Patents by Inventor Kaladhar Radhakrishnan

Kaladhar Radhakrishnan 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: 20190295936
    Abstract: The present disclosure is directed to systems and methods for improving the impedance matching of semiconductor package substrates by incorporating one or more magnetic build-up layers proximate relatively large diameter, relatively high capacitance, conductive pads formed on the lower surface of the semiconductor package substrate. The one or more magnetic layers may be formed using a magnetic build-up material deposited on the lower surface of the semiconductor package substrate. Vias conductively coupling the conductive pads to bump pads on the upper surface of the semiconductor package substrate pass through and are at least partially surrounded by the magnetic build-up material.
    Type: Application
    Filed: March 20, 2018
    Publication date: September 26, 2019
    Applicant: Intel Corporation
    Inventors: ZHIGUO QIAN, KALADHAR RADHAKRISHNAN, KEMAL AYGUN
  • Publication number: 20190279973
    Abstract: An apparatus comprises an inductor module including: a module substrate including a magnetic dielectric material: a plurality of inductive circuit elements arranged in the module substrate, wherein an inductive circuit element includes conductive traces arranged as a coil including a first coil end, a second coil end and a coil core, wherein the coil core includes the magnetic dielectric material; and a plurality of conductive contact pads electrically coupled to the first and second coil ends. The contact pads electrically coupled to the first coil ends are arranged on a first surface of the inductor module, and the contact pads electrically coupled to the second coil ends are arranged on a second surface of the inductor module.
    Type: Application
    Filed: May 30, 2019
    Publication date: September 12, 2019
    Inventors: Yongki Min, Reynaldo A. Olmedo, William J. Lambert, Kaladhar Radhakrishnan, Leigh E. Wojewoda, Venkat Anil K. Magadla, Clive R. Hendricks
  • Publication number: 20190214276
    Abstract: Apparatuses and methods including an apparatus for an electronics package are disclosed. According to one embodiment, the apparatus can include one or more magnetic inductors, one or more capacitors positioned one of above or below to the one or more magnetic inductors and a plurality of electrical conductors comprising pillars. The pillars can extend substantially vertically to electrically connect the one or more magnetic inductors and the one or more capacitors to the electronics package and the one or more magnetic inductors, the one or more capacitors and the plurality of conductors are disposed one of above or below the electronics package; and at least one electrical conductor comprising a pillar extending substantially vertically to electrically connect the one or more magnetic inductors and the one or more capacitors.
    Type: Application
    Filed: January 9, 2018
    Publication date: July 11, 2019
    Inventors: Amit K. Jain, Sameer Shekhar, Kaladhar Radhakrishnan
  • Patent number: 10340260
    Abstract: An apparatus comprises an inductor module including: a module substrate including a magnetic dielectric material; a plurality of inductive circuit elements arranged in the module substrate, wherein an inductive circuit element includes conductive traces arranged as a coil including a first coil end, a second coil end and a coil core, wherein the coil core includes the magnetic dielectric material; and a plurality of conductive contact pads electrically coupled to the first and second coil ends. The contact pads electrically coupled to the first coil ends are arranged on a first surface of the inductor module, and the contact pads electrically coupled to the second coil ends are arranged on a second surface of the inductor module.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: July 2, 2019
    Assignee: Intel Corporation
    Inventors: Yongki Min, Reynaldo A. Olmedo, William J. Lambert, Kaladhar Radhakrishnan, Leigh E. Wojewoda, Venkat Anil K. Magadala, Clive R. Hendricks
  • Patent number: 10056182
    Abstract: Embodiments of the present disclosure are directed towards an inductor structure having one or more strips of conductive material disposed around a core. The strips may have contacts at a first end and a second end of the strips, and may be disposed around the core with a gap between the contacts. The inductor structure may be mounted on a surface of a substrate, and one or more traces may be formed in the surface of the substrate to electrically couple two or more of the strips of conductive material to one another to form inductive coils. Other embodiments may be described and/or claimed.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: August 21, 2018
    Assignee: Intel Corporation
    Inventors: Gregorio R. Murtagian, Robert L. Sankman, Brent S. Stone, Kaladhar Radhakrishnan, Joshua D. Heppner
  • Publication number: 20180197845
    Abstract: An apparatus comprises an inductor module including: a module substrate including a magnetic dielectric material; a plurality of inductive circuit elements arranged in the module substrate, wherein an inductive circuit element includes conductive traces arranged as a coil including a first coil end, a second coil end and a coil core, wherein the coil core includes the magnetic dielectric material; and a plurality of conductive contact pads electrically coupled to the first and second coil ends. The contact pads electrically coupled to the first coil ends are arranged on a first surface of the inductor module, and the contact pads electrically coupled to the second coil ends are arranged on a second surface of the inductor module.
