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公开(公告)号:US20220310849A1
公开(公告)日:2022-09-29
申请号:US17840186
申请日:2022-06-14
Applicant: Intel Corporation
Inventor: Travis W. LAJOIE , Abhishek SHARMA , Van H. LE , Chieh-Jen KU , Pei-Hua WANG , Jack T. KAVALIEROS , Bernhard SELL , Tahir GHANI , Juan ALZATE VINASCO
IPC: H01L29/786 , H01L29/66 , H01L27/108 , H01L29/49
Abstract: Embodiments herein describe techniques for a semiconductor device including a capacitor and a transistor above the capacitor. A contact electrode may be shared between the capacitor and the transistor. The capacitor includes a first plate above a substrate, and the shared contact electrode above the first plate and separated from the first plate by a capacitor dielectric layer, where the shared contact electrode acts as a second plate for the capacitor. The transistor includes a gate electrode above the substrate and above the capacitor; a channel layer separated from the gate electrode by a gate dielectric layer, and in contact with the shared contact electrode; and a source electrode above the channel layer, separated from the gate electrode by the gate dielectric layer, and in contact with the channel layer. The shared contact electrode acts as a drain electrode of the transistor. Other embodiments may be described and/or claimed.
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公开(公告)号:US20220165737A1
公开(公告)日:2022-05-26
申请号:US17667498
申请日:2022-02-08
Applicant: Intel Corporation
Inventor: Ravi PILLARISETTY , Van H. LE , Gilbert DEWEY , Abhishek A. SHARMA
IPC: H01L27/108
Abstract: A programmable array including a plurality cells aligned in a row on a substrate, wherein each of the plurality of cells includes a programmable element and a transistor, wherein the transistor includes a body including a first diffusion region and a second diffusion region on the first diffusion region and separated by a channel and the programmable element is disposed on the second diffusion region. A method of forming an integrated circuit including forming transistor bodies in a plurality rows on a substrate; forming a masking material as a plurality of rows across the bodies; etching the bodies through the masking material to define a width dimension of the transistor bodies; after etching the bodies, patterning each of the plurality of rows of the masking material into a plurality of individual masking units; and replacing each of the plurality of individual masking units with a programmable element.
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公开(公告)号:US20200350412A1
公开(公告)日:2020-11-05
申请号:US16400758
申请日:2019-05-01
Applicant: Intel Corporation
Inventor: Chieh-Jen KU , Bernhard SELL , Pei-Hua WANG , Gregory GEORGE , Travis W. LAJOIE , Abhishek A. SHARMA , Van H. LE , Jack T. KAVALIEROS , Tahir GHANI , Juan G. ALZATE VINASCO
IPC: H01L29/22 , H01L29/66 , H01L29/786
Abstract: Thin film transistors having alloying source or drain metals are described. In an example, an integrated circuit structure includes a semiconducting oxide material over a gate electrode. A pair of conductive contacts is on a first region of the semiconducting oxide material. A second region of the semiconducting oxide material is between the pair of conductive contacts. The pair of conductive contacts includes a metal species. The metal species is in the first region of the semiconducting oxide material but not in the second region of the semiconducting oxide material.
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公开(公告)号:US20200287022A1
公开(公告)日:2020-09-10
申请号:US16881549
申请日:2020-05-22
Applicant: Intel Corporation
Inventor: Van H. LE , Scott B. CLENDENNING , Martin M. MITAN , Szuya S. LIAO
IPC: H01L29/66 , H01L29/06 , B82Y10/00 , H01L29/423 , H01L29/775 , H01L29/78 , H01L29/786 , H01L21/02
Abstract: Methods of selectively nitriding surfaces of semiconductor devices are disclosed. For example, a hardmask is formed on the top portion of the fins to create SOI structure. The hardmask may be formed by nitriding the top portion of the fin. In other embodiments, silicon nitride is grown on the top portion of the fin to form the hard masks. In another example, internal spacers are formed between adjacent nanowires in a gate-all-around structure. The internal spacers may be formed by nitriding the remaining interlayer material between the channel region and source and drain regions.
