Patents by Inventor Alexander Reznicek

Alexander Reznicek 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).

  • Publication number: 20240128191
    Abstract: A semiconductor structure includes a backside power rail disposed in a backside dielectric layer, and dielectric spacer layers laterally extending inwardly from opposing sidewalls of the backside dielectric layer and on a portion of a bottom surface of the backside power rail.
    Type: Application
    Filed: October 17, 2022
    Publication date: April 18, 2024
    Inventors: Tsung-Sheng Kang, Koichi Motoyama, Oscar van der Straten, Alexander Reznicek
  • Publication number: 20240122076
    Abstract: One or more magnetic tunneling junction (MTJ) pillars are disposed on a substrate. The pillars have one or more magnetic reference layers and one or more magnetic free layers. The magnetic free layers have one or more external surfaces and are made of a magnetic free layer material containing atomic percentage amount of boron. A boron-containing encapsulation layer encapsulates the MTJ pillar(s) and is in direct contact with the magnetic free layer external surfaces. The boron-containing encapsulation layer contains an atomic percentage amount of boron greater than the magnetic free layer atomic percentage amount of boron. Embodiments of the boron-containing encapsulation layer contain at least 95 percent pure boron and are between 1 and 3 nanometers thick.
    Type: Application
    Filed: October 8, 2022
    Publication date: April 11, 2024
    Inventors: Alexander Reznicek, Young-Suk Choi, Matthias Georg Gottwald, Daniel P. Morris
  • Patent number: 11957069
    Abstract: An approach to provide a semiconductor structure for a phase change memory cell with a first liner material surrounding a sidewall of a hole in a dielectric material where the hole in the dielectric is on a bottom electrode in the dielectric material. The semiconductor structure includes a layer of a second liner material on the first liner material, where the second liner material has an improved contact resistance to a phase change material. The semiconductor structure includes the phase change material abutting the layer of the second liner material on the first liner material. The phase change material fills the hole in the dielectric material. The second liner material that is between the phase change material and the first liner material provides a lower contact resistivity with the phase change material in the crystalline phase than the first liner material.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: April 9, 2024
    Assignee: International Business Machines Corporation
    Inventors: Injo Ok, Oleg Gluschenkov, Alexander Reznicek, Soon-Cheon Seo
  • Publication number: 20240113232
    Abstract: A semiconductor device that includes a stack of sheet semiconductor layers, and source and drain regions positioned on opposing sides of a channel region in the stack of sheet semiconductor layers. A first contact is present to an upper sheet portion of the source and drain regions for the stack of sheet semiconductor layers. An extended epitaxial semiconductor region is present in contact with the lower sheet portion of the source/drain regions for the stack of sheet semiconductor layers. A second contact is present in direct contact with an upper surface of the extended epitaxial semiconductor region. A notch may be present in the upper surface of the extended semiconductor region to increase contact surface to the second contact.
    Type: Application
    Filed: September 29, 2022
    Publication date: April 4, 2024
    Inventors: Daniel Schmidt, Ruilong Xie, Alexander Reznicek, Tsung-Sheng Kang
  • Publication number: 20240112986
    Abstract: A semiconductor device includes a transistor having a source/drain region and a contact disposed on the source/drain region. The semiconductor device further includes a via extending from the contact along a side of the source/drain region to a power element. The contact and the via each comprise a plurality of conductive materials.
    Type: Application
    Filed: September 29, 2022
    Publication date: April 4, 2024
    Inventors: Koichi Motoyama, Alexander Reznicek, Tsung-Sheng Kang, Oscar van der Straten
  • Publication number: 20240105768
    Abstract: A semiconductor device includes a nanosheet stack on a substrate. A first source/drain is on a first side of the nanosheet stack and a second source/drain is on an opposing side of the nanosheet stack. A backside contact includes a first contact end on a first end of the first source/drain and an opposing second contact end in electrical communication with a backside power distribution network. A frontside contact includes a first contact end on a first end of the second source/drain and an opposing second contact end in electrical communication with a backend of line (BEOL) interconnect. A placeholder extends from an opposing second end of the second source/drain.
    Type: Application
    Filed: September 22, 2022
    Publication date: March 28, 2024
    Inventors: Ruilong Xie, Daniel Schmidt, Tsung-Sheng Kang, Alexander Reznicek
  • Publication number: 20240105788
    Abstract: A semiconductor device includes a wafer having at least two source/drain (S/D) epi regions. A power rail is arranged on a backside of the wafer. A backside contact (BSCA) has a first portion including a backside local interconnect configured to connect the S/D epi regions together. A plurality of frontside signal wires are connected to the backside local interconnect through a first front side contact.