    Type: Application
    Filed: March 5, 2018
    Publication date: July 12, 2018
    Inventors: Yongki Min, Reynaldo A. Olmedo, William J. Lambert, Kaladhar Radhakrishnan, Leigh E. Wojewoda, Venkat Anil K. Magadala, Clive R. Hendricks
  • Publication number: 20180101207
    Abstract: Described is an apparatus which comprises: a first voltage regulator (VR) coupled to first one or more inductors, the first VR is to provide power to a first power domain; and a second VR coupled to second one or more inductors at least one of which is inductively coupled to at least one of the first one or more inductors, the second VR is to provide power to a second power domain separate from the first power domain, wherein there is a non-zero phase angle offset between switching transistors of the first VR relative to the second VR.
    Type: Application
    Filed: September 5, 2017
    Publication date: April 12, 2018
    Inventors: Krishna Bharath, Srikrishnan Venkataraman, William J. Lambert, Michael J. Hill, Alexander Slepoy, Dong Zhong, Kaladhar Radhakrishnan, Hector A. Aguirre Diaz, Jonathan P. Douglas
  • Patent number: 9911723
    Abstract: An apparatus comprises an inductor module including: a module substrate including a magnetic dielectric material; a plurality of inductive circuit elements arranged in the module substrate, wherein an inductive circuit element includes conductive traces arranged as a coil including a first coil end, a second coil end and a coil core, wherein the coil core includes the magnetic dielectric material; and a plurality of conductive contact pads electrically coupled to the first and second coil ends. The contact pads electrically coupled to the first coil ends are arranged on a first surface of the inductor module, and the contact pads electrically coupled to the second coil ends are arranged on a second surface of the inductor module.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: March 6, 2018
    Assignee: Intel Corporation
    Inventors: Yongki Min, Reynaldo A. Olmedo, William J. Lambert, Kaladhar Radhakrishnan, Leigh E. Wojewoda, Venkat Anil K. Magadala, Clive R. Hendricks
  • Patent number: 9753510
    Abstract: Described is an apparatus which comprises: a first voltage regulator (VR) coupled to first one or more inductors, the first VR is to provide power to a first power domain; and a second VR coupled to second one or more inductors at least one of which is inductively coupled to at least one of the first one or more inductors, the second VR is to provide power to a second power domain separate from the first power domain, wherein there is a non-zero phase angle offset between switching transistors of the first VR relative to the second VR.
    Type: Grant
    Filed: August 26, 2015
    Date of Patent: September 5, 2017
    Assignee: Intel Corporation
    Inventors: Krishna Bharath, Srikrishnan Venkataraman, William J. Lambert, Michael J. Hill, Alexander Slepoy, Dong Zhong, Kaladhar Radhakrishnan, Hector A. Aguirre Diaz, Jonathan P. Douglas
  • Publication number: 20170179094
    Abstract: An apparatus comprises an inductor module including: a module substrate including a magnetic dielectric material; a plurality of inductive circuit elements arranged in the module substrate, wherein an inductive circuit element includes conductive traces arranged as a coil including a first coil end, a second coil end and a coil core, wherein the coil core includes the magnetic dielectric material; and a plurality of conductive contact pads electrically coupled to the first and second coil ends. The contact pads electrically coupled to the first coil ends are arranged on a first surface of the inductor module, and the contact pads electrically coupled to the second coil ends are arranged on a second surface of the inductor module.
