Patents by Inventor Judson Robert Holt
Judson Robert Holt has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11652142Abstract: A structure for a lateral bipolar junction transistor is provided. The structure comprising an emitter including a first concentration of a first dopant. A collector including a second concentration of the first dopant, the first concentration of the first dopant may be different from the second concentration of the first dopant. An intrinsic base may be laterally arranged between the emitter and the collector, and an extrinsic base region may be above the intrinsic base. An emitter extension may be arranged adjacent to the emitter, whereby the emitter extension laterally extends under a portion of the extrinsic base region. A halo region may be arranged adjacent to the emitter extension, whereby the halo region laterally extends under another portion of the extrinsic base region.Type: GrantFiled: September 22, 2021Date of Patent: May 16, 2023Assignee: GlobalFoundries U.S. Inc.Inventors: Mankyu Yang, Richard Taylor, III, Alexander Derrickson, Alexander Martin, Jagar Singh, Judson Robert Holt, Haiting Wang
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Publication number: 20230092435Abstract: A structure for a lateral bipolar junction transistor is provided. The structure comprising an emitter including a first concentration of a first dopant. A collector including a second concentration of the first dopant, the first concentration of the first dopant may be different from the second concentration of the first dopant. An intrinsic base may be laterally arranged between the emitter and the collector, and an extrinsic base region may be above the intrinsic base. An emitter extension may be arranged adjacent to the emitter, whereby the emitter extension laterally extends under a portion of the extrinsic base region. A halo region may be arranged adjacent to the emitter extension, whereby the halo region laterally extends under another portion of the extrinsic base region.Type: ApplicationFiled: September 22, 2021Publication date: March 23, 2023Inventors: MANKYU YANG, RICHARD TAYLOR, III, ALEXANDER DERRICKSON, ALEXANDER MARTIN, JAGAR SINGH, JUDSON ROBERT HOLT, HAITING WANG
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Patent number: 11393915Abstract: A transistor device formed on a semiconductor-on-insulator (SOI) substrate including a bulk semiconductor layer, a buried insulation (BOX) layer positioned on the bulk semiconductor layer, and an active semiconductor layer positioned on the BOX layer. The transistor device includes: a gate structure, a sidewall spacer, and a source/drain region; a plurality of distinct openings extending through the active semiconductor layer of the SOI substrate in the source/drain region adjacent the sidewall spacer, each opening of the plurality of openings extending to a respective recess formed in the BOX layer of the SOI substrate in the source/drain region adjacent the sidewall space, wherein each recess extends under a portion of the active semiconductor layer; and an epitaxial (epi) semiconductor material disposed in the recesses in the BOX layer, in the plurality of openings through the active semiconductor layer, and over a surface of the active semiconductor layer.Type: GrantFiled: December 9, 2020Date of Patent: July 19, 2022Assignee: GlobalFoundries U.S. Inc.Inventors: Shesh Mani Pandey, Judson Robert Holt
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Publication number: 20220181468Abstract: A transistor device formed on a semiconductor-on-insulator (SOI) substrate including a bulk semiconductor layer, a buried insulation (BOX) layer positioned on the bulk semiconductor layer, and an active semiconductor layer positioned on the BOX layer. The transistor device includes: a gate structure, a sidewall spacer, and a source/drain region; a plurality of distinct openings extending through the active semiconductor layer of the SOI substrate in the source/drain region adjacent the sidewall spacer, each opening of the plurality of openings extending to a respective recess formed in the BOX layer of the SOI substrate in the source/drain region adjacent the sidewall space, wherein each recess extends under a portion of the active semiconductor layer; and an epitaxial (epi) semiconductor material disposed in the recesses in the BOX layer, in the plurality of openings through the active semiconductor layer, and over a surface of the active semiconductor layer.Type: ApplicationFiled: December 9, 2020Publication date: June 9, 2022Inventors: Shesh Mani Pandey, Judson Robert Holt
