公开(公告)号：US20210202472A1

公开(公告)日：2021-07-01

申请号：US16728111

申请日：2019-12-27

Applicant: Intel Corporation

Inventor： Nicholas A. Thomson ,  Kalyan C. Kolluru ,  Adam Clay Faust ,  Frank Patrick O'Mahony ,  Ayan Kar ,  Rui Ma

IPC: H01L27/02

Abstract: Disclosed herein are integrated circuit (IC) structures including backside vias, as well as related methods and devices. In some embodiments, an IC structure may include: a device layer, wherein the device layer includes a plurality of active devices; a first metallization layer over the device layer, wherein the first metallization layer includes a first conductive pathway in conductive contact with at least one of the active devices in the device layer; a second metallization layer under the device layer, wherein the second metallization layer includes a second conductive pathway; and a conductive via in the device layer, wherein the conductive via is in conductive contact with at least one of the active devices in the device layer and also in conductive contact with the second conductive pathway.

公开(公告)号：US12294003B2

公开(公告)日：2025-05-06

申请号：US18457453

申请日：2023-08-29

Applicant: Intel Corporation

Inventor： Nicholas A. Thomson ,  Kalyan C. Kolluru ,  Adam Clay Faust ,  Frank Patrick O'Mahony ,  Ayan Kar ,  Rui Ma

IPC: H01L21/677 ,  H01L27/02

Abstract: Disclosed herein are integrated circuit (IC) structures including backside vias, as well as related methods and devices. In some embodiments, an IC structure may include: a device layer, wherein the device layer includes a plurality of active devices; a first metallization layer over the device layer, wherein the first metallization layer includes a first conductive pathway in conductive contact with at least one of the active devices in the device layer; a second metallization layer under the device layer, wherein the second metallization layer includes a second conductive pathway; and a conductive via in the device layer, wherein the conductive via is in conductive contact with at least one of the active devices in the device layer and also in conductive contact with the second conductive pathway.

公开(公告)号：US20240088136A1

公开(公告)日：2024-03-14

申请号：US17943557

申请日：2022-09-13

Applicant: Intel Corporation

Inventor： Ayan Kar ,  Nicholas A. Thomson ,  Kalyan C. Kolluru ,  Benjamin Orr

IPC: H01L27/02

CPC classification number: H01L27/027

Abstract: An integrated circuit structure includes a sub-fin, a source region in contact with a first portion of the sub-fin, and a drain region in contact with a second portion of the sub-fin. A body including semiconductor material is above the sub-fin, where the body extends laterally between the source region and the drain region. A gate structure is on the body and includes (i) a gate electrode, and (ii) a gate dielectric between the gate electrode and the body. In an example, a first distance between the drain region and the gate electrode is at least two times a second distance between the source region and the gate electrode, where the first and second distances are measured in a same horizontal plane that runs in a direction parallel to the body. In an example, the body is a nanoribbon, a nanosheet, a nanowire, or a fin.

公开(公告)号：US20230420578A1

公开(公告)日：2023-12-28

申请号：US17848660

申请日：2022-06-24

Applicant: Intel Corporation

Inventor： Ayan Kar ,  Kalyan C. Kolluru ,  Nicholas A. Thomson ,  Vijaya Bhaskara Neeli ,  Said Rami ,  Saurabh Morarka ,  Karthik Krishaswamy ,  Mauro J. Kobrinsky

IPC: H01L29/93 ,  H01L29/06 ,  H01L29/417

CPC classification number: H01L29/93 ,  H01L29/0673 ,  H01L29/417 ,  H01L29/42392

Abstract: A varactor device includes a support structure, an electrically conductive layer at the backside of the support structure, two semiconductor structures including doped semiconductor materials, two contact structures, and a semiconductor region. Each contract structure is electrically conductive and is connected to a different one of the semiconductor structures A contract structure couples the corresponding semiconductor structure to the electrically conductive layer. The semiconductor region is between the two semiconductor structures and can be connected to the two semiconductor structures. The semiconductor region may include non-planar semiconductor structures coupled with a gate. The gate may be coupled to another electrically conductive layer at the frontside of the support structure. The varactor device may further include a pair of additional semiconductor regions that are electrically insulated from each other. The additional semiconductor regions may be coupled to two oppositely polarized gates, respectively.