    Type: Application
    Filed: December 18, 2015
    Publication date: June 22, 2017
    Inventors: Yongki Min, Reynaldo A. Olmedo, William J. Lambert, Kaladhar Radhakrishnan, Leigh E. Wojewoda, Venkat Anil K. Magadala, Clive R. Hendricks
  • Publication number: 20170060205
    Abstract: Described is an apparatus which comprises: a first voltage regulator (VR) coupled to first one or more inductors, the first VR is to provide power to a first power domain; and a second VR coupled to second one or more inductors at least one of which is inductively coupled to at least one of the first one or more inductors, the second VR is to provide power to a second power domain separate from the first power domain, wherein there is a non-zero phase angle offset between switching transistors of the first VR relative to the second VR.
    Type: Application
    Filed: August 26, 2015
    Publication date: March 2, 2017
    Inventors: Krishna Bharath, Srikrishnan Venkataraman, William J. Lambert, Michael J. Hill, Alexander Slepoy, Dong Zhong, Kaladhar Radhakrishnan, Hector A. Aguirre Diaz, Jonathan P. Douglas
  • Patent number: 9526175
    Abstract: The present description relates to the field of fabricating microelectronic structures. The microelectronic structure may include a microelectronic substrate have an opening, wherein the opening may be formed through the microelectronic substrate or may be a recess formed in the microelectronic substrate. A microelectronic package may be attached to the microelectronic substrate, wherein the microelectronic package may include an interposer having a first surface and an opposing second surface. A microelectronic device may be attached to the interposer first surface and the interposer may be attached to the microelectronic substrate by the interposer first surface such that the microelectronic device extends into the opening. At least one secondary microelectronic device may be attached to the interposer second surface.
    Type: Grant
    Filed: April 24, 2012
    Date of Patent: December 20, 2016
    Assignee: Intel Corporation
    Inventors: Mathew J. Manusharow, Mihir K. Roy, Kaladhar Radhakrishnan, Debendra Mallik, Edward A. Burton
  • Patent number: 9230944
    Abstract: Embodiments of the present disclosure are directed toward techniques and configurations associated with a capductor assembly. In one embodiment, a capductor assembly may include a semiconductor wafer and a plurality of inductors disposed on a first side of the semiconductor wafer. The plurality of inductors may be embedded in electrically insulative material having a plurality of interconnect structures disposed thereon. The plurality of interconnect structures may be configured to electrically couple the plurality of inductors to a die. The IC assembly may further include a plurality of capacitors disposed on a second side of the wafer disposed opposite the first side of the wafer. The plurality of capacitors may be electrically coupled with a second plurality of interconnect structures that may be configured to electrically couple the plurality of capacitors with the die. Other embodiments may be described and/or claimed.
    Type: Grant
    Filed: August 20, 2014
    Date of Patent: January 5, 2016
    Assignee: INTEL CORPORATION
    Inventors: William J. Lambert, Michael J. Hill, Kaladhar Radhakrishnan
  • Publication number: 20150155092
    Abstract: Embodiments of the present disclosure are directed towards an inductor structure having one or more strips of conductive material disposed around a core. The strips may have contacts at a first end and a second end of the strips, and may be disposed around the core with a gap between the contacts. The inductor structure may be mounted on a surface of a substrate, and one or more traces may be formed in the surface of the substrate to electrically couple two or more of the strips of conductive material to one another to form inductive coils. Other embodiments may be described and/or claimed.
