International Business Machines Corporation

Globalfoundries Inc.

Adeia Semiconductor Bonding Technologies Inc.

Stmicroelectronics Gmbh

Reinaldo Ariel Vega

Emre Alptekin

Robert Russell Robison

Takashi Ando

Rajasekhar Venigalla

Hari V Mallela

Praneet Adusumilli

Ravikumar Ramachandran

Viraj Yashawant Sardesai

Kangguo Cheng

Cung D Tran

Henry K Utomo

Cheng Chi

Sameer Hemchand Jain

Michael A Guillorn

Ali Khakifirooz

Terence B Hook

Jianshi Tang

Ruilong Xie

Veeraraghavan S Basker

Ruqiang Bao

Li-Wen Hung

Jingyun Zhang

Michael Vincent Aquilino

Tenko Yamashita

Ramachandra Divakaruni

Dechao Guo

Herbert Lei Ho

Gen Tsutsui

Kern Rim

Andrew Mark Greene

John Edward Barth, Jr

Gauri V Karve

David S Wolpert

Gregory Costrini

Huiling Shang

Alexander Reznicek

Lawrence Alfred Clevenger

Brent A Anderson

Junli Wang

Choonghyun Lee

Richard Stephan Wise

Zhengwen O Li

Unoh Kwon

Huiming Bu

Nicholas Anthony Lanzillo

Albert Manhee Chu

Byeong Yeol Kim

Lan Yu

Huimei Zhou

Miaomiao Wang

Wing L Lai

Bruce Bennett Doris

Nicolas J Loubet

Yun Yu Wang

Vijay Narayanan

Shom Ponoth

Evan G Colgan

Heng Wu

Bucknell Chapman Webb

Babar Ali Khan

Fuad Elias Doany

Koji Watanabe

Hiroyuki Miyazoe

Kafai Lai

Johnathan E Faltermeier

Xinhui Wang

Daniel J Jaeger

Xiaobin Yuan

Kehan Tian

Derrick Liu

Jian Yu

Hung H Tran

Adra Carr

William L Nicoll

Dong-Ick Lee

Pooja R Batra

Hanfei Wang

Edward J Nowak

Juntao Li

Chanro Park

Julien Frougier

Keith Kwong Hon Wong

Dominic Joseph Schepis

Kisik Choi

Kevin W Brew

Abhishek Dube

Zhijian Yang

Hongwen Yan

Yong Meng Lee

Keith Howard Tabakman

Xiang Hu

Pietro Montanini

Ying Li

Yunsheng Song

Eric C Harley

Yue Ke

Matthew W Stoker

Melissa Alyson Smith

Yao Yao

A nanosheet semiconductor device includes channel nanosheets each connected to a source/drain region that has a front surface, a rear surface, and an internal recess between the front surface and the rear surface. The device further includes a source/drain region contact in physical contact with the V shaped internal recess, with the front surface, and with the rear surface. The device may be fabricated by forming the source/drain region, recessing the source/drain region, and by forming a sacrificial source/drain region upon and around the recessed source/drain region. The sacrificial source/drain region may be removed and the source/drain region contact may be formed in place thereof.

Wraparound contact with reduced distance to channel

Embodiments of present invention provide a semiconductor structure. The semiconductor structure includes a metal level, the metal level includes a metal strip including a notch at a side of the metal strip or a pass-through inside the metal strip, wherein the notch or the pass-through is at least partially filled with a dielectric material. The metal level further includes a conductive wiring that vertically passes through the metal strip. The conductive wiring is at least partially inside the notch or inside the pass-through and is insulated from the metal strip by the dielectric material. Methods of manufacturing the semiconductor structure are also provided.

Pass-through wiring in notched interconnect

A semiconductor device is provided. The semiconductor device includes a field effect transistor (FET) including first and second source/drain (S/D) epitaxial regions. The semiconductor device also includes a gate cut region at cell boundaries between the first and second S/D epitaxial regions, a dielectric liner and a dielectric core formed in the gate cut region, and a backside power rail (BPR) and a backside power distribution network (BSPDN). The semiconductor device also includes a power via passing through the dielectric core and connecting to the BPR and BSPDN, first metal contacts formed in contact with the first and second S/D epitaxial regions, and a via to backside power rail (VBPR) contact. The dielectric liner separates the power via from the first S/D epitaxial region.

Semiconductor device with power via

A VTFET is on a wafer and a backside power delivery network is on a backside of the wafer. A first backside contact is connected to a gate of the VTFET and a first portion of the backside power delivery network. The VTFET has a first width and the first width is a contacted poly pitch (CPP). The first backside contact may be at least the first width from the VTFET. The first backside contact may be double the first width from the VTFET.