    Type: Application
    Filed: September 27, 2022
    Publication date: March 28, 2024
    Inventors: Ruilong Xie, Tsung-Sheng Kang, Daniel Schmidt, Alexander Reznicek
  • Patent number: 11942388
    Abstract: An embodiment of the invention may include a semiconductor structure, method of use and method of manufacture. The structure may include a heating element located underneath a temperature-controlled portion of the device. A method of operating the semiconductor device may include providing current to a thin film heater located beneath a temperature-controlled region of the semiconductor device. The method may include performing temperature dependent operations in the temperature-controlled region.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: March 26, 2024
    Assignee: International Business Machines Corporation
    Inventors: Bahman Hekmatshoartabari, Takashi Ando, Nanbo Gong, Alexander Reznicek
  • Publication number: 20240094801
    Abstract: According to one embodiment, a method, computer system, and computer program product for biometric mixed-reality emotional modification is provided. The present invention may include collecting, by a plurality of biosensors, biometric information on a user during a mixed-reality session, wherein the biometric information comprises biomarkers; identifying, by one or more machine learning models, a mental state of the user based on the biometric information; and responsive to determining that the mental state does not match an intended emotion associated with a mixed-reality experience, modifying the mixed-reality experience with one or more virtual content elements.
    Type: Application
    Filed: September 21, 2022
    Publication date: March 21, 2024
    Inventors: Jeremy R. Fox, Alexander Reznicek, Bahman Hekmatshoartabari, Martin G. Keen
  • Publication number: 20240097006
    Abstract: A method of forming a semiconductor device that includes forming an inner dielectric spacer and outer dielectric spacer combination structure on a sacrificial gate structure that is present on a fin structure, wherein the inner dielectric spacer and outer dielectric spacer combination structure separates source and drain regions from the sacrificial gate structure. The method further includes removing the inner sidewall dielectric spacer; and forming a channel epitaxial wrap around layer on the portion of the fin structure that is exposed by removing the inner sidewall dielectric spacer. The method further includes removing the sacrificial gate structure to provide a gate opening to a channel portion of the fin structure, wherein the gate opening exposes the channel epitaxial wrap around layer; and forming a functional gate structure within the gate opening.
    Type: Application
    Filed: November 14, 2023
    Publication date: March 21, 2024
    Inventors: Alexander Reznicek, Takashi Ando, Jingyun Zhang, Ruilong Xie
  • Publication number: 20240096012
    Abstract: In an approach to improve the generation of a virtual object in a three-dimensional virtual environment, embodiments of the present invention identify a virtual object to be generated in a three-dimensional virtual environment based on a natural language utterance. Additionally, embodiments generate the virtual object based on a CLIP-guided Generative Latent Space (CLIP-GLS) analysis, and monitor usage of the generated virtual object in the three-dimensional virtual space. Moreover, embodiments infer human perception data from the monitoring, and generate a utility score for the virtual object based on the human perception data.
    Type: Application
    Filed: September 19, 2022
    Publication date: March 21, 2024
    Inventors: Jeremy R. Fox, Martin G. Keen, Alexander Reznicek, Bahman Hekmatshoartabari
  • Publication number: 20240090235
    Abstract: An apparatus comprising a backside power distribution network; a backside power rail joined to the backside power distribution network; and a backside contact via that couples at least one front end of line transistor to the backside power rail; wherein the backside contact via comprises a pillar based memory device.
    Type: Application
    Filed: September 12, 2022
    Publication date: March 14, 2024
    Inventors: Wu-Chang Tsai, Alexander Reznicek, Michael Rizzolo, Ailian Zhao
  • Publication number: 20240087957
    Abstract: A semiconductor device comprising a contact comprising a first section and a second section; wherein the first section of the contact is located on a front side of a source or drain; wherein the second section extends from the front side of the source or drain to a backside of the source or drain; wherein the second section of the contact is comprised of a via and a connection area; wherein the via has a first width and the connection area has a second width, and wherein the second width is larger than the first width.
    Type: Application
    Filed: September 13, 2022
    Publication date: March 14, 2024
    Inventors: Tsung-Sheng Kang, Oscar van der Straten, Koichi Motoyama, Alexander Reznicek
  • Publication number: 20240090339
    Abstract: Embodiments of the present disclosure relate to a semiconductor device. The semiconductor device includes a bottom electrode, a magnetic tunnel junction (MTJ) stack on the bottom electrode, and a top electrode on the MTJ stack. At least one of the bottom electrode and the top electrode includes doped SiGeSn.