公开(公告)号：US20230402449A1

公开(公告)日：2023-12-14

申请号：US18457453

申请日：2023-08-29

Applicant: Intel Corporation

Inventor： Nicholas A. Thomson ,  Kalyan C. Kolluru ,  Adam Clay Faust ,  Frank Patrick O'Mahony ,  Ayan Kar ,  Rui Ma

IPC: H01L27/02

CPC classification number: H01L27/0292 ,  H01L27/0288 ,  H01L27/0255

Abstract: Disclosed herein are integrated circuit (IC) structures including backside vias, as well as related methods and devices. In some embodiments, an IC structure may include: a device layer, wherein the device layer includes a plurality of active devices; a first metallization layer over the device layer, wherein the first metallization layer includes a first conductive pathway in conductive contact with at least one of the active devices in the device layer; a second metallization layer under the device layer, wherein the second metallization layer includes a second conductive pathway; and a conductive via in the device layer, wherein the conductive via is in conductive contact with at least one of the active devices in the device layer and also in conductive contact with the second conductive pathway.

公开(公告)号：US11837641B2

公开(公告)日：2023-12-05

申请号：US16719281

申请日：2019-12-18

Applicant: Intel Corporation

Inventor： Biswajeet Guha ,  William Hsu ,  Chung-Hsun Lin ,  Kinyip Phoa ,  Oleg Golonzka ,  Tahir Ghani ,  Kalyan Kolluru ,  Nathan Jack ,  Nicholas Thomson ,  Ayan Kar ,  Benjamin Orr

IPC: H01L29/41 ,  H01L29/417 ,  H01L25/18 ,  H01L27/088 ,  H01L29/06 ,  H01L29/40 ,  H01L29/423 ,  H01L29/66 ,  H01L29/78

CPC classification number: H01L29/41791 ,  H01L25/18 ,  H01L27/0886 ,  H01L29/0673 ,  H01L29/401 ,  H01L29/42392 ,  H01L29/6653 ,  H01L29/6681 ,  H01L29/7853 ,  H01L2029/7858

Abstract: Gate-all-around integrated circuit structures having adjacent deep via substrate contact for sub-fin electrical contact are described. For example, an integrated circuit structure includes a conductive via on a semiconductor substrate. A vertical arrangement of horizontal nanowires is above a fin protruding from the semiconductor substrate. A channel region of the vertical arrangement of horizontal nanowires is electrically isolated from the fin. The fin is electrically coupled to the conductive via. A gate stack is over the vertical arrangement of horizontal nanowires.

公开(公告)号：US11996403B2

公开(公告)日：2024-05-28

申请号：US16713656

申请日：2019-12-13

Applicant: Intel Corporation

Inventor： Nidhi Nidhi ,  Rahul Ramaswamy ,  Walid M. Hafez ,  Hsu-Yu Chang ,  Ting Chang ,  Babak Fallahazad ,  Tanuj Trivedi ,  Jeong Dong Kim ,  Ayan Kar ,  Benjamin Orr

IPC: H01L27/02 ,  H01L29/06 ,  H01L29/66

CPC classification number: H01L27/0255 ,  H01L29/0673 ,  H01L29/66136

Abstract: Embodiments disclosed herein include semiconductor devices and methods of forming such devices. In an embodiment, a semiconductor device comprises a semiconductor substrate and a source. The source has a first conductivity type and a first insulator separates the source from the semiconductor substrate. The semiconductor device further comprises a drain. The drain has a second conductivity type that is opposite from the first conductivity type, and a second insulator separates the drain from the semiconductor substrate. In an embodiment, the semiconductor further comprises a semiconductor body between the source and the drain, where the semiconductor body is spaced away from the semiconductor substrate.

