公开(公告)号：US12249538B2

公开(公告)日：2025-03-11

申请号：US18228907

申请日：2023-08-01

Applicant: Monolithic 3D Inc.

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

IPC: H01L21/74

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, including metal gate) atop the third metal layer; a fourth metal layer 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 including the fifth metal layer; a local power distribution grid, the thickness of the fifth metal layer is at least 50% greater than the thickness of the second metal layer, a layer deposited by ALD.

公开(公告)号：US20230386890A1

公开(公告)日：2023-11-30

申请号：US18228907

申请日：2023-08-01

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, including metal gate) atop the third metal layer; a fourth metal layer 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 including the fifth metal layer; a local power distribution grid, the thickness of the fifth metal layer is at least 50% greater than the thickness of the second metal layer, a layer deposited by ALD.

公开(公告)号：US20210118699A1

公开(公告)日：2021-04-22

申请号：US17115766

申请日：2020-12-08

Applicant: Monolithic 3D Inc.

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

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

Abstract: A 3D semiconductor device, the device including: a first level, where the first level includes a first layer, the first layer including first transistors, and where the first level includes a second layer, the second layer including first interconnections; a second level overlaying the first level, where the second level includes a third layer, the third layer including second transistors, and where the second level includes a fourth layer, the fourth layer including second interconnections; and a plurality of connection paths, where the plurality of connection paths provides connections from a plurality of the first transistors to a plurality of the second transistors, where the second level is bonded to the first level, where the bonded includes oxide to oxide bond regions, where the bonded includes metal to metal bond regions, where the second level includes at least one memory array, and where the third layer includes material other than silicon.

公开(公告)号：US20190013213A1

公开(公告)日：2019-01-10

申请号：US16113860

申请日：2018-08-27

Applicant: Monolithic 3D Inc.

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

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

Abstract: A 3D semiconductor device, the device including: a first single crystal layer including a plurality of first transistors and a first metal layer, where the first metal layer includes interconnecting the first transistors forming, at least in part a plurality of logic gates; a plurality of second transistors overlaying, at least in part the first single crystal layer; a plurality of third transistors overlaying, at least in part the second transistors; a second metal layer overlaying, at least in part the third transistors; Input/Output pads to provide connection to external devices, a local power grid to distribute power to the plurality of logic gates, where the third transistors are aligned to the first transistors with less than 40 nm misalignment, where the first single crystal layer includes an Serializer/Deserializer (“SerDes”) structure connected to at least one of the Input/Output pads, where a memory cell includes at least one of the third transistors.

公开(公告)号：US10115663B2

公开(公告)日：2018-10-30

申请号：US15913917

申请日：2018-03-06

Applicant: Monolithic 3D Inc.

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

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

Abstract: A 3D semiconductor device, the device including: a first single crystal layer including a plurality of first transistors and a first metal layer, where the first metal layer includes interconnecting the first transistors forming a plurality of logic gates; a plurality of second transistors overlaying the first single crystal layer; a plurality of third transistors overlaying the second transistors; a second metal layer overlaying the third transistors; and Input/Output pads to provide connection to external devices, where the third transistors are aligned to the first transistors with less than 40 nm misalignment, where the first single crystal layer includes an Electrostatic Discharge (“ESD”) structure connected to at least one of the Input/Output pads, where at least one of the third transistors is a junction-less transistor, and where a memory cell includes at least one of the third transistors.

公开(公告)号：US09953972B2

公开(公告)日：2018-04-24

申请号：US15470866

申请日：2017-03-27

Applicant: Monolithic 3D Inc.

