Patents by Inventor Sameer Pradhan
Sameer Pradhan 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: 10693006Abstract: The present description relates the formation of a first level interlayer dielectric material layer within a non-planar transistor, which may be formed by a spin-on coating technique followed by oxidation and annealing. The first level interlayer dielectric material layer may be substantially void free and may exert a tensile strain on the source/drain regions of the non-planar transistor.Type: GrantFiled: July 19, 2018Date of Patent: June 23, 2020Assignee: Intel CorporationInventors: Sameer Pradhan, Jeanne Luce
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Publication number: 20190013406Abstract: The present description relates the formation of a first level interlayer dielectric material layer within a non-planar transistor, which may be formed by a spin-on coating technique followed by oxidation and annealing. The first level interlayer dielectric material layer may be substantially void free and may exert a tensile strain on the source/drain regions of the non-planar transistor.Type: ApplicationFiled: July 19, 2018Publication date: January 10, 2019Applicant: Intel CorporationInventors: Sameer Pradhan, Jeanne Luce
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Patent number: 10056488Abstract: The present description relates the formation of a first level interlayer dielectric material layer within a non-planar transistor, which may be formed by a spin-on coating technique followed by oxidation and annealing. The first level interlayer dielectric material layer may be substantially void free and may exert a tensile strain on the source/drain regions of the non-planar transistor.Type: GrantFiled: January 6, 2017Date of Patent: August 21, 2018Assignee: Intel CorporationInventors: Sameer Pradhan, Jeanne Luce
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Patent number: 9893148Abstract: A transistor device with a tuned dopant profile is fabricated by implanting one or more dopant migrating mitigating material such as carbon. The process conditions for the carbon implant are selected to achieve a desired peak location and height of the dopant profile for each dopant implant, such as boron. Different transistor devices with similar boron implants may be fabricated with different peak locations and heights for their respective dopant profiles by tailoring the carbon implant energy to effect tuned dopant profiles for the boron.Type: GrantFiled: October 4, 2016Date of Patent: February 13, 2018Assignee: MIE Fujitsu Semiconductor LimitedInventors: Teymur Bakhishev, Sameer Pradhan, Thomas Hoffmann, Sachin R. Sonkusale
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Publication number: 20170125596Abstract: The present description relates the formation of a first level interlayer dielectric material layer within a non-planar transistor, which may be formed by a spin-on coating technique followed by oxidation and annealing. The first level interlayer dielectric material layer may be substantially void free and may exert a tensile strain on the source/drain regions of the non-planar transistor.Type: ApplicationFiled: January 6, 2017Publication date: May 4, 2017Applicant: Intel CorporationInventors: Sameer Pradhan, Jeanne Luce
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Patent number: 9634124Abstract: The present description relates the formation of a first level interlayer dielectric material layer within a non-planar transistor, which may be formed by a spin-on coating technique followed by oxidation and annealing. The first level interlayer dielectric material layer may be substantially void free and may exert a tensile strain on the source/drain regions of the non-planar transistor.Type: GrantFiled: July 17, 2015Date of Patent: April 25, 2017Assignee: Intel CorporationInventors: Sameer Pradhan, Jeanne Luce
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Patent number: 9577041Abstract: A transistor device with a tuned dopant profile is fabricated by implanting one or more dopant migrating mitigating material such as carbon. The process conditions for the carbon implant are selected to achieve a desired peak location and height of the dopant profile for each dopant implant, such as boron. Different transistor devices with similar boron implants may be fabricated with different peak locations and heights for their respective dopant profiles by tailoring the carbon implant energy to effect tuned dopant profiles for the boron.Type: GrantFiled: February 25, 2016Date of Patent: February 21, 2017Assignee: Mie Fujitsu Semiconductor LimitedInventors: Teymur Bakhishev, Sameer Pradhan, Thomas Hoffmann, Sachin R. Sonkusale
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Publication number: 20170025501Abstract: A transistor device with a tuned dopant profile is fabricated by implanting one or more dopant migrating mitigating material such as carbon. The process conditions for the carbon implant are selected to achieve a desired peak location and height of the dopant profile for each dopant implant, such as boron. Different transistor devices with similar boron implants may be fabricated with different peak locations and heights for their respective dopant profiles by tailoring the carbon implant energy to effect tuned dopant profiles for the boron.Type: ApplicationFiled: October 4, 2016Publication date: January 26, 2017Inventors: Teymur Bakhishev, Sameer Pradhan, Thomas Hoffmann, Sachin R. Sonkusale
