公开(公告)号：US20200251387A1

公开(公告)日：2020-08-06

申请号：US16819590

申请日：2020-03-16

Applicant: Intel Corporation

Inventor： Mark T. BOHR ,  Tahir GHANI ,  Nadia M. RAHHAL-ORABI ,  Subhash M. JOSHI ,  Joseph M. STEIGERWALD ,  Jason W. KLAUS ,  Jack HWANG ,  Ryan MACKIEWICZ

IPC: H01L21/768 ,  H01L23/535 ,  H01L21/285 ,  H01L21/28 ,  H01L29/45 ,  H01L29/16 ,  H01L29/66 ,  H01L29/51 ,  H01L29/423 ,  H01L29/08 ,  H01L23/528 ,  H01L23/522 ,  H01L21/311 ,  H01L21/283 ,  H01L29/78 ,  H01L29/49

Abstract: A transistor comprises a substrate, a pair of spacers on the substrate, a gate dielectric layer on the substrate and between the pair of spacers, a gate electrode layer on the gate dielectric layer and between the pair of spacers, an insulating cap layer on the gate electrode layer and between the pair of spacers, and a pair of diffusion regions adjacent to the pair of spacers. The insulating cap layer forms an etch stop structure that is self aligned to the gate and prevents the contact etch from exposing the gate electrode, thereby preventing a short between the gate and contact. The insulator-cap layer enables self-aligned contacts, allowing initial patterning of wider contacts that are more robust to patterning limitations.

公开(公告)号：US20240030067A1

公开(公告)日：2024-01-25

申请号：US18374976

申请日：2023-09-29

Applicant: Intel Corporation

Inventor： Mark T. BOHR ,  Tahir GHANI ,  Nadia M. RAHHAL-ORABI ,  Subhash M. JOSHI ,  Joseph M. STEIGERWALD ,  Jason W. KLAUS ,  Jack HWANG ,  Ryan MACKIEWICZ

IPC: H01L21/768 ,  H01L29/78 ,  H01L29/49 ,  H01L29/66 ,  H01L29/51 ,  H01L21/28 ,  H01L21/283 ,  H01L21/311 ,  H01L23/522 ,  H01L23/528 ,  H01L29/08 ,  H01L29/423 ,  H01L29/16 ,  H01L29/45 ,  H01L21/285 ,  H01L23/535

CPC classification number: H01L21/76897 ,  H01L29/785 ,  H01L21/76831 ,  H01L21/76849 ,  H01L29/4966 ,  H01L29/66545 ,  H01L29/6656 ,  H01L29/66477 ,  H01L29/517 ,  H01L29/78 ,  H01L21/28229 ,  H01L21/28255 ,  H01L21/283 ,  H01L21/31105 ,  H01L21/76802 ,  H01L21/76877 ,  H01L23/5226 ,  H01L23/528 ,  H01L29/0847 ,  H01L29/42364 ,  H01L29/512 ,  H01L29/518 ,  H01L29/665 ,  H01L29/16 ,  H01L29/456 ,  H01L21/28123 ,  H01L21/28562 ,  H01L23/535 ,  H01L2029/7858 ,  H01L29/495 ,  H01L2924/0002

Abstract: A transistor comprises a substrate, a pair of spacers on the substrate, a gate dielectric layer on the substrate and between the pair of spacers, a gate electrode layer on the gate dielectric layer and between the pair of spacers, an insulating cap layer on the gate electrode layer and between the pair of spacers, and a pair of diffusion regions adjacent to the pair of spacers. The insulating cap layer forms an etch stop structure that is self aligned to the gate and prevents the contact etch from exposing the gate electrode, thereby preventing a short between the gate and contact. The insulator-cap layer enables self-aligned contacts, allowing initial patterning of wider contacts that are more robust to patterning limitations.

公开(公告)号：US20180277593A1

公开(公告)日：2018-09-27

申请号：US15959027

申请日：2018-04-20

Applicant: Intel Corporation

Inventor： Kevin J. LEE ,  Tahir GHANI ,  Joseph M. STEIGERWALD ,  John H. EPPLE ,  Yih WANG

IPC: H01L27/22 ,  H01L43/08 ,  H01L43/12 ,  G11C11/16

CPC classification number: H01L27/222 ,  G11C11/161 ,  H01L43/08 ,  H01L43/12 ,  H05K999/99

Abstract: An embodiment integrates memory, such as spin-torque transfer magnetoresistive random access memory (STT-M RAM) within a logic chip. The STT-MRAM includes a magnetic tunnel junction (MTJ) that has an upper MTJ layer, a lower MTJ layer, and a tunnel barrier directly contacting the upper MTJ layer and the lower MTJ layer; wherein the upper MTJ layer includes an upper MTJ layer sidewall and the lower MTJ layer includes a lower MTJ sidewall horizontally offset from the upper MTJ layer. Another embodiment includes a memory area, comprising a MTJ, and a logic area located on a substrate; wherein a horizontal plane intersects the MTJ, a first Inter-Layer Dielectric (ILD) material adjacent the MTJ, and a second ILD material included in the logic area, the first and second ILD materials being unequal to one another. Other embodiments are described herein.