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

IPC: H01L27/06 ,  H01L21/762 ,  H01L27/108 ,  H01L21/8234 ,  H01L23/367 ,  H01L23/48 ,  H01L23/522 ,  H01L25/065 ,  H01L27/088 ,  H01L27/092

CPC classification number: H01L27/0688 ,  H01L21/76254 ,  H01L21/823475 ,  H01L23/3677 ,  H01L23/481 ,  H01L23/5225 ,  H01L23/585 ,  H01L25/0657 ,  H01L27/088 ,  H01L27/0886 ,  H01L27/092 ,  H01L27/0922 ,  H01L27/10802 ,  H01L27/10897 ,  H01L28/00 ,  H01L2225/06527 ,  H01L2225/06541 ,  H01L2225/06589 ,  H01L2924/0002 ,  H01L2924/00

Abstract: An Integrated Circuit device, including: first transistors and second transistors, where the first transistors and the second transistors each include a single crystal channel, where at least one of the second transistors overlays at least one of the first transistors with less than 1 micron distance apart, and where at least one of the second transistors is a dopant segregated schottky barrier transistor.

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：US20220216070A1

公开(公告)日：2022-07-07

申请号：US17705392

申请日：2022-03-28

Applicant: Monolithic 3D Inc.

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

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

Abstract: A 3D semiconductor device a first level, where the first level includes a first layer which includes first transistors, where the first level includes a second layer, the second layer including first interconnections; a second level overlaying the first level, where the second level includes a third layer which includes second transistors, and where the second level includes a fourth layer, the fourth layer including second interconnections and a plurality of connection paths, where the plurality of connection paths provides connections from a plurality of the first transistors to a plurality of the second transistors, where the second level is bonded to the first level, where the bonded includes oxide to oxide bond regions, where the bonded includes metal to metal bond regions, where the second level includes at least one first ElectroStatic Discharge (ESD) circuit, and where the first level includes at least one second ESD circuit.

公开(公告)号：US10651054B2

公开(公告)日：2020-05-12

申请号：US16115519

申请日：2018-08-28

Applicant: Monolithic 3D Inc.

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

IPC: H01L21/48 ,  H01L23/498 ,  H01L27/092 ,  H01L23/34 ,  H01L27/02 ,  H01L21/8234 ,  H01L27/06 ,  H01L25/065 ,  H01L23/60 ,  H01L23/522 ,  H01L23/367 ,  H01L25/00 ,  H01L27/098 ,  H01L23/373 ,  H01L23/50 ,  H01L21/8238

Abstract: A 3D semiconductor device, the device including: a first single crystal layer including a plurality of first transistors and a first metal layer, where the first metal layer includes interconnecting the first transistors forming, at least in part a plurality of logic gates; a plurality of second transistors overlaying, at least in part the first single crystal layer; a plurality of third transistors overlaying, at least in part the second transistors; a second metal layer overlaying, at least in part the third transistors; Input/Output pads to provide connection to external devices, a local power grid to distribute power to the logic gates, where the third transistors are aligned to the first transistors with less than 40 nm misalignment, where the first single crystal layer includes a Phase Lock Loop (“PLL”) structure connected to at least one of the Input/Output pads, where a memory cell includes at least one of the third transistors.

公开(公告)号：US09941275B2

公开(公告)日：2018-04-10

申请号：US15470872

申请日：2017-03-27

Applicant: Monolithic 3D Inc.

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

IPC: H01L23/48 ,  H01L23/52 ,  H01L29/40 ,  H01L27/06 ,  H01L23/544 ,  H01L27/088 ,  H01L23/58 ,  H01L23/00 ,  H01L23/367 ,  H01L27/092

CPC classification number: H01L27/0688 ,  H01L23/3677 ,  H01L23/544 ,  H01L23/552 ,  H01L23/562 ,  H01L23/585 ,  H01L27/088 ,  H01L27/092 ,  H01L27/1211 ,  H01L2223/54426 ,  H01L2223/54453

Abstract: An Integrated Circuit device, including: a first layer including first single crystal transistors; a second layer overlaying the first layer, the second layer including second single crystal transistors, where the second layer thickness is less than one micron, where a plurality of the first transistors is circumscribed by a first dice lane of at least 10 microns width, and there are no first conductive connections to the plurality of the first transistors that cross the first dice lane, where a plurality of the second transistors are circumscribed by a second dice lane of at least 10 microns width, and there are no second conductive connections to the plurality of the second transistors that cross the second dice lane, and at least one thermal conducting path from at least one of the second single crystal transistors to an external surface of the device.