公开(公告)号：US20210134644A1

公开(公告)日：2021-05-06

申请号：US17145678

申请日：2021-01-11

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 ,  H01L27/108 ,  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 level including logic circuits, the logic circuits include a plurality of first single crystal transistors and a first metal layer; a second level including a plurality of second transistors, where the second level includes memory cells including the plurality of second transistors; a second metal layer atop the second level; where the plurality of second transistors are junction-less transistors, where at least one of the plurality of second transistors includes polysilicon, where the memory cells are structured as a plurality of at least sixteen sub-arrays, where each of the sub-arrays is independently controlled, where at least one of the plurality of at least sixteen sub-arrays is at least partially atop at least one of the logic circuits, and where the at least one of the logic circuits is designed to control at least one of the plurality of at least sixteen sub-arrays.

公开(公告)号：US10991675B2

公开(公告)日：2021-04-27

申请号：US16337665

申请日：2017-09-19

Applicant: Monolithic 3D Inc.

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

IPC: H01L23/52 ,  H01L25/065 ,  H01L25/18 ,  H01L21/683 ,  H01L25/00 ,  H01L25/16 ,  H01L27/06 ,  G11C11/56 ,  G11C16/14 ,  G11C16/10 ,  H01L21/822 ,  H01L27/11597 ,  H01L27/11582 ,  H01L27/11556 ,  H01L27/1157 ,  H01L27/11524 ,  G11C29/00

Abstract: A method to construct a 3D system, the method including: providing a base wafer; and then transferring a first memory wafer on top of the base wafer; and then thinning the first memory wafer; and then transferring a second memory wafer on top of the first memory wafer; and then thinning the second memory wafer; and transferring a memory control on top of the second memory wafer; and then thinning the memory control, where the first memory wafer includes a cut-layer, and where the thinning of the first memory wafer includes using the cut-layer to control the thickness of the first memory wafer.

公开(公告)号：US10964807B2

公开(公告)日：2021-03-30

申请号：US16226628

申请日：2018-12-19

Applicant: Monolithic 3D Inc.

Inventor： Zvi Or-Bach

IPC: H01L29/78 ,  G11C16/02 ,  G11C11/404 ,  G11C11/4097 ,  H01L27/108 ,  H01L27/115 ,  H01L27/11 ,  H01L27/11578 ,  H01L27/24 ,  G11C11/412 ,  G11C16/04

Abstract: A 3D semiconductor device including: a first level including a single crystal layer, a plurality of first transistors and at least one metal layer, where the at least one metal layer overlays the single crystal layer and includes interconnects between the first transistors forming control circuits; a second level overlaying the at least one metal layer, the second level including a plurality of second transistors; a third level overlaying the second level, the third level including a plurality of third transistors; and polysilicon pillars, where the second level includes a plurality of first memory cells, the first memory cells each including at least one of the second transistors, where the third level includes a plurality of second memory cells, the second memory cells each including at least one of the third transistors, where at least one of the second memory cells is at least partially atop of the control circuits.

公开(公告)号：US20210043607A1

公开(公告)日：2021-02-11

申请号：US17065424

申请日：2020-10-07

Applicant: Monolithic 3D Inc.

Inventor： Zvi Or-Bach ,  Brian Cronquist

IPC: H01L25/065 ,  H01L23/00 ,  H01L21/66 ,  H01L25/00

Abstract: A 3D semiconductor device including: a first level including 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, 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, where the third layer includes crystalline silicon, where the second layer includes radio frequency type circuits.

公开(公告)号：US20210020457A1

公开(公告)日：2021-01-21

申请号：US17061563

申请日：2020-10-01

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 comprising: a first level, wherein said first level comprises a first layer, said first layer comprising first transistors, and wherein said first level comprises a second layer, said second layer comprising first interconnections; a second level overlaying said first level, wherein said second level comprises a third layer, said third layer comprising second transistors, and wherein said second level comprises a fourth layer, said fourth layer comprising second interconnections; and a plurality of connection paths, wherein said plurality of connection paths provides connections from a plurality of said first transistors to a plurality of said second transistors, wherein said second level is bonded to said first level, wherein said bonded comprises oxide to oxide bond regions, wherein said bonded comprises metal to metal bond regions, wherein said second level comprises at least one memory array, wherein said second level comprises at least one Phase Lock Loop (“PLL) circuit, and wherein said third layer comprises crystalline silicon.