公开(公告)号：US20200227472A1

公开(公告)日：2020-07-16

申请号：US16831658

申请日：2020-03-26

Applicant: Intel Corporation

Inventor： Kevin J. LEE ,  Tahir GHANI ,  Joseph M. STEIGERWALD ,  John H. EPPLE ,  Yih WANG

IPC: H01L27/22 ,  H01L43/12 ,  H01L43/08 ,  G11C11/16

Abstract: An embodiment integrates memory, such as spin-torque transfer magnetoresistive random access memory (STT-M RAM) within a logic chip. The STT-MRAM includes a magnetic tunnel junction (MTJ) that has an upper MTJ layer, a lower MTJ layer, and a tunnel barrier directly contacting the upper MTJ layer and the lower MTJ layer; wherein the upper MTJ layer includes an upper MTJ layer sidewall and the lower MTJ layer includes a lower MTJ sidewall horizontally offset from the upper MTJ layer. Another embodiment includes a memory area, comprising a MTJ, and a logic area located on a substrate; wherein a horizontal plane intersects the MTJ, a first Inter-Layer Dielectric (ILD) material adjacent the MTJ, and a second ILD material included in the logic area, the first and second ILD materials being unequal to one another. Other embodiments are described herein.

公开(公告)号：US20170213768A1

公开(公告)日：2017-07-27

申请号：US15328473

申请日：2014-08-29

Applicant: Intel Corporation

Inventor： Joseph M. STEIGERWALD ,  Nick LINDERT

IPC: H01L21/8234 ,  H01L29/417 ,  H01L29/66 ,  H01L21/304 ,  H01L21/308 ,  H01L23/535 ,  H01L27/088 ,  H01L29/78

CPC classification number: H01L21/823475 ,  H01L21/304 ,  H01L21/3085 ,  H01L21/823431 ,  H01L23/535 ,  H01L27/0886 ,  H01L29/41791 ,  H01L29/66795 ,  H01L29/785 ,  H01L2224/16225 ,  H01L2924/15311

Abstract: Embodiments of the present disclosure describe techniques for filling a high aspect ratio, narrow structure with multiple metal layers and associated configurations. In one embodiment, an apparatus includes a transistor structure comprising a semiconductor material, a dielectric material having a recess defined over the transistor structure, the recess having a height in a first direction, an electrode terminal disposed in the recess and coupled with the transistor structure, wherein a first portion of the electrode terminal comprises a first metal in direct contact with the transistor structure and a second portion of the electrode terminal comprises a second metal disposed on the first portion and wherein an interface between the first portion and the second portion is planar and extends across the recess in a second direction that is substantially perpendicular to the first direction. Other embodiments may be described and/or claimed.

公开(公告)号：US20230154793A1

公开(公告)日：2023-05-18

申请号：US18098029

申请日：2023-01-17

Applicant: Intel Corporation

Inventor： Mark T. BOHR ,  Tahir GHANI ,  Nadia M. RAHHAL-ORABI ,  Subhash M. JOSHI ,  Joseph M. STEIGERWALD ,  Jason W. KLAUS ,  Jack HWANG ,  Ryan MACKIEWICZ

IPC: H01L21/768 ,  H01L29/78 ,  H01L29/49 ,  H01L29/66 ,  H01L29/51 ,  H01L21/28 ,  H01L21/283 ,  H01L21/311 ,  H01L23/522 ,  H01L23/528 ,  H01L29/08 ,  H01L29/423 ,  H01L29/16 ,  H01L29/45 ,  H01L21/285 ,  H01L23/535

CPC classification number: H01L21/76897 ,  H01L29/785 ,  H01L21/76831 ,  H01L21/76849 ,  H01L29/4966 ,  H01L29/66545 ,  H01L29/6656 ,  H01L29/66477 ,  H01L29/517 ,  H01L29/78 ,  H01L21/28229 ,  H01L21/28255 ,  H01L21/283 ,  H01L21/31105 ,  H01L21/76802 ,  H01L21/76877 ,  H01L23/5226 ,  H01L23/528 ,  H01L29/0847 ,  H01L29/42364 ,  H01L29/512 ,  H01L29/518 ,  H01L29/665 ,  H01L29/16 ,  H01L29/456 ,  H01L21/28123 ,  H01L21/28562 ,  H01L23/535 ,  H01L2029/7858 ,  H01L29/495 ,  H01L2924/0002