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Publication number: 20160172444Abstract: A transistor device with a tuned dopant profile is fabricated by implanting one or more dopant migrating mitigating material such as carbon. The process conditions for the carbon implant are selected to achieve a desired peak location and height of the dopant profile for each dopant implant, such as boron. Different transistor devices with similar boron implants may be fabricated with different peak locations and heights for their respective dopant profiles by tailoring the carbon implant energy to effect tuned dopant profiles for the boron.Type: ApplicationFiled: February 25, 2016Publication date: June 16, 2016Inventors: Teymur Bakhishev, Sameer Pradhan, Thomas Hoffmann, Sachin R. Sonkusale
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Patent number: 9368624Abstract: A transistor and method of fabrication thereof includes a screening layer formed at least in part in the semiconductor substrate beneath a channel layer and a gate stack, the gate stack including spacer structures on either side of the gate stack. The transistor includes a shallow lightly doped drain region in the channel layer and a deeply lightly doped drain region at the depth relative to the bottom of the screening layer for reducing junction leakage current. A compensation layer may also be included to prevent loss of back gate control.Type: GrantFiled: July 24, 2015Date of Patent: June 14, 2016Assignee: Mie Fujitsu Semiconductor LimitedInventors: Scott E. Thompson, Lucian Shifren, Pushkar Ranade, Yujie Liu, Sung Hwan Kim, Lingquan Wang, Dalong Zhao, Teymur Bakhishev, Thomas Hoffmann, Sameer Pradhan, Michael Duane
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Patent number: 9299801Abstract: A transistor device with a tuned dopant profile is fabricated by implanting one or more dopant migrating mitigating material such as carbon. The process conditions for the carbon implant are selected to achieve a desired peak location and height of the dopant profile for each dopant implant, such as boron. Different transistor devices with similar boron implants may be fabricated with different peak locations and heights for their respective dopant profiles by tailoring the carbon implant energy to effect tuned dopant profiles for the boron.Type: GrantFiled: March 14, 2013Date of Patent: March 29, 2016Assignee: Mie Fujitsu Semiconductor LimitedInventors: Teymur Bakhishev, Sameer Pradhan, Thomas Hoffmann, Sachin R. Sonkusale
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Publication number: 20160020304Abstract: The present description relates the formation of a first level interlayer dielectric material layer within a non-planar transistor, which may be formed by a spin-on coating technique followed by oxidation and annealing. The first level interlayer dielectric material layer may be substantially void free and may exert a tensile strain on the source/drain regions of the non-planar transistor.Type: ApplicationFiled: July 17, 2015Publication date: January 21, 2016Applicant: INTEL CORPORATONInventors: Sameer Pradhan, Jeanne Luce
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Patent number: 9196727Abstract: A transistor and method of fabrication thereof includes a screening layer formed at least in part in the semiconductor substrate beneath a channel layer and a gate stack, the gate stack including spacer structures on either side of the gate stack. The transistor includes a shallow lightly doped drain region in the channel layer and a deeply lightly doped drain region at the depth relative to the bottom of the screening layer for reducing junction leakage current. A compensation layer may also be included to prevent loss of back gate control.Type: GrantFiled: November 6, 2014Date of Patent: November 24, 2015Assignee: Mie Fujitsu Semiconductor LimitedInventors: Scott E. Thompson, Lucian Shifren, Pushkar Ranade, Yujie Liu, Sung Hwan Kim, Lingquan Wang, Dalong Zhao, Teymur Bakhishev, Thomas Hoffmann, Sameer Pradhan, Michael Duane
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Publication number: 20150333144Abstract: A transistor and method of fabrication thereof includes a screening layer formed at least in part in the semiconductor substrate beneath a channel layer and a gate stack, the gate stack including spacer structures on either side of the gate stack. The transistor includes a shallow lightly doped drain region in the channel layer and a deeply lightly doped drain region at the depth relative to the bottom of the screening layer for reducing junction leakage current. A compensation layer may also be included to prevent loss of back gate control.Type: ApplicationFiled: July 24, 2015Publication date: November 19, 2015Inventors: Scott E. Thompson, Lucian Shifren, Pushkar Ranade, Yujie Liu, Sung Hwan Kim, Lingquan Wang, Dalong Zhao, Teymur Bakhishev, Thomas Hoffmann, Sameer Pradhan, Michael Duane
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Patent number: 9112057Abstract: A method of fabricating a semiconductor device includes providing a substrate having a semiconducting surface and forming a first epitaxial layer on the semiconducting surface. The first epitaxial layer includes a first semiconducting material doped in-situ with at least one dopant of a first conductivity type. The method also includes adding at least one dopant of a second conductivity type into one portion of the substrate to define at least one counter-doped region with an overall doping of the second conductivity type and at least one other region with an overall doping of the first conductivity type in the other portions of substrate. The method further includes forming a second epitaxial layer on the first epitaxial layer, the second epitaxial layer being a second semiconducting material that is substantially undoped.Type: GrantFiled: September 18, 2012Date of Patent: August 18, 2015Assignee: Mie Fujitsu Semiconductor LimitedInventors: Sameer Pradhan, Dalong Zhao, Lingquan Wang, Pushkar Ranade, Lance Scudder