Vertical-transport field-effect transistor with backside gate contact

An approach to forming a semiconductor device where the semiconductor device includes a first power rail that is connected to a decoupling capacitor by way of a first gate. The decoupling capacitor is also connected to a second gate. As such, the decoupling capacitor separates the first gate from the second gate. The decoupling capacitor may include a dielectric liner within a gate cut trench and a ferroelectric material over the dielectric liner. A second power rail may be connected to the decoupling capacitor by way of the second gate. The first gate and the second gate may be inline with respect thereto.

Decoupling capacitor inside gate cut trench

A capacitive memory cell includes an electrode, a tunneling barrier layer in direct contact with the electrode, a charge trapping layer in direct contact with the tunneling barrier layer, a ferroelectric layer in direct contact with the charge trapping layer, and another electrode in direct contact with the ferroelectric layer.

Negative capacitance for ferroelectric capacitive memory cell

A memory, system, and method to improve integration density while maintaining thermal efficiency through a phase change memory cell with a superlattice based thermal barrier. The phase change memory may include a bottom electrode. The phase change memory may also include an active phase change material. The phase change memory may also include a superlattice thermal barrier proximately connected to the active phase change material. The phase change memory may also include a top electrode proximately connected to the superlattice thermal barrier. The system may include the phase change memory cell. The method for forming a phase change memory may include depositing an active phase change material on a bottom electrode. The method may also include depositing a superlattice thermal barrier proximately connected to the active phase change material. The method may also include depositing a top electrode proximately connected to the superlattice thermal barrier.

Phase change memory cell with superlattice based thermal barrier

A memory device is provided. The memory device includes a main feature disposed beneath a surface of a photolithographic mask. The memory device further includes at least one Sub-Resolution Assistant Feature (SRAF) proximate to the main feature beneath the surface. The main feature has an electrical conductivity based on an area relationship with the at least one SRAF.

Random weight initialization of non-volatile memory array

An integrated circuit component includes a first layer including first and second areas of epitaxy material. The first layer has a first polarity. The component further includes a second layer including third and fourth areas of epitaxy material. The second layer has a second polarity that is different than the first polarity. The third area is arranged at least partially above the first area, and the fourth area is arranged at least partially above the second area. The integrated circuit component further includes an interconnect in direct contact with one of the first area and the third area and in direct contact with one of the second area and the fourth area. The interconnect has a top surface that does not extend substantially above an uppermost surface of the second layer.

Buried local interconnect between complementary field-effect transistor cells

A fin-shaped field effect transistor (finFET) device comprising includes a substrate. an insulating layer displaced over the substrate, and a fin. The device also includes a gate formed over the fin, the gate including: a gate stack; and a high-k dielectric on opposing side of the gate stack. The device further includes metallic source and drain regions formed over the fin and on opposing sides of the gate.

Self aligned replacement metal source/drain FINFET

An approach to forming a semiconductor device where the semiconductor device includes a first power rail with one or more vertically stacked contact vias connecting to the first power rail to a portion of a first de-coupling capacitor. The semiconductor device includes the first de-coupling capacitor in a first portion of a semiconductor substrate in a first gate cut trench.

One example of an apparatus includes a conducting channel region. The conducting channel region includes a plurality of epitaxially grown, in situ doped conducting channels arranged in a spaced apart relation relative to each other. A source positioned at a first end of the conducting channel region, and a drain positioned at a second end of the conducting channel region. A gate surrounds all sides of the conducting channel region and fills in spaces between the plurality of epitaxially grown, in situ doped conducting channels.

Gate-all-around field effect transistor having multiple threshold voltages

An apparatus includes a first plate, a second plate, a third plate, a ferroelectric dielectric, and a paraelectric dielectric. The ferroelectric dielectric is between the first plate and the second plate such that the first plate, the ferroelectric dielectric, and the second plate form a first capacitor. The paraelectric dielectric is between the second plate and the third plate such that the second plate, the paraelectric dielectric, and the third plate form a second capacitor.

Ferroelectric and paraelectric stack capacitors

A nanosheet semiconductor device includes a first ferroelectric region between a channel nanosheet stack and a gate contact. The channel nanosheet stack includes a plurality of channel nanosheets each connected to a source and connected to a drain and a gate surrounding the plurality of channel nanosheets and connected to the source and connected to the drain. The nanosheet semiconductor device may further include a second ferroelectric region upon a sidewall of the channel nanosheet stack. Sidewalls of the first ferroelectric region may be substantially coplanar with or inset from underlying sidewalls of the channel nanosheet stack.

Nanosheet transistor with ferroelectric region

A field effect device is provided. The field effect device includes an active gate structure, a gate contact within the active gate structure, wherein the gate contact is the same height as the active gate structure, and a gate cut dielectric on opposite sides of the gate contact and active gate structure.

Gate contact inside gate cut trench

Growing community of inventors

Wappingers Falls, NY, United States of America

Reinaldo Ariel Vega