公开(公告)号：US20200259048A1

公开(公告)日：2020-08-13

申请号：US16860027

申请日：2020-04-27

Applicant: Monolithic 3D Inc.

Inventor： Zvi Or-Bach ,  Deepak C. Sekar

IPC: H01L33/24 ,  H01L27/15 ,  G09G3/32 ,  H01L33/50 ,  G02B30/50

Abstract: A 3D micro display, the 3D micro display including: a first single crystal layer including at least one LED driving circuit; a second single crystal layer including a first plurality of light emitting diodes (LEDs), where the second single crystal layer is on top of the first single crystal layer, where the second single crystal layer includes at least ten individual first LED pixels; and a second plurality of light emitting diodes (LEDs), where the 3D micro display includes an oxide to oxide bonding structure.

公开(公告)号：US20200185372A1

公开(公告)日：2020-06-11

申请号：US16786060

申请日：2020-02-10

Applicant: Monolithic 3D Inc.

Inventor： Zvi Or-Bach ,  Jin-Woo Han

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

Abstract: A 3D semiconductor device, the device including: a first level including first single crystal transistors; and a second level including second single crystal transistors, where the first level is overlaid by the second level, where a vertical distance from the first single crystal transistors to the second single crystal transistors is less than four microns, where the first level includes a plurality of processors, and where the second level includes a plurality of memory cells.

公开(公告)号：US10658358B2

公开(公告)日：2020-05-19

申请号：US16252825

申请日：2019-01-21

Applicant: Monolithic 3D Inc.

Inventor： Zvi Or-Bach ,  Brian Cronquist

IPC: H01L27/06 ,  H01L23/522

Abstract: A 3D semiconductor wafer, the wafer including: a first device, where the first device includes a first level, the first level including first transistors, and where the first device includes a second level, the second level including first interconnections; a second device overlaying the first device, where the second device includes a third level, the third level including second transistors, and where the second device includes a fourth level, the fourth level including second interconnections, where the first device is substantially larger in area than the second device; 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.

公开(公告)号：US10600888B2

公开(公告)日：2020-03-24

申请号：US16004404

申请日：2018-06-10

Applicant: Monolithic 3D Inc.

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

IPC: H01L29/00 ,  H01L29/12 ,  H01L29/76 ,  H01L29/94 ,  H01L31/062 ,  H01L31/113 ,  H01L31/119 ,  H01L31/00 ,  H01L29/66 ,  H01L23/50 ,  H01L23/34 ,  H01L27/088 ,  H01L27/06 ,  H01L27/02 ,  H01L29/78 ,  H01L27/108 ,  H01L23/544 ,  H01L27/24 ,  H01L21/74 ,  H01L29/10 ,  H01L29/808 ,  H01L29/732 ,  H01L27/118 ,  H01L27/11578 ,  H01L27/11573 ,  H01L27/11551 ,  H01L27/11526 ,  H01L23/48 ,  H01L27/1157 ,  H01L45/00 ,  H01L29/786 ,  B82Y10/00 ,  H01L29/423 ,  H01L29/775 ,  H01L29/06 ,  H01L21/762 ,  H01L27/092

Abstract: A 3D semiconductor device, the device including: a first level including a plurality of first single crystal transistors, contacts, and a first metal layer, where a portion of the first single crystal transistors are interconnected, where the interconnected includes the first metal layer and the contacts, and where the portion of the first single crystal transistors are interconnected forms memory control circuits; a second level overlaying the first level, the second level including a plurality of second transistors; a third level overlaying the second level, the third level including a plurality of third transistors; a fourth level overlaying the third level, the fourth level including a plurality of fourth transistors; and a second metal layer overlaying the fourth level, where the plurality of second transistors are aligned to the plurality of first transistors with a less than 40 nm alignment error.

公开(公告)号：US20200083196A1

公开(公告)日：2020-03-12

申请号：US16683244

申请日：2019-11-13

Applicant: Monolithic 3D Inc.

Inventor： Zvi Or-Bach ,  Brian Cronquist

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

Abstract: A method to form a 3D semiconductor device, the method including: providing a first wafer including first circuits including transistors and interconnection; preparing a second wafer including a silicon layer; performing growth of an epitaxial layer on top of the silicon layer, the epitaxial layer including non-silicon atoms, forming second circuits over the second wafer, the second circuits including transistors and interconnection; transferring and then bonding the second wafer on top of the first wafer; and then thinning the second wafer to a thickness of less than ten microns.