Patents by Inventor Balaji Kannan

Balaji Kannan 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: 20160005831
    Abstract: Selective deposition of a silicon-germanium surface layer on semiconductor surfaces can be employed to provide two types of channel regions for field effect transistors. Anneal of an adjustment oxide material on a stack of a silicon-based gate dielectric and a high dielectric constant (high-k) gate dielectric can be employed to form an interfacial adjustment oxide layer contacting a subset of channel regions. Oxygen deficiency can be induced in portions of the high-k dielectric layer overlying the interfacial adjustment oxide layer by deposition of a first work function metallic material layer and a capping layer and a subsequent anneal. Oxygen deficiency can be selectively removed by physically exposing portions of the high-k dielectric layer. A second work function metallic material layer and a gate conductor layer can be deposited and planarized to form gate electrodes that provide multiple effective work functions.
    Type: Application
    Filed: July 1, 2014
    Publication date: January 7, 2016
    Applicant: International Business Machines Corporation
    Inventors: Takashi Ando, Min Dai, Balaji Kannan, Siddarth A. Krishnan, Unoh Kwon
  • Patent number: 9223861
    Abstract: Method, system, and programs for providing identifiers to objects. Input data representing a plurality of objects is received and categorized into a plurality of entity categories. A first graph of entities is generated using the plurality of entity categories. The first graph of entities are matched with a second graph of entities. A comparison of object pairs is then made, in which each object pair includes a first object from the first graph of entities and a corresponding second object from the second graph of entities. Identifiers are assigned to each object based on comparing the object pairs.
    Type: Grant
    Filed: May 10, 2012
    Date of Patent: December 29, 2015
    Assignee: YAHOO! INC.
    Inventors: Balaji Kannan, Aamod Sane, Zhiwei Gu
  • Patent number: 9146123
    Abstract: An example of a method includes determining, electronically, a source location and a destination location in response to an input received through one of a first short message service (SMS) and a general packet radio service (GPRS). The method also includes determining, electronically, a first milestone between the source location and the destination location. Further, the method includes sending directions to reach the first milestone from the source location through a second SMS and an identifier associated with the first milestone. Furthermore, the method includes detecting when to send directions to reach one of a second milestone and the destination location from the first milestone. In addition, the method includes sending directions to reach one of the second milestone and the destination location through a third SMS based on detecting.
    Type: Grant
    Filed: May 19, 2010
    Date of Patent: September 29, 2015
    Assignee: YAHOO! INC.
    Inventors: Sriram Jayaprakash Sathish, Balaji Kannan
  • Publication number: 20150255463
    Abstract: A method for forming a replacement metal gate structure sharing a single work function metal for both the N-FET and the P-FET gates. The method oppositely dopes a high-k material of the N-FET and P-FET gate, respectively, using a single lithography step. The doping allows use of a single work function metal which in turn provides more space in the metal gate opening so that a bulk fill material may occupy more volume of the opening resulting in a lower resistance gate.
    Type: Application
    Filed: March 6, 2014
    Publication date: September 10, 2015
    Applicant: International Business Machines Corporation
    Inventors: Takashi Ando, Balaji Kannan, Siddarth Krishnan, Unoh Kwon, Shahab Siddiqui
  • Publication number: 20150021698
    Abstract: Intrinsic channels one or more intrinsic semiconductor materials are provided in a semiconductor substrate. A high dielectric constant (high-k) gate dielectric layer is formed on the intrinsic channels. A patterned diffusion barrier metallic nitride layer is formed. A threshold voltage adjustment oxide layer is formed on the physically exposed portions of the high-k gate dielectric layer and the diffusion barrier metallic nitride layer. An anneal is performed to drive in the material of the threshold voltage adjustment oxide layer to the interface between the intrinsic channel(s) and the high-k gate dielectric layer, resulting in formation of threshold voltage adjustment oxide portions. At least one work function material layer is formed, and is patterned with the high-k gate dielectric layer and the threshold voltage adjustment oxide portions to form multiple types of gate stacks.
    Type: Application
    Filed: July 18, 2013
    Publication date: January 22, 2015
    Inventors: Takashi Ando, Ramachandra Divakaruni, Balaji Kannan, Siddarth A. Krishnan, Arvind Kumar, Unoh Kwon, Barry P. Linder, Vijay Narayanan
  • Publication number: 20150021699
    Abstract: A high dielectric constant (high-k) gate dielectric layer is formed on semiconductor fins including one or more semiconductor materials. A patterned diffusion barrier metallic nitride layer is formed to overlie at least one channel, while not overlying at least another channel. A threshold voltage adjustment oxide layer is formed on the physically exposed portions of the high-k gate dielectric layer and the diffusion barrier metallic nitride layer. An anneal is performed to drive in the material of the threshold voltage adjustment oxide layer to the interface between the intrinsic channel(s) and the high-k gate dielectric layer, resulting in formation of threshold voltage adjustment oxide portions. At least one workfunction material layer is formed, and is patterned with the high-k gate dielectric layer and the threshold voltage adjustment oxide portions to form multiple types of gate stacks straddling the semiconductor fins.