公开(公告)号：US20240170581A1

公开(公告)日：2024-05-23

申请号：US17992057

申请日：2022-11-22

Applicant: Intel Corporation

Inventor： Cheng-Ying Huang ,  Ayan Kar ,  Patrick Morrow ,  Charles C. Kuo ,  Nicholas A. Thomson ,  Benjamin Orr ,  Kalyan C. Kolluru ,  Marko Radosavljevic ,  Jack T. Kavalieros

IPC: H01L29/861 ,  H01L27/02 ,  H01L27/06 ,  H01L29/06

CPC classification number: H01L29/8611 ,  H01L27/0255 ,  H01L27/0629 ,  H01L29/0649

Abstract: An integrated circuit structure includes a sub-fin having at least a first portion that is doped with a first type of dopant, and a second portion that is doped with a second type of dopant. A PN junction is between the first and second portions of the sub-fin. The first type of dopant is one of a p-type or an n-type dopant, and the second type of dopant is the other of the p-type or the n-type dopant. A first contact and a second contact comprise conductive material. In an example, the first contact and the second contact are respectively in contact with the first portion and the second portion of the sub-fin. A diode is formed based on the PN junction between the first and second portions, where the first contact is an anode contact of the diode, and the second contact is a cathode contact of the diode.

公开(公告)号：US20240088134A1

公开(公告)日：2024-03-14

申请号：US17943815

申请日：2022-09-13

Applicant: Intel Corporation

Inventor： Nicholas A. Thomson ,  Ayan Kar ,  Kalyan C. Kolluru ,  Mauro J. Kobrinsky

IPC: H01L27/02 ,  H01L21/8234

CPC classification number: H01L27/0266 ,  H01L21/823418 ,  H01L21/823481

Abstract: An integrated circuit structure includes laterally adjacent first and second devices. The first device has (i) a first diffusion region, (ii) a first body including semiconductor material extending laterally from the first diffusion region, and (iii) a first gate structure on the first body. The first diffusion region has a first lower section that extends below a lower surface of the first gate structure, the first lower section having a first height. The second device has (i) a second diffusion region, (ii) a second body including semiconductor material extending laterally from the second diffusion region, and (iii) a second gate structure on the second body. The second diffusion region has a second lower section that extends below a lower surface of the second gate structure, the second lower section having a second height. In an example, the first height is at least 2 nanometers greater than the second height.

公开(公告)号：US20240088133A1

公开(公告)日：2024-03-14

申请号：US17943840

申请日：2022-09-13

Applicant: INTEL CORPORATION

Inventor： Nicholas A. Thomson ,  Ayan Kar ,  Kalyan C. Kolluru ,  Mauro J. Kobrinksy ,  Benjamin Orr

IPC: H01L27/02 ,  H01L23/528 ,  H01L29/06 ,  H01L29/861

CPC classification number: H01L27/0255 ,  H01L23/5283 ,  H01L27/0266 ,  H01L29/0673 ,  H01L29/8611

Abstract: An integrated circuit structure includes a sub-fin having a first type of dopant, a first diffusion region having the first type of dopant and in contact with the sub-fin, and a second diffusion region and a third diffusion region having a second type of dopant and in contact with the sub-fin. The first type of dopant is one of p-type or n-type dopant, and where the second type of dopant is the other of the p-type or n-type dopant. A first body of semiconductor material extends from the second diffusion region to the third diffusion region, and a second body of semiconductor material extends from the first diffusion region towards the second diffusion region. The first diffusion region is a tap diffusion region contacting the sub-fin. In an example, the first diffusion region facilitates formation of a diode for electrostatic discharge (ESD) protection of the integrated circuit structure.