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Patent number: 11056591Abstract: A method of forming a semiconductor device is provided, which includes providing gate structures over an active region and forming a hard mask segment on the active region positioned between a first gate structure and a second gate structure. Cavities are formed in the active region using the gate structures and the hard mask segment as masking features, wherein each cavity has a width substantially equal to a minimum gate-to-gate spacing of the semiconductor device. Epitaxial material is grown in the cavities to form substantially uniform epitaxial structures in the active region.Type: GrantFiled: April 11, 2019Date of Patent: July 6, 2021Assignee: GLOBALFOUNDRIES U.S. Inc.Inventors: Jin Wallner, Heng Yang, Judson Robert Holt
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Patent number: 11043566Abstract: A semiconductor device is provided that includes a substrate, an active region, a pair of gates, a plurality of semiconductor structures and a plurality of pillar structures. The active region is over the substrate. The pair of gates is formed over the active region, and each gate of the pair of gates includes a gate structure and a pair of spacer structures disposed on sidewalls of the gate structure. The plurality of semiconductor structures is arranged between the pair of gates in an alternating arrangement configuration having a first width and a second width. The first width is substantially equal to a width of the gate structure. The plurality of semiconductor structures is separated by the plurality of pillar structures.Type: GrantFiled: October 10, 2019Date of Patent: June 22, 2021Assignee: GLOBALFOUNDRIES U.S. Inc.Inventors: Jiehui Shu, Judson Robert Holt, Sipeng Gu, Haiting Wang
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Publication number: 20210111261Abstract: A semiconductor device is provided that includes a substrate, an active region, a pair of gates, a plurality of semiconductor structures and a plurality of pillar structures. The active region is over the substrate. The pair of gates is formed over the active region, and each gate of the pair of gates includes a gate structure and a pair of spacer structures disposed on sidewalls of the gate structure. The plurality of semiconductor structures is arranged between the pair of gates in an alternating arrangement configuration having a first width and a second width. The first width is substantially equal to a width of the gate structure. The plurality of semiconductor structures is separated by the plurality of pillar structures.Type: ApplicationFiled: October 10, 2019Publication date: April 15, 2021Inventors: JIEHUI SHU, JUDSON ROBERT HOLT, SIPENG GU, HAITING WANG
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Publication number: 20200328306Abstract: A method of forming a semiconductor device is provided, which includes providing gate structures over an active region and forming a hard mask segment on the active region positioned between a first gate structure and a second gate structure. Cavities are formed in the active region using the gate structures and the hard mask segment as masking features, wherein each cavity has a width substantially equal to a minimum gate-to-gate spacing of the semiconductor device. Epitaxial material is grown in the cavities to form substantially uniform epitaxial structures in the active region.Type: ApplicationFiled: April 11, 2019Publication date: October 15, 2020Inventors: Jin Wallner, Heng Yang, Judson Robert Holt
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Patent number: 10326007Abstract: Methods of forming a graded SiGe percentage PFET channel in a FinFET or FDSOI device by post gate thermal condensation and oxidation of a high Ge percentage channel layer and the resulting devices are provided. Embodiments include forming a gate dielectric layer over a plurality of Si fins; forming a gate over each fin; forming a HM and spacer layer over and on sidewalls of each gate; forming a cavity in each fin adjacent to the gate and spacer layer; epitaxially growing an un-doped high percentage SiGe layer in each cavity and along sidewalls of each fin; thermally condensing the high percentage SiGe layer, an un-doped low percentage SiGe formed underneath in the substrate and fins; and forming a S/D region over the high percentage SiGe layer in each u-shaped cavity, an upper surface of the S/D regions below the gate dielectric layer.Type: GrantFiled: July 3, 2018Date of Patent: June 18, 2019Assignee: GLOBALFOUNDRIES INC.Inventors: George Robert Mulfinger, Ryan Sporer, Timothy J. McArdle, Judson Robert Holt
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Publication number: 20190043967Abstract: Methods of forming a graded SiGe percentage PFET channel in a FinFET or FDSOI device by post gate thermal condensation and oxidation of a high Ge percentage channel layer and the resulting devices are provided. Embodiments include forming a gate dielectric layer over a plurality of Si fins; forming a gate over each fin; forming a HM and spacer layer over and on sidewalls of each gate; forming a cavity in each fin adjacent to the gate and spacer layer; epitaxially growing an un-doped high percentage SiGe layer in each cavity and along sidewalls of each fin; thermally condensing the high percentage SiGe layer, an un-doped low percentage SiGe formed underneath in the substrate and fins; and forming a S/D region over the high percentage SiGe layer in each u-shaped cavity, an upper surface of the S/D regions below the gate dielectric layer.Type: ApplicationFiled: July 3, 2018Publication date: February 7, 2019Inventors: George Robert MULFINGER, Ryan SPORER, Timothy J. MCARDLE, Judson Robert HOLT
