10/00 ,  H10B12/00 ,  H10B20/00 ,  H10B20/25 ,  H10B41/20 ,  H10B41/40 ,  H10B41/41 ,  H10B43/20 ,  H10B43/40

Abstract: A 3D semiconductor device, the device including: a first level including a first single crystal layer and including first transistors which each includes a single crystal channel; a first metal layer; a second metal layer overlaying the first metal layer; a second level including second transistors, first memory cells including at least one second transistor, and overlaying the second metal layer; a third level including third transistors and overlaying the second level; a fourth level including fourth transistors, second memory cells including at least one fourth transistor, and overlaying the third level, where at least one of the second transistors includes a metal gate, where the first level includes memory control circuits which control writing to the second memory cells, and at least one Phase-Lock-Loop (“PLL”) circuit or at least one Digital-Lock-Loop (“DLL”) circuit.

公开(公告)号：US20240429086A1

公开(公告)日：2024-12-26

申请号：US18829107

申请日：2024-09-09

Applicant: Monolithic 3D Inc.

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

IPC: H01L21/683 ,  G11C8/16 ,  H01L21/74 ,  H01L21/762 ,  H01L21/768 ,  H01L21/822 ,  H01L21/8238 ,  H01L21/84 ,  H01L23/00 ,  H01L23/367 ,  H01L23/48 ,  H01L23/525 ,  H01L25/00 ,  H01L25/065 ,  H01L27/02 ,  H01L27/06 ,  H01L27/092 ,  H01L27/118 ,  H01L27/12 ,  H01L29/423 ,  H01L29/66 ,  H01L29/78 ,  H01L29/788 ,  H01L29/792 ,  H10B10/00 ,  H10B12/00 ,  H10B20/00 ,  H10B20/25 ,  H10B41/20 ,  H10B41/40 ,  H10B41/41 ,  H10B43/20 ,  H10B43/40

Abstract: A 3D semiconductor device, the device including: a first level including a first single crystal layer, the first level including first transistors, where each of the first transistors includes a single crystal channel; first metal layers interconnecting at least the first transistors; a first oxide layer disposed atop of the first level; a second level including second transistors and at least one array of memory cells, where each of the memory cells includes at least one of the second transistors, where the second level overlays the first level, where the at least one of the second transistors includes a recessed channel, and where the second level is directly bonded to the first level.

公开(公告)号：US20240403533A1

公开(公告)日：2024-12-05

申请号：US18800058

申请日：2024-08-10

Applicant: Monolithic 3D Inc.

Inventor： Zvi Or-Bach ,  Zeev Wurman

IPC: G06F30/392 ,  G06F30/394

Abstract: A method of designing a 3D Integrated Circuit including: partitioning at least one design into at least two levels, a first level and a second level, where the first level includes first transistors, where the second level includes second transistors and is disposed on top of the first level; levels connection pads (LCPs) disposed between the first level and second level; providing placement of the LCPs; performing a placement of the first level using a placer program executed by a computer, where the placement of the first level is based on the placement of the LCPs, where the placer is part of a Computer Aided Design (CAD) tool, where the first level includes first routing layers; performing a routing of the first level by routing layers using a router executed by a computer, where the router is a part of the CAD tool or a part of another CAD tool.

公开(公告)号：US20240379837A1

公开(公告)日：2024-11-14

申请号：US18778978

申请日：2024-07-20

Applicant: Monolithic 3D Inc.

Inventor： Zvi Or-Bach

IPC: H01L29/78 ,  G11C11/404 ,  G11C11/4097 ,  G11C11/412 ,  G11C16/02 ,  G11C16/04 ,  H10B10/00 ,  H10B12/00 ,  H10B43/20 ,  H10B63/00 ,  H10B69/00

Abstract: A 3D semiconductor device, the device including: a first level including single crystal first transistors, a first metal layer, and a first isolation layer; a second level including second transistors and a second isolation layer, where the first level is overlaid by the second level; a third level including single crystal third transistors, where the second level is overlaid by the third level, where the third level includes a third isolation layer, and where the third level is bonded to the second level; a power delivery path to the second transistors, where at least a portion of the power delivery path is connected to at least one of the first transistors; and a plurality of capacitors, where the plurality of capacitors include functioning as a decoupling capacitor to mitigate power supply noise.

公开(公告)号：US12100646B2

公开(公告)日：2024-09-24

申请号：US18623525

申请日：2024-04-01

Applicant: Monolithic 3D Inc.

Inventor： Zvi Or-Bach ,  Brian Cronquist

IPC: H01L23/498 ,  H01L23/48 ,  H01L27/06

CPC classification number: H01L23/49844 ,  H01L23/481 ,  H01L27/0688

Abstract: A semiconductor device including: a first silicon layer including a first single crystal silicon layer; first transistors with a single crystal channel and overlaid by a first metal layer; overlaid by a second metal layer; overlaid by a third metal layer; a second level with second transistors and including a metal gate, and then disposed over the third metal layer; the second level is overlaid by a third level with third transistors; and then overlaid by a fourth metal layer; fourth overlaid by a fifth metal layer; a via disposed through the second level; the device includes at least one temperature sensor; the fifth metal layer average thickness is greater than the third metal layer average thickness by at least 50%; at least one element within at least one of the second transistors has been processed independently of the third transistors.

公开(公告)号：US12094965B2

公开(公告)日：2024-09-17

申请号：US18429202

申请日：2024-01-31

Applicant: Monolithic 3D Inc.

Inventor： Zvi Or-Bach

IPC: H01L29/78 ,  G11C11/404 ,  G11C11/4097 ,  G11C11/412 ,  G11C16/02 ,  G11C16/04 ,  H10B10/00 ,  H10B12/00 ,  H10B43/20 ,  H10B63/00 ,  H10B69/00

CPC classification number: H01L29/78 ,  G11C11/404 ,  G11C11/4097 ,  G11C11/412 ,  G11C16/02 ,  G11C16/0483 ,  H01L29/7841 ,  H10B10/12 ,  H10B12/20 ,  H10B43/20 ,  H10B63/30 ,  H10B69/00 ,  G11C2213/71

Abstract: 3D semiconductor device including: a first level including a first single crystal layer and first transistors, and at least one first metal layer—which includes interconnects between the first transistors forming control circuits-which overlays the first single crystal layer; second metal layer overlaying first metal layer; a second level including second transistors, first memory cells and overlaying second metal layer; a third level including third transistors (at least one includes a polysilicon channel), second memory cells (each including at least one third transistor and cell is partially disposed atop control circuits) and overlaying the second level; control circuits control data written to second memory cells and include at least one sense amplifier; third metal layer disposed above third level; fourth metal layer includes global power distribution grid, has a thickness at least twice the second metal layer, disposed above third metal layer; fourth level includes single-crystal silicon, atop fourth metal layer.