    Type: Application
    Filed: July 18, 2013
    Publication date: January 22, 2015
    Inventors: Takashi Ando, Michael P. Chudzik, Balaji Kannan, Siddarth A. Krishnan, Unoh Kwon, Vijay Narayanan
  • Publication number: 20140149465
    Abstract: A data processing system employs a pre-processing step to create a simplified view of a received entity graph. During the pre-processing step, only the objects and the attributes of those objects within the graph that are required for data processing are selected. Pruned source and target objects are generated by omitting those attributes that are not required for processing. The pruned objects are included in the simplified view that enhances system performance.
    Type: Application
    Filed: November 26, 2012
    Publication date: May 29, 2014
    Applicant: YAHOO! INC.
    Inventors: Balaji Kannan, Aamod Sane, Zhiwei Gu, Michael Welch
  • Publication number: 20130304741
    Abstract: Method, system, and programs for providing identifiers to objects. Input data representing a plurality of objects is received and categorized into a plurality of entity categories. A first graph of entities is generated using the plurality of entity categories. The first graph of entities are matched with a second graph of entities. A comparison of object pairs is then made, in which each object pair includes a first object from the first graph of entities and a corresponding second object from the second graph of entities. Identifiers are assigned to each object based on comparing the object pairs.
    Type: Application
    Filed: May 10, 2012
    Publication date: November 14, 2013
    Applicant: YAHOO! INC.
    Inventors: Balaji Kannan, Aamod Sane, Zhiwei Gu
  • Patent number: 8558583
    Abstract: A system includes control circuitry configured to provide one or more control pulses in response to a command signal, the one or more control pulses being communicated from the control circuitry to associated circuitry via a connection. A detector is configured to detect a disturbing signal that mitigates reception of the one or more control pulses via the connection. The command signal is controlled to cause the control circuitry to provide one or more additional control pulses when the disturbing signal is detected by the detector to improve a likelihood of the reception of the one or more control pulses via the connection.
    Type: Grant
    Filed: April 12, 2010
    Date of Patent: October 15, 2013
    Assignee: Texas Instruments Incorporated
    Inventors: Victor Samuel Sinow, Bharath Balaji Kannan, Robert A. Neidorff
  • Publication number: 20110288764
    Abstract: An example of a method includes determining, electronically, a source location and a destination location in response to an input received through one of a first short message service (SMS) and a general packet radio service (GPRS). The method also includes determining, electronically, a first milestone between the source location and the destination location. Further, the method includes sending directions to reach the first milestone from the source location through a second SMS and an identifier associated with the first milestone. Furthermore, the method includes detecting when to send directions to reach one of a second milestone and the destination location from the first milestone. In addition, the method includes sending directions to reach one of the second milestone and the destination location through a third SMS based on detecting.
    Type: Application
    Filed: May 19, 2010
    Publication date: November 24, 2011
    Applicant: Yahoo! Inc.
    Inventors: Sriram Jayaprakash SATHISH, Balaji Kannan
  • Publication number: 20110248751
    Abstract: A system includes control circuitry configured to provide one or more control pulses in response to a command signal, the one or more control pulses being communicated from the control circuitry to associated circuitry via a connection. A detector is configured to detect a disturbing signal that mitigates reception of the one or more control pulses via the connection. The command signal is controlled to cause the control circuitry to provide one or more additional control pulses when the disturbing signal is detected by the detector to improve a likelihood of the reception of the one or more control pulses via the connection.
    Type: Application
    Filed: April 12, 2010
    Publication date: October 13, 2011
    Inventors: Victor Samuel Sinow, Bharath Balaji Kannan, Robert A. Neidorff
  • Publication number: 20080268154
    Abstract: Methods for forming a high-k dielectric layer that may be utilized to form a metal gate structure in TANOS charge trap flash memories. In one embodiment, the method may include providing a substrate into a chamber, supplying a gas mixture containing an oxygen containing gas and aluminum containing compound into the chamber, wherein the aluminum containing compound has a formula selected from a group consisting of RxAly(OR?)x and Al(NRR?)3, heating the substrate, and depositing an aluminum oxide layer having a dielectric constant greater than 8 on the heated substrate by a chemical vapor deposition process.
    Type: Application
    Filed: April 30, 2007
    Publication date: October 30, 2008
    Inventors: SHREYAS KHER, Tejal Goyani, Balaji Kannan