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公开(公告)号:US20200098880A1
公开(公告)日:2020-03-26
申请号:US16142045
申请日:2018-09-26
Applicant: Intel Corporation
Inventor: Abhishek SHARMA , Cory WEBER , Van H. LE , Sean MA
IPC: H01L29/47 , H01L29/786 , H01L29/423 , H01L29/66 , H01L27/108 , H01L27/24
Abstract: Embodiments herein describe techniques for a thin-film transistor (TFT) above a substrate. The transistor includes a gate electrode above the substrate, and a channel layer above the substrate, separated from the gate electrode by a gate dielectric layer. The transistor further includes a contact electrode above the channel layer and in contact with a contact area of the channel layer. The contact area has a thickness determined based on a Schottky barrier height of a Schottky barrier formed at an interface between the contact electrode and the contact area, a doping concentration of the contact area, and a contact resistance at the interface between the contact electrode and the contact area. Other embodiments may be described and/or claimed.
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公开(公告)号:US20190189770A1
公开(公告)日:2019-06-20
申请号:US16284980
申请日:2019-02-25
Applicant: Intel Corporation
Inventor: Willy RACHMADY , Matthew V. METZ , Van H. LE , Jack T. KAVALIEROS , Sanaz K. GARDNER
IPC: H01L29/66 , H01L29/786 , H01L29/78 , H01L29/06 , H01L29/775 , H01L29/423 , B82Y10/00 , H01L27/092 , H01L29/16 , H01L29/08
CPC classification number: H01L29/6681 , B82Y10/00 , H01L21/0243 , H01L21/02532 , H01L21/02546 , H01L21/02603 , H01L21/30612 , H01L27/0924 , H01L29/0673 , H01L29/068 , H01L29/0847 , H01L29/16 , H01L29/20 , H01L29/267 , H01L29/42392 , H01L29/66439 , H01L29/6653 , H01L29/66545 , H01L29/66553 , H01L29/775 , H01L29/7853 , H01L29/78696
Abstract: An apparatus including a three-dimensional semiconductor body including a channel region and junction regions disposed on opposite sides of the channel region, the three-dimensional semiconductor body including a plurality of nanowires including a germanium material disposed in respective planes separated in the junction regions by a second material, wherein a lattice constant of the second material is similar to a lattice constant of the germanium material; and a gate stack disposed on the channel region, the gate stack including a gate electrode disposed on a gate dielectric. A method of including forming a plurality of nanowires in separate planes on a substrate, each of the plurality of nanowires including a germanium material and separated from an adjacent nanowire by a sacrificial material; disposing a gate stack on the plurality of nanowires in a designated channel region, the gate stack including a dielectric material and a gate electrode.
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公开(公告)号:US20190122972A1
公开(公告)日:2019-04-25
申请号:US16094817
申请日:2016-06-29
Applicant: Intel Corporation
Inventor: Benjamin CHU-KUNG , Van H. LE , Willy RACHMADY , Matthew V. METZ , Jack T. KAVALIEROS , Ashish AGRAWAL , Seung Hoon SUNG
IPC: H01L23/498 , H01L29/10 , H01L29/66 , H01L29/78
Abstract: A subfin layer is deposited on a substrate. A fin layer is deposited on the subfin layer. The subfin layer has a conduction band energy offset relative to the fin layer to prevent a leakage in the subfin layer. In one embodiment, the subfin layer comprises a group IV semiconductor material layer that has a bandgap greater than a bandgap of the fin layer.