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Patent number: 10163635Abstract: A method for preventing epitaxial merge between adjacent devices of a semiconductor is provided. Embodiments include forming a protection layer over a spacer formed over a first and second plurality of fins deposited within a substrate; pinching off a portion of the protection layer formed within a space between each of the plurality of fins; forming a planarization layer over the protection layer and the spacer; and etching a portion of the spacer to form inner sidewalls between each of the plurality of fins, outer sidewalls of a height greater than the height of the inner sidewalls for preventing the growth of the epitaxial layer beyond the outer sidewalls, or a combination thereof.Type: GrantFiled: October 30, 2017Date of Patent: December 25, 2018Assignee: GLOBALFOUNDRIES INC.Inventors: Yi Qi, Hui Zang, Hsien-Ching Lo, Jerome Ciavatti, Judson Robert Holt
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Patent number: 10043893Abstract: Methods of forming a graded SiGe percentage PFET channel in a FinFET or FDSOI device by post gate thermal condensation and oxidation of a high Ge percentage channel layer and the resulting devices are provided. Embodiments include forming a gate dielectric layer over a plurality of Si fins formed over a substrate; forming a gate over each fin; forming a HM and spacer layer over and on sidewalls of each gate; forming a u-shaped cavity in each fin adjacent to the gate and spacer layer; epitaxially growing an un-doped high percentage SiGe layer in each u-shaped cavity and along sidewalls of each fin; thermally condensing the high percentage SiGe layer, an un-doped low percentage SiGe formed underneath in the substrate and fins; and forming a S/D region over the high percentage SiGe layer in each u-shaped cavity, an upper surface of the S/D regions below the gate dielectric layer.Type: GrantFiled: August 3, 2017Date of Patent: August 7, 2018Assignee: GLOBALFOUNDRIES INC.Inventors: George Robert Mulfinger, Ryan Sporer, Timothy J. McArdle, Judson Robert Holt
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Publication number: 20180138177Abstract: Formation of band-edge contacts include, for example, providing an intermediate semiconductor structure comprising a substrate and a gate thereon and source/drain regions adjacent the gate, depositing a non-epitaxial layer on the source/drain regions, deposing a metal layer on the non-epitaxial layer, and forming metal alloy contacts from the deposited non-epitaxial layer and metal layer on the source/drain regions by annealing the deposited non-epitaxial layer and metal layer.Type: ApplicationFiled: November 16, 2016Publication date: May 17, 2018Applicant: GLOBALFOUNDRIES Inc.Inventors: Tek Po Rinus LEE, Bharat KRISHNAN, Jinping LIU, Hui ZANG, Judson Robert HOLT
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Publication number: 20180130656Abstract: A method of forming defect-free relaxed SiGe fins is provided. Embodiments include forming fully strained defect-free SiGe fins on a first portion of a Si substrate; forming Si fins on a second portion of the Si substrate; forming STI regions between adjacent SiGe fins and Si fins; forming a cladding layer over top and side surfaces of the SiGe fins and the Si fins and over the STI regions in the second portion of the Si substrate; recessing the STI regions on the first portion of the Si substrate, revealing a bottom portion of the SiGe fins; implanting dopant into the Si substrate below the SiGe fins; and annealing.Type: ApplicationFiled: December 15, 2017Publication date: May 10, 2018Inventors: Judson Robert Holt, Jinping Liu, Jody Fronheiser, Bharat Krishnan, Churamani Gaire, Timothy James Mcardle, Murat Kerem Akarvardar
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Patent number: 9349864Abstract: Methods for fabricating integrated circuits including selectively forming layers of increased dopant concentration are provided. In an embodiment, a method for fabricating an integrated circuit includes forming a material layer with a selected facet on a selected plane and a non-selected facet on a non-selected plane. The method further includes performing an epitaxial deposition process with a dopant source to grow an in-situ doped epitaxial material on the material layer. The epitaxial deposition process grows the in-situ doped epitaxial material on the selected facet at a first growth rate and over the non-selected facet at a second growth rate greater than the first growth rate. A layer of increased dopant concentration is selectively formed over the selected facet.Type: GrantFiled: August 14, 2015Date of Patent: May 24, 2016Assignee: GLOBALFOUNDRIES, INC.Inventors: Timothy James Mcardle, Judson Robert Holt, Churamani Gaire
