Patents by Inventor Lawrence A. Clevenger

Lawrence A. Clevenger 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).

  • Patent number: 10727124
    Abstract: A method for manufacturing a semiconductor device includes forming a conductive via extending vertically from a conductive layer, and depositing a first dielectric layer on the conductive layer and on lateral sides the conductive via. In the method, the conductive via is recessed with respect to a top surface of the first dielectric layer. An etch stop layer is deposited on the top surface of the first dielectric layer and on a top surface of the conductive via, and a second dielectric layer is deposited on the etch stop layer. The method also includes removing portions of the etch stop layer and the second dielectric layer to create a plurality of trenches spaced apart from each other. A trench of the plurality of trenches is formed over and exposes at least part of the conductive via, and a conductive material is deposited in the plurality of trenches.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: July 28, 2020
    Assignee: International Business Machines Corporation
    Inventors: Lawrence A. Clevenger, Nicholas Anthony Lanzillo, Benjamin D. Briggs
  • Patent number: 10720567
    Abstract: Techniques for preventing switching of spins in a magnetic tunnel junction by stray magnetic fields using a thin film magnetic shield are provided. In one aspect, a method of forming a magnetic tunnel junction includes: forming a stack on a substrate, having a first magnetic layer, a tunnel barrier, and a second magnetic layer; etching the stack to partially pattern the magnetic tunnel junction in the stack, wherein the etching includes patterning the magnetic tunnel junction through the second magnetic layer, the tunnel barrier, and partway through the first magnetic layer; depositing a first spacer and a magnetic shield film onto the partially patterned magnetic tunnel junction; etching back the magnetic shield film and first spacer; complete etching of the magnetic tunnel junction through the first magnetic layer to form a fully patterned magnetic tunnel junction; and depositing a second spacer onto the fully patterned magnetic tunnel junction.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: July 21, 2020
    Assignee: International Business Machines Corporation
    Inventors: Benjamin D. Briggs, Lawrence A. Clevenger, Nicholas A. Lanzillo, Michael Rizzolo, Theodorus E. Standaert
  • Patent number: 10714389
    Abstract: Semiconductor devices and methods to fabricate the devices are provided. For example, a semiconductor device includes a back-end-of-line (BEOL) structure formed on a semiconductor substrate. The BEOL structure further includes at least one metallization layer comprising a pattern of elongated parallel metal lines. The pattern of elongated metal lines comprises a plurality of metal lines having a minimum width and at least one wider metal line having a width which is greater than the minimum width.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: July 14, 2020
    Assignee: ELPIS TECHNOLOGIES, INC.
    Inventors: Hsueh-Chung Chen, James Kelly, Yann Mignot, Cornelius Brown Peethala, Lawrence A. Clevenger
  • Patent number: 10699050
    Abstract: A technique relates to structuring a semiconductor device. First empty cells are placed against hierarchical boundaries of a macro block. Functional cells are added in the macro block. Remaining areas are filled with second empty cells in the macro block. Shape requirements are determined for the first empty cells and the second empty cells. The first and second empty cells are replaced with determined shape requirements.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: June 30, 2020
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: David Wolpert, Erwin Behnen, Lawrence A. Clevenger, Patrick Watson, Chih-Chao Yang, Timothy A. Schell
  • Patent number: 10699950
    Abstract: A method of tailoring BEOL RC parametrics to improve chip performance. According to the method, an integrated circuit design on an integrated circuit chip is analyzed. The analysis comprises calculating Vmax for vias and metal lines in the integrated circuit design over a range of sizes for the vias and the metal lines. Predicted use voltage for applications on the integrated circuit chip is determined. The size or the location of at least one of the vias and the metal lines is tailored based on performance parameters of the integrated circuit chip.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: June 30, 2020
    Assignee: ELPIS TECHNOLOGIES INC.
    Inventors: Lawrence A. Clevenger, Baozhen Li, Kirk D. Peterson, John E. Sheets, II, Terry A. Spooner
  • Patent number: 10700214
    Abstract: Processes and overturned thin film device structures generally include a gate having a concave shape defined by three faces. The processes generally include forming the overturned thin film device structures such that the channel self-aligns to the gate and the source/drain contacts include a self-aligned step height.
    Type: Grant
    Filed: April 5, 2018
    Date of Patent: June 30, 2020
    Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, STMICROELECTRONICS, INC.
    Inventors: Lawrence A. Clevenger, Carl J. Radens, Yiheng Xu, John H. Zhang
  • Publication number: 20200194372
    Abstract: A semiconductor structure includes a plurality of field effect transistors formed on a substrate including p-type doped field effect transistors (pFETs) and n-type doped field effect transistors (nFETs). A self-aligned buried local interconnect electrically connects a bottom source or drain region of the pFET with an adjacent bottom source or drain region of the nFET. The self-aligned buried local interconnect is serially aligned with and intermediate opposing ends of a gate electrode. Other embodiments include methods for forming the buried local interconnect.
