公开(公告)号：US11251201B2

公开(公告)日：2022-02-15

申请号：US17072850

申请日：2020-10-16

Applicant: Intel Corporation

Inventor： Walid M. Hafez ,  Jeng-Ya D. Yeh ,  Curtis Tsai ,  Joodong Park ,  Chia-Hong Jan ,  Gopinath Bhimarasetti

IPC: H01L27/12 ,  H01L21/8234 ,  H01L21/84 ,  H01L29/66 ,  H01L21/02 ,  H01L21/28 ,  H01L29/423 ,  H01L29/51

Abstract: High voltage three-dimensional devices having dielectric liners and methods of forming high voltage three-dimensional devices having dielectric liners are described. For example, a semiconductor structure includes a first fin active region and a second fin active region disposed above a substrate. A first gate structure is disposed above a top surface of, and along sidewalls of, the first fin active region. The first gate structure includes a first gate dielectric, a first gate electrode, and first spacers. The first gate dielectric is composed of a first dielectric layer disposed on the first fin active region and along sidewalls of the first spacers, and a second, different, dielectric layer disposed on the first dielectric layer and along sidewalls of the first spacers. The semiconductor structure also includes a second gate structure disposed above a top surface of, and along sidewalls of, the second fin active region. The second gate structure includes a second gate dielectric, a second gate electrode, and second spacers. The second gate dielectric is composed of the second dielectric layer disposed on the second fin active region and along sidewalls of the second spacers.

公开(公告)号：US10692888B2

公开(公告)日：2020-06-23

申请号：US15946666

申请日：2018-04-05

Applicant: Intel Corporation

Inventor： Walid M. Hafez ,  Jeng-Ya D. Yeh ,  Curtis Tsai ,  Joodong Park ,  Chia-Hong Jan ,  Gopinath Bhimarasetti

IPC: H01L27/12 ,  H01L21/8234 ,  H01L21/84 ,  H01L29/66 ,  H01L21/02 ,  H01L21/28 ,  H01L29/423 ,  H01L29/51

Abstract: High voltage three-dimensional devices having dielectric liners and methods of forming high voltage three-dimensional devices having dielectric liners are described. For example, a semiconductor structure includes a first fin active region and a second fin active region disposed above a substrate. A first gate structure is disposed above a top surface of, and along sidewalls of, the first fin active region. The first gate structure includes a first gate dielectric, a first gate electrode, and first spacers. The first gate dielectric is composed of a first dielectric layer disposed on the first fin active region and along sidewalls of the first spacers, and a second, different, dielectric layer disposed on the first dielectric layer and along sidewalls of the first spacers. The semiconductor structure also includes a second gate structure disposed above a top surface of, and along sidewalls of, the second fin active region. The second gate structure includes a second gate dielectric, a second gate electrode, and second spacers. The second gate dielectric is composed of the second dielectric layer disposed on the second fin active region and along sidewalls of the second spacers.

公开(公告)号：US10263112B2

公开(公告)日：2019-04-16

申请号：US15353631

申请日：2016-11-16

Applicant: Intel Corporation

Inventor： Chia-Hong Jan ,  Walid M. Hafez ,  Curtis Tsai ,  Jeng-Ya D. Yeh ,  Joodong Park

IPC: H01L29/78 ,  H01L29/66 ,  H01L27/12 ,  H01L29/06 ,  H01L29/786

Abstract: Vertical non-planar semiconductor devices for system-on-chip (SoC) applications and methods of fabricating vertical non-planar semiconductor devices are described. For example, a semiconductor device includes a semiconductor fin disposed above a substrate, the semiconductor fin having a recessed portion and an uppermost portion. A source region is disposed in the recessed portion of the semiconductor fin. A drain region is disposed in the uppermost portion of the semiconductor fin. A gate electrode is disposed over the uppermost portion of the semiconductor fin, between the source and drain regions.

公开(公告)号：US09881927B2

公开(公告)日：2018-01-30

申请号：US14780222

申请日：2013-06-25

Applicant: Intel Corporation

Inventor： Jeng-Ya D. Yeh ,  Chia-Hong Jan ,  Walid M. Hafez ,  Joodong Park

IPC: H01L29/78 ,  H01L27/092 ,  H01L27/112 ,  H01L29/66 ,  H01L23/525 ,  H01L21/8234 ,  H01L27/088

CPC classification number: H01L27/11206 ,  H01L21/823431 ,  H01L23/5256 ,  H01L27/0886 ,  H01L27/0924 ,  H01L29/66545 ,  H01L29/66795 ,  H01L29/78 ,  H01L29/785 ,  H01L2924/0002 ,  H01L2924/00

Abstract: CMOS-compatible polycide fuse structures and methods of fabricating CMOS-compatible polycide fuse structures are described. In an example, a semiconductor structure includes a substrate. A polycide fuse structure is disposed above the substrate and includes silicon and a metal. A metal oxide semiconductor (MOS) transistor structure is disposed above the substrate and includes a metal gate electrode.

公开(公告)号：US09786783B2

公开(公告)日：2017-10-10

申请号：US13995717

申请日：2013-03-29

Applicant: INTEL CORPORATION

Inventor： Walid M. Hafez ,  Joodong Park ,  Jeng-Ya D. Yeh ,  Chia-Hong Jan ,  Curtis Tsai

IPC: H01L29/78 ,  H01L29/66

CPC classification number: H01L29/785 ,  H01L29/66477 ,  H01L29/66795 ,  H01L29/78

Abstract: Techniques are disclosed for forming transistor architectures having extended recessed spacer and source/drain (S/D) regions. In some embodiments, a recess can be formed, for example, in the top of a fin of a fin-based field-effect transistor (finFET), such that the recess allows for forming extended recessed spacers and S/D regions in the finFET that are adjacent to the gate stack. In some instances, this configuration provides a higher resistance path in the top of the fin, which can reduce gate-induced drain leakage (GIDL) in the finFET. In some embodiments, precise tuning of the onset of GIDL can be provided. Some embodiments may provide a reduction in junction leakage (Lb) and a simultaneous increase in threshold voltage (VT). The disclosed techniques can be implemented with planar and non-planar fin-based architectures and can be used in standard metal-oxide-semiconductor (MOS) and complementary MOS (CMOS) process flows, in some embodiments.