    Type: Application
    Filed: February 6, 2015
    Publication date: June 4, 2015
    Inventors: Gregorio R. Murtagian, Robert L. Sankman, Brent S. Stone, Kaladhar Radhakrishnan, Joshua D. Heppner
  • Publication number: 20140251669
    Abstract: The present description relates to the field of fabricating microelectronic structures. The microelectronic structure may include a microelectronic substrate have an opening, wherein the opening may be formed through the microelectronic substrate or may be a recess formed in the microelectronic substrate. A microelectronic package may be attached to the microelectronic substrate, wherein the microelectronic package may include an interposer having a first surface and an opposing second surface. A microelectronic device may be attached to the interposer first surface and the interposer may be attached to the microelectronic substrate by the interposer first surface such that the microelectronic device extends into the opening. At least one secondary microelectronic device may be attached to the interposer second surface.
    Type: Application
    Filed: April 24, 2012
    Publication date: September 11, 2014
    Inventors: Mathew J. Manusharow, Mihir K. Roy, Kaladhar Radhakrishnan, Debendra Mallik, Edward A. Burton
  • Publication number: 20140167900
    Abstract: Embodiments of the present disclosure are directed towards an inductor structure having one or more strips of conductive material disposed around a core. The strips may have contacts at a first end and a second end of the strips, and may be disposed around the core with a gap between the contacts. The inductor structure may be mounted on a surface of a substrate, and one or more traces may be formed in the surface of the substrate to electrically couple two or more of the strips of conductive material to one another to form inductive coils. Other embodiments may be described and/or claimed.
    Type: Application
    Filed: December 14, 2012
    Publication date: June 19, 2014
    Inventors: Gregorio R. Murtagian, Robert L. Sankman, Brent S. Stone, Kaladhar Radhakrishnan, Joshua D. Heppner
  • Patent number: 8373074
    Abstract: An inductor and multiple inductors embedded in a substrate (e.g., IC package substrate, board substrate, and/or other substrate) is provided herein.
    Type: Grant
    Filed: November 3, 2009
    Date of Patent: February 12, 2013
    Assignee: Intel Corporation
    Inventors: Peter Hazucha, Edward Burton, Trang T. Nguyen, Gerhard Schrom, Fabrice Paillet, Kaladhar Radhakrishnan, Donald S. Gardner, Sung T. Moon, Tanay Karnik
  • Patent number: 8264846
    Abstract: A ceramic package substrate has a recess. This allows a device in that recess to be close to a die attached to the substrate's top side, for better performance. The device may be an array capacitor, an in-silicon voltage regulator, or another device or devices.
    Type: Grant
    Filed: December 14, 2006
    Date of Patent: September 11, 2012
    Assignee: Intel Corporation
    Inventors: Christopher C. Jones, David Bach, Timothe Litt, Larry Binder, Kaladhar Radhakrishnan, Cengiz A. Palanduz
  • Publication number: 20100118501
    Abstract: An inductor and multiple inductors embedded in a substrate (e.g., IC package substrate, board substrate, and/or other substrate) is provided herein.
    Type: Application
    Filed: November 3, 2009
    Publication date: May 13, 2010
    Inventors: Peter Hazucha, Edward Burton, Trang T. Nguyen, Gerhard Schrom, Fabrice Paillet, Kaladhar Radhakrishnan, Donald S. Gardner, Sung T. Moon, Tanay Karnik
  • Patent number: 7692284
    Abstract: An embodiment of the present invention is a technique to fabricate a package substrate. The package substrate includes top substrate layers, an array capacitor, and bottom substrate layers. The top substrate layers embed micro-vias. The micro-vias have a micro-via area and provide electrical connections between the top substrate layers. The array capacitor structure is placed in contact with the micro-via area. The array capacitor structure is electrically connected to the micro-vias. The bottom substrate layers are formed on the array capacitor structure.
    Type: Grant
    Filed: December 12, 2005
    Date of Patent: April 6, 2010
    Assignee: Intel Corporation
    Inventors: Kimberly D. Eilert, Kaladhar Radhakrishnan, Kemal Aygun, Michael J. Hill