    Type: Application
    Filed: December 18, 2018
    Publication date: June 18, 2020
    Inventors: Kangguo CHENG, Lawrence A. CLEVENGER, Carl RADENS, Junli WANG, John H. ZHANG
  • Publication number: 20200194371
    Abstract: A method of increasing the surface area of a contact to an electrical device that in one embodiment includes forming a contact stud extending through an intralevel dielectric layer to a component of the electrical device, and selectively forming a contact region on the contact stud. The selectively formed contact region has an exterior surface defined by a curvature and has a surface area that is greater than a surface area of the contact stud. An interlevel dielectric layer is formed on the intralevel dielectric layer, wherein an interlevel contact extends through the interlevel dielectric layer into direct contact with the selectively formed contact region.
    Type: Application
    Filed: February 25, 2020
    Publication date: June 18, 2020
    Inventors: Lawrence A. Clevenger, Baozhen Li, Kirk D. Peterson, Terry A. Spooner, Junli Wang
  • Patent number: 10681207
    Abstract: Communication source identifier verification system mechanisms are provided. The mechanisms receive communication information for a communication initiated between a source communication system and a destination communication system. The communication information comprises a source identifier and a local device identifier signature specifying zero or more local device identifiers of devices local to the source communication system. The mechanisms retrieve valid device identifier information for an authorized communication source corresponding to the identifier of the source communication system. The mechanisms execute a verification operation that verifies whether the source identifier is validly associated with the source communication system based on the retrieved valid device identifier information and the local device identifier signature.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: June 9, 2020
    Assignee: International Business Machines Corporation
    Inventors: Richard C. Johnson, Spyridon Skordas, Lawrence A. Clevenger
  • Patent number: 10676216
    Abstract: A station for compliance testing of unmanned vehicles comprises a dedicated area for acceptance of an unmanned vehicle. The dedicated area is configured for permitting the unmanned vehicle to be in a first inspection position. The station further comprises a transmitter. The transmitter is directed towards the dedicated area. The transmitter is configured to instruct the unmanned vehicle to perform a behavior. The station further comprises a sensor. The sensor is directed towards the dedicated area. The sensor is configured to detect a non-compliance of the unmanned vehicle. The detected non-compliance is in response to the instructed performed behavior of the unmanned vehicle.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: June 9, 2020
    Assignee: International Business Machines Corporation
    Inventors: Yuk L. Chan, Eileen P. Tedesco, Kyle Gilbertson, Daniel F. Hogerty, Lawrence A. Clevenger, Benjamin D. Briggs
  • Patent number: 10679934
    Abstract: A semiconductor interconnect structure and a method of fabricating the same are provided. The semiconductor interconnect structure includes a sea of interconnect lines including metal lines and neighboring dummy lines. The semiconductor interconnect structure further includes a dielectric layer arranged between the sea of lines.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: June 9, 2020
    Assignee: International Business Machines Corporation
    Inventors: Benjamin D. Briggs, Lawrence A. Clevenger, Huai Huang, Christopher J. Penny, Michael Rizzolo, Hosadurga Shobha
  • Publication number: 20200176108
    Abstract: A delivery device includes a circuit for receiving an authentication signal. The delivery device contains a substance encapsulated therein. The delivery device determines whether a user is authenticated based upon the authentication signal and an identifier stored within the delivery device. The delivery device heats, responsive to determining that the user is not authenticated within a predetermined time period after the delivery device being ingested by the user, the substance encapsulated within the delivery device.
    Type: Application
    Filed: February 11, 2020
    Publication date: June 4, 2020
    Applicant: International Business Machines Corporation
    Inventors: Ira L. Allen, Gregory J. Boss, Lawrence A. Clevenger, Andrew R. Jones, Kevin C. McConnell, John E. Moore, JR.
  • Publication number: 20200176388
    Abstract: A semiconductor wafer has a top surface, a dielectric insulator, a plurality of narrow copper wires, a plurality of wide copper wires, an optical pass through layer over the top surface, and a self-aligned pattern in a photo-resist layer. The plurality of wide copper wires and the plurality of narrow copper wires are embedded in a dielectric insulator. The width of each wide copper wire is greater than the width of each narrow copper. An optical pass through layer is located over the top surface. A self-aligned pattern in a photo-resist layer, wherein photo-resist exists only in areas above the wide copper wires, is located above the optical pass through layer.