    Type: Application
    Filed: September 13, 2022
    Publication date: March 14, 2024
    Inventors: Pouya Hashemi, Alexander Reznicek
  • Patent number: 11929404
    Abstract: A semiconductor structure comprises a gate structure of a transistor. The gate structure comprises a gate conductive portion disposed on a gate dielectric layer. The semiconductor structure further comprises a capacitor structure disposed on the gate structure. The capacitor structure comprises a first conductive layer, a dielectric layer disposed on the first conductive layer and a second conductive layer disposed on the dielectric layer. The first and second conductive layers are respectively connected to a first contact portion and a second contact portion.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: March 12, 2024
    Assignee: International Business Machines Corporation
    Inventors: Alexander Reznicek, Takashi Ando, Bahman Hekmatshoartabari, Nanbo Gong
  • Publication number: 20240078809
    Abstract: Determining contextual relevance of images to automatically generate notifications is provided. An analysis of an image is performed using a set of machine learning models. A context of a current environment of a user captured in the image is determined based on the analysis of the image. A comparison of the context of the current environment of the user is performed against the known information stored in the knowledge corpus. An insight corresponding to the user activity is generated based on the comparison of the context of the current environment of the user against the known information stored in the knowledge corpus. The insight identifies a set of interested parties corresponding to the user who are to be notified and provides proactive assistance to the user to automatically generate a notification in real time. The notification is generated containing the insight corresponding to the user activity.
    Type: Application
    Filed: September 6, 2022
    Publication date: March 7, 2024
    Inventors: Martin G. Keen, Jeremy R. Fox, Alexander Reznicek, Bahman Hekmatshoartabari
  • Publication number: 20240072164
    Abstract: A semiconductor device includes: a vertical transport field-effect transistor (VTFET) device including a bottom source/drain (S/D) epitaxial layer, a vertical fin channel formed on the bottom S/D epitaxial layer, and a top S/D epitaxial layer formed on the vertical fin channel. The bottom S/D epitaxial layer has an asymmetric profile in cross-section where a first side of the vertical fin channel is aligned with a first side of the bottom S/D epitaxial layer, and the bottom S/D epitaxial layer has a stepped profile that extends beyond a second edge of the vertical fin channel.
    Type: Application
    Filed: August 31, 2022
    Publication date: February 29, 2024
    Inventors: Ruilong Xie, Chun-Chen Yeh, Alexander Reznicek, Kangguo Cheng
  • Patent number: 11915734
    Abstract: A spin-orbit torque magnetoresistive random-access memory device formed by fabricating a spin-Hall-effect (SHE) layer above and in electrical contact with a transistor, forming a spin-orbit-torque (SOT) magnetoresistive random access memory (MRAM) cell stack disposed above and in electrical contact with the SHE rail, wherein the SOT-MRAM cell stack comprises a free layer, a tunnel junction layer, and a reference layer, forming a cylindrical diode structure above and in electrical contact with the SOT-MRAM cell stack, forming a write line disposed in electrical contact with the SHE rail, and forming a read line disposed above and adjacent to an outer cylindrical electrode of the diode structure.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: February 27, 2024
    Assignee: International Business Machines Corporation
    Inventors: Pouya Hashemi, Takashi Ando, Alexander Reznicek
  • Publication number: 20240063121
    Abstract: Backside contacts wrapping around source/drain regions provide increased contact areas for electrical connections between field-effect transistors and metallization layers. Cavities formed within a device layer expose sidewalls of selected source/drain regions. The backside contacts extend within such cavities and adjoin the sidewall surfaces and bottom surfaces of the selected source/drain regions.
    Type: Application
    Filed: August 16, 2022
    Publication date: February 22, 2024
    Inventors: Ruilong Xie, Tsung-Sheng Kang, Daniel Schmidt, Alexander Reznicek
  • Patent number: 11910734
    Abstract: A structure including a bottom electrode, a phase change material layer vertically aligned and an ovonic threshold switching layer vertically aligned above the phase change material layer. A structure including a bottom electrode, a phase change material layer and an ovonic threshold switching layer vertically aligned above the phase change material layer, and a first barrier layer physically separating the ovonic threshold switching layer from a top electrode. A method including forming a structure including a liner vertically aligned above a first barrier layer, the first barrier layer vertically aligned above a phase change material layer, the phase change material layer vertically aligned above a bottom electrode, forming a dielectric surrounding the structure, and forming an ovonic threshold switching layer on the first barrier layer, vertical side surfaces of the first buffer layer are vertically aligned with the first buffer layer, the phase change material layer and the bottom electrode.
    Type: Grant
    Filed: May 4, 2023
    Date of Patent: February 20, 2024
    Assignee: International Business Machines Corporation
    Inventors: Nanbo Gong, Takashi Ando, Robert L. Bruce, Alexander Reznicek, Bahman Hekmatshoartabari