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：US20210249524A1

公开(公告)日：2021-08-12

申请号：US17243476

申请日：2021-04-28

Applicant: Intel Corporation

Inventor： Subhash M. JOSHI ,  Jeffrey S. LEIB ,  Michael L. HATTENDORF

IPC: H01L29/66 ,  H01L21/768 ,  H01L29/78 ,  H01L29/51 ,  H01L21/311 ,  H01L21/762 ,  H01L21/8238 ,  H01L27/092 ,  H01L29/165 ,  H01L29/167 ,  H01L21/02 ,  H01L21/033 ,  H01L21/8234 ,  H01L27/088 ,  H01L23/528 ,  H01L23/532 ,  H01L29/417 ,  H01L21/285 ,  H01L27/02 ,  H01L49/02 ,  H01L29/06 ,  H01L29/08 ,  H01L21/28 ,  H01L21/308 ,  H01L23/522 ,  H01L27/11 ,  H01L23/00

Abstract: Embodiments of the disclosure are in the field of advanced integrated circuit structure fabrication and, in particular, 10 nanometer node and smaller integrated circuit structure fabrication and the resulting structures. In an example, an integrated circuit structure includes a fin. A gate dielectric layer is over the top of the fin and laterally adjacent the sidewalls of the fin. A gate electrode is over the gate dielectric layer over the top of the fin and laterally adjacent the sidewalls of the fin. First and second semiconductor source or drain regions are adjacent the first and second sides of the gate electrode, respectively. First and second trench contact structures are over the first and second semiconductor source or drain regions, respectively, the first and second trench contact structures both comprising a U-shaped metal layer and a T-shaped metal layer on and over the entirety of the U-shaped metal layer.

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.