    Type: Application
    Filed: February 5, 2020
    Publication date: June 4, 2020
    Inventors: Benjamin D. BRIGGS, Cornelius Brown PEETHALA, Michael RIZZOLO, Koichi MOTOYAMA, Gen TSUTSUI, Ruqiang BAO, Gangadhara Raja MUTHINTI, Lawrence A. CLEVENGER
  • Patent number: 10672984
    Abstract: A method is presented for protecting resistive random access memory (RRAM) stacks within a resistive memory crossbar array. The method includes forming a plurality of conductive lines within an interlayer dielectric (ILD), forming a RRAM stack including a bottom electrode, a top electrode, and a bi-layer hardmask, forming a low-k dielectric layer over the RRAM stack, removing a first layer of the bi-layer hardmask during a via opening, and removing a second layer of the bilayer hardmask concurrently with a plurality of sacrificial layers formed over the low-k dielectric layer.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: June 2, 2020
    Assignee: International Business Machines Corporation
    Inventors: Takashi Ando, Michael Rizzolo, Lawrence A. Clevenger, Shyng-Tsong Chen
  • Publication number: 20200160228
    Abstract: Embodiments of the invention provide a computer-implemented method of generating individualized strategies for a group of team members pursing a team objective based on an optimized team strategy. A team objective and a plurality of inputs associated with a plurality of team members is received at a strategy engine. A training model is applied to the plurality of inputs from the first plurality of team members to generate a plurality of individualized strategies for the first plurality of team members to achieve the team objective. An optimized team strategy based on the plurality of individualized strategies is generated and the individualized strategies are communicated to each team member wherein each team member pursuing their individualized strategy leads to achieving the team objective.
    Type: Application
    Filed: November 15, 2018
    Publication date: May 21, 2020
    Inventors: Mahmoud Amin, Zhenxing Bi, Lawrence A. Clevenger, Leigh Anne H. Clevenger, Krishna R. Tunga
  • Publication number: 20200161175
    Abstract: Back end of line metallization structures and processes of fabricating the metallization structures generally include a top via integration scheme. The top via integration scheme integrally forms the via on top of trench. Thus, the via is fully aligned and can be of a desired critical dimension.
    Type: Application
    Filed: November 19, 2018
    Publication date: May 21, 2020
    Inventors: Chih-Chao Yang, Lawrence A. Clevenger, Benjamin D. Briggs, Brent Anderson
  • Publication number: 20200161239
    Abstract: Techniques facilitating back end of line electrical fuse structure and method of fabrication are provided. A device can comprise a first metal interconnect formed in a dielectric layer of a semiconductor chip. The device can also comprise a second metal interconnect formed in the dielectric layer and adjacent to the first metal interconnect. Further, the device can comprise a vertical electrical fuse element comprising a first portion of a conductive material deposited on a first surface of the first metal interconnect and a second portion of the conductive material deposited on a second surface of the second metal interconnect. The vertical electrical fuse element can comprise a first region comprising a first thickness and a second region comprising a second thickness different than the first thickness.
    Type: Application
    Filed: January 24, 2020
    Publication date: May 21, 2020
    Inventors: Benjamin D. Briggs, Lawrence A. Clevenger, Michael Rizzolo, Chih-Chao Yang
  • Patent number: 10657677
    Abstract: Embodiments include methods, systems, and computer program products for remediating a color vision deficiency. Aspects include receiving a time dependent location information for a user. Aspects also include receiving images of a plurality of objects, wherein each of the plurality of objects corresponds to the time dependent location information and, for each of the plurality of objects, identifying an object type and an object color. Aspects also include determining a number of distinguishable colors required to remediate a color vision deficiency and a number of available colors and overlaying one of the plurality of objects with an available color responsive to a determination that the number of distinguishable colors does not exceed the number of available colors.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: May 19, 2020
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Yuk L. Chan, Lawrence A. Clevenger, Alain Loiseau, Deepti M. Naphade
  • Patent number: 10658585
    Abstract: Methods and devices are provided for fabricating a resistive random-access array having dedicated electroforming contacts. A lower conductive line is formed on an interlayer dielectric layer. A lower electrode is formed on the lower conductive line. An isolation layer is formed having an upper surface which is coplanar with an upper surface of the lower electrode. A stack structure including a metal-oxide layer and upper electrode is formed on the lower electrode. Insulating spacers are formed on sidewalls of the stack structure. The lower electrode, and stack structure form a resistive memory cell, wherein a footprint of the lower electrode is greater than that of the upper electrode. An upper conductive line contacts the upper electrode, and is arranged orthogonal to the lower conductive line. A dedicated electroforming contact contacts an extended portion of the lower electrode which extends past a cross-point of the upper and lower conductive lines.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: May 19, 2020
    Assignee: International Business Machines Corporation
    Inventors: Takashi Ando, Lawrence A. Clevenger, Chih-Chao Yang, Benjamin D. Briggs
  • Patent number: 10658233
    Abstract: Techniques for dielectric damage-free interconnects are provided. In one aspect, a method for forming a Cu interconnect structure includes: forming a via and trench in a dielectric over a metal line M1; depositing a first barrier layer into the via and trench; removing the first barrier layer from the via and trench bottoms using neutral beam oxidation, and removing oxidized portions of the first barrier layer such that the first barrier layer remains along only sidewalls of the via and trench; depositing Cu into the via in direct contact with the metal line M1 to form a via V1; lining the trench with a second barrier layer; and depositing Cu into the trench to form a metal line M2. The second barrier layer can instead include Mn or optionally CuMn so as to further serve as a seed layer. A Cu interconnect structure is also provided.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: May 19, 2020
    Assignee: International Business Machines Corporation
    Inventors: Koichi Motoyama, Benjamin D. Briggs, Gangadhara Raja Muthinti, Cornelius Brown Peethala, Lawrence A. Clevenger