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公开(公告)号:US20180204842A1
公开(公告)日:2018-07-19
申请号:US15574092
申请日:2015-06-23
Applicant: Intel Corporation
Inventor: Elijah V. KARPOV , Jack T. KAVALIEROS , Robert S. CHAU , Niloy MUKHERJEE , Rafael RIOS , Prashant MAJHI , Van H. LE , Ravi PILLARISETTY , Uday SHAH , Gilbert DEWEY , Marko RADOSAVLJEVIC
IPC: H01L27/108 , H01L27/24 , H01L27/11551 , H01L27/1156 , H01L29/786 , H01L45/00 , G11C13/00
CPC classification number: H01L27/108 , G11C13/0007 , H01L27/11551 , H01L27/1156 , H01L27/1214 , H01L27/2436 , H01L27/2472 , H01L27/2481 , H01L29/7869 , H01L45/04 , H01L45/06 , H01L45/1233 , H01L45/145 , H01L45/146 , H01L45/148 , H01L45/1625 , H01L45/1633
Abstract: A thin film transistor is deposited over a portion of a metal layer over a substrate. A memory element is coupled to the thin film transistor to provide a first memory cell. A second memory cell is over the first memory. A logic block is coupled to at least the first memory cell.
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公开(公告)号:US20170186598A1
公开(公告)日:2017-06-29
申请号:US15458897
申请日:2017-03-14
Applicant: Intel Corporation
Inventor: Niti Goel , Robert S. CHAU , Jack T. KAVALIEROS , Benjamin CHU-KUNG , Matthew V. METZ , Niloy MUKHERJEE , Nancy M. ZELICK , Gilbert DEWEY , Willy RACHMADY , Marko RADOSAVLJEVIC , Van H. LE , Ravi PILLARISETTY , Sansaptak DASGUPTA
IPC: H01L21/02 , H01L29/10 , H01L21/8238 , H01L29/16 , H01L29/20 , H01L27/092 , H01L29/06
CPC classification number: H01L21/0245 , H01L21/02381 , H01L21/02461 , H01L21/02463 , H01L21/02502 , H01L21/02532 , H01L21/02543 , H01L21/02546 , H01L21/02598 , H01L21/02639 , H01L21/02647 , H01L21/823807 , H01L21/823821 , H01L21/823878 , H01L21/8252 , H01L27/0922 , H01L27/0924 , H01L29/0649 , H01L29/1054 , H01L29/16 , H01L29/165 , H01L29/20 , H01L29/205 , H01L29/66795 , H01L29/785
Abstract: A single fin or a pair of co-integrated n- and p-type single crystal electronic device fins are epitaxially grown from a substrate surface at a bottom of one or a pair of trenches formed between shallow trench isolation (STI) regions. The fin or fins are patterned and the STI regions are etched to form a height of the fin or fins extending above etched top surfaces of the STI regions. The fin heights may be at least 1.5 times their width. The exposed sidewall surfaces and a top surface of each fin is epitaxially clad with one or more conformal epitaxial materials to form device layers on the fin. Prior to growing the fins, a blanket buffer epitaxial material may be grown from the substrate surface; and the fins grown in STI trenches formed above the blanket layer. Such formation of fins reduces defects from material interface lattice mismatches.
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公开(公告)号:US20220208991A1
公开(公告)日:2022-06-30
申请号:US17695744
申请日:2022-03-15
Applicant: Intel Corporation
Inventor: Seung Hoon SUNG , Abhishek A. SHARMA , Van H. LE , Gilbert DEWEY , Jack T. KAVALIEROS , Tahir GHANI
IPC: H01L29/66 , H01L27/12 , H01L29/06 , H01L29/417 , H01L29/423 , H01L29/786
Abstract: Thin film transistor structures and processes are disclosed that include stacked nanowire bodies to mitigate undesirable short channel effects, which can occur as gate lengths scale down to sub-100 nanometer (nm) dimensions, and to reduce external contact resistance. In an example embodiment, the disclosed structures employ a gate-all-around architecture, in which the gate stack (including a high-k dielectric layer) wraps around each of the stacked channel region nanowires (or nanoribbons) to provide improved electrostatic control. The resulting increased gate surface contact area also provides improved conduction. Additionally, these thin film structures can be stacked with relatively small spacing (e.g., 1 to 20 nm) between nanowire bodies to increase integrated circuit transistor density. In some embodiments, the nanowire body may have a thickness in the range of 1 to 20 nm and a length in the range of 5 to 100 nm.
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