Abstract: A transistor comprises a substrate, a pair of spacers on the substrate, a gate dielectric layer on the substrate and between the pair of spacers, a gate electrode layer on the gate dielectric layer and between the pair of spacers, an insulating cap layer on the gate electrode layer and between the pair of spacers, and a pair of diffusion regions adjacent to the pair of spacers. The insulating cap layer forms an etch stop structure that is self aligned to the gate and prevents the contact etch from exposing the gate electrode, thereby preventing a short between the gate and contact. The insulator-cap layer enables self-aligned contacts, allowing initial patterning of wider contacts that are more robust to patterning limitations.

公开(公告)号：US20210134673A1

公开(公告)日：2021-05-06

申请号：US17147423

申请日：2021-01-12

Applicant: Intel Corporation

Inventor： Mark T. BOHR ,  Tahir GHANI ,  Nadia M. RAHHAL-ORABI ,  Subhash M. JOSHI ,  Joseph M. STEIGERWALD ,  Jason W. KLAUS ,  Jack HWANG ,  Ryan MACKIEWICZ

IPC: H01L21/768 ,  H01L29/78 ,  H01L29/49 ,  H01L29/66 ,  H01L29/51 ,  H01L21/28 ,  H01L21/283 ,  H01L21/311 ,  H01L23/522 ,  H01L23/528 ,  H01L29/08 ,  H01L29/423 ,  H01L29/16 ,  H01L29/45 ,  H01L21/285 ,  H01L23/535

Abstract: A transistor comprises a substrate, a pair of spacers on the substrate, a gate dielectric layer on the substrate and between the pair of spacers, a gate electrode layer on the gate dielectric layer and between the pair of spacers, an insulating cap layer on the gate electrode layer and between the pair of spacers, and a pair of diffusion regions adjacent to the pair of spacers. The insulating cap layer forms an etch stop structure that is self aligned to the gate and prevents the contact etch from exposing the gate electrode, thereby preventing a short between the gate and contact. The insulator-cap layer enables self-aligned contacts, allowing initial patterning of wider contacts that are more robust to patterning limitations.

公开(公告)号：US20160155815A1

公开(公告)日：2016-06-02

申请号：US14998092

申请日：2015-12-23

Applicant: Intel Corporation

Inventor： Mark T. BOHR ,  Tahir GHANI ,  Nadia M. RAHHAL-ORABI ,  Subhash M. JOSHI ,  Joseph M. STEIGERWALD ,  Jason W. KLAUS ,  Jack HWANG ,  Ryan MACKIEWICZ

IPC: H01L29/51 ,  H01L29/423 ,  H01L29/16 ,  H01L29/78 ,  H01L29/45 ,  H01L29/49

CPC classification number: H01L21/76897 ,  H01L21/28123 ,  H01L21/28229 ,  H01L21/28255 ,  H01L21/283 ,  H01L21/28562 ,  H01L21/31105 ,  H01L21/76802 ,  H01L21/76831 ,  H01L21/76849 ,  H01L21/76877 ,  H01L23/5226 ,  H01L23/528 ,  H01L23/535 ,  H01L29/0847 ,  H01L29/16 ,  H01L29/42364 ,  H01L29/456 ,  H01L29/495 ,  H01L29/4966 ,  H01L29/512 ,  H01L29/517 ,  H01L29/518 ,  H01L29/66477 ,  H01L29/665 ,  H01L29/66545 ,  H01L29/6656 ,  H01L29/78 ,  H01L29/785 ,  H01L2029/7858 ,  H01L2924/0002 ,  H01L2924/00

Abstract: A transistor comprises a substrate, a pair of spacers on the substrate, a gate dielectric layer on the substrate and between the pair of spacers, a gate electrode layer on the gate dielectric layer and between the pair of spacers, an insulating cap layer on the gate electrode layer and between the pair of spacers, and a pair of diffusion regions adjacent to the pair of spacers. The insulating cap layer forms an etch stop structure that is self aligned to the gate and prevents the contact etch from exposing the gate electrode, thereby preventing a short between the gate and contact. The insulator-cap layer enables self-aligned contacts, allowing initial patterning of wider contacts that are more robust to patterning limitations.