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Patent number: 8987093Abstract: Method of forming multi-gate finFETs with epitaxially-grown merged source/drains. Embodiments of the invention may include forming a plurality of semiconductor fins joined by a plurality of inter-fin semiconductor regions, depositing a sacrificial gate over a center portion of each of the plurality of fins, forming a first merge layer over a first end of each of the plurality of fins to form a first merged fin region, forming a second merge layer over the second end of each of the plurality of fins to form a second merged fin region, etching a portion of the first merged fin region to form a first source/drain base region, etching a portion of the second merged fin region to form a second source/drain base region, forming a first source/drain region on the first source/drain base region, and forming a second source/drain region on the second source/drain base region.Type: GrantFiled: September 20, 2012Date of Patent: March 24, 2015Assignee: International Business Machines CorporationInventors: Eric C. Harley, Judson Robert Holt, Alexander Reznicek, Thomas N. Adam
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Publication number: 20140159113Abstract: Some example embodiments of the invention comprise methods for and semiconductor structures comprised of: a MOS transistor comprised of source/drain regions, a gate dielectric, a gate electrode, channel region; a carbon doped SiGe region that applies a stress on the channel region whereby the carbon doped SiGe region retains stress/strain on the channel region after subsequent heat processing.Type: ApplicationFiled: February 17, 2014Publication date: June 12, 2014Applicant: GLOBALFOUNDRIES Singapore PTE. Ltd.Inventors: Jin Ping LIU, Judson Robert HOLT
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Publication number: 20140080275Abstract: Method of forming multi-gate finFETs with epitaxially-grown merged source/drains. Embodiments of the invention may include forming a plurality of semiconductor fins joined by a plurality of inter-fin semiconductor regions, depositing a sacrificial gate over a center portion of each of the plurality of fins, forming a first merge layer over a first end of each of the plurality of fins to form a first merged fin region, forming a second merge layer over the second end of each of the plurality of fins to form a second merged fin region, etching a portion of the first merged fin region to form a first source/drain base region, etching a portion of the second merged fin region to form a second source/drain base region, forming a first source/drain region on the first source/drain base region, and forming a second source/drain region on the second source/drain base region.Type: ApplicationFiled: September 20, 2012Publication date: March 20, 2014Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Eric C. Harley, Judson Robert Holt, Alexander Reznicek, Thomas N. Adam
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Patent number: 8652892Abstract: Some example embodiments of the invention comprise methods for and semiconductor structures comprised of: a MOS transistor comprised of source/drain regions, a gate dielectric, a gate electrode, channel region; a carbon doped SiGe region that applies a stress on the channel region whereby the carbon doped SiGe region retains stress/strain on the channel region after subsequent heat processing.Type: GrantFiled: May 23, 2011Date of Patent: February 18, 2014Assignees: Globalfoundries Singapore Pte. Ltd.Inventors: Jin Ping Liu, Judson Robert Holt
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Patent number: 8450775Abstract: An example embodiment of a strained channel transistor structure comprises the following: a strained channel region comprising a first semiconductor material with a first natural lattice constant; a gate dielectric layer overlying the strained channel region; a gate electrode overlying the gate dielectric layer; and a source region and drain region oppositely adjacent to the strained channel region, one or both of the source region and drain region are comprised of a stressor region comprised of a second semiconductor material with a second natural lattice constant different from the first natural lattice constant; the stressor region has a graded concentration of a dopant impurity and/or of a stress inducing molecule. Another example embodiment is a process to form the graded impurity or stress inducing molecule stressor embedded S/D region, whereby the location/profile of the S/D stressor is not defined by the recess depth/profile.Type: GrantFiled: September 12, 2011Date of Patent: May 28, 2013Assignees: GLOBALFOUNDRIES Singapore Pte. Ltd.Inventors: Yung Fu Chong, Zhijiong Luo, Judson Robert Holt