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Patent number: 9105711Abstract: A semiconductor structure is formed with a NFET device and a PFET device. The NFET device is formed by masking the PFET device regions of a substrate, forming a screen layer through epitaxial growth and in-situ doping, and forming an undoped channel layer on the screen layer through epitaxial growth. The PFET device is similarly formed by masking the NFET regions of a substrate, forming a screen layer through epitaxial growth and in-situ doping, and forming an undoped channel layer on the screen layer through epitaxial growth. An isolation region is formed between the NFET and the PFET device areas to remove any facets occurring during the separate epitaxial growth phases. By forming the screen layer through in-situ doped epitaxial growth, a reduction in junction leakage is achieved versus forming the screen layer using ion implantation.Type: GrantFiled: December 19, 2013Date of Patent: August 11, 2015Assignee: MIE Fujitsu Semiconductor LimitedInventors: Lingquan Wang, Teymur Bakhishev, Dalong Zhao, Pushkar Ranade, Sameer Pradhan, Thomas Hoffmann, Lucian Shifren, Lance Scudder
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Patent number: 9087915Abstract: The present description relates the formation of a first level interlayer dielectric material layer within a non-planar transistor, which may be formed by a spin-on coating technique followed by oxidation and annealing. The first level interlayer dielectric material layer may be substantially void free and may exert a tensile strain on the source/drain regions of the non-planar transistor.Type: GrantFiled: December 6, 2011Date of Patent: July 21, 2015Assignee: Intel CorporationInventors: Sameer Pradhan, Jeanne Luce
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Patent number: 9041126Abstract: A semiconductor transistor structure fabricated on a silicon substrate effective to set a threshold voltage, control short channel effects, and control against excessive junction leakage may include a transistor gate having a source and drain structure. A highly doped screening region lies is embedded a vertical distance down from the surface of the substrate. The highly doped screening region is separated from the surface of the substrate by way of a substantially undoped channel layer which may be epitaxially formed. The source/drain structure may include a source/drain extension region which may be raised above the surface of the substrate. The screening region is preferably positioned to be located at or just below the interface between the source/drain region and source/drain extension portion. The transistor gate may be formed below a surface level of the silicon substrate and either above or below the heavily doped portion of the source/drain structure.Type: GrantFiled: September 5, 2013Date of Patent: May 26, 2015Assignee: Mie Fujitsu Semiconductor LimitedInventors: Thomas Hoffmann, Lucian Shifren, Scott E. Thompson, Pushkar Ranade, Jing Wang, Paul E. Gregory, Sachin R. Sonkusale, Lance Scudder, Dalong Zhao, Teymur Bakhishev, Yujie Liu, Lingquan Wang, Weimin Zhang, Sameer Pradhan, Michael Duane, Sung Hwan Kim
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Publication number: 20150061012Abstract: A transistor and method of fabrication thereof includes a screening layer formed at least in part in the semiconductor substrate beneath a channel layer and a gate stack, the gate stack including spacer structures on either side of the gate stack. The transistor includes a shallow lightly doped drain region in the channel layer and a deeply lightly doped drain region at the depth relative to the bottom of the screening layer for reducing junction leakage current. A compensation layer may also be included to prevent loss of back gate control.Type: ApplicationFiled: November 6, 2014Publication date: March 5, 2015Inventors: Scott E. Thompson, Lucian Shifren, Pushkar Ranade, Yujie Liu, Sung Hwan Kim, Lingquan Wang, Dalong Zhao, Teymur Bakhishev, Thomas Hoffmann, Sameer Pradhan, Michael Duane
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Patent number: 8883600Abstract: A transistor and method of fabrication thereof includes a screening layer formed at least in part in the semiconductor substrate beneath a channel layer and a gate stack, the gate stack including spacer structures on either side of the gate stack. The transistor includes a shallow lightly doped drain region in the channel layer and a deeply lightly doped drain region at the depth relative to the bottom of the screening layer for reducing junction leakage current. A compensation layer may also be included to prevent loss of back gate control.Type: GrantFiled: December 21, 2012Date of Patent: November 11, 2014Assignee: SuVolta, Inc.Inventors: Scott E. Thompson, Lucian Shifren, Pushkar Ranade, Yujie Liu, Sung Hwan Kim, Lingquan Wang, Dalong Zhao, Teymur Bakhishev, Thomas Hoffmann, Sameer Pradhan, Michael Duane