Patents by Inventor Rajasekaran Swaminathan
Rajasekaran Swaminathan 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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Publication number: 20210066240Abstract: An electronic assembly, and a method for making the electronic assembly, includes a first electronic component, a second electronic component, and a plurality of interconnects. The plurality of interconnects electrically couple the first electronic component to the second electronic component. Each of the plurality of interconnects comprise one of a plurality of first magnetic components in physical alignment with an associated one of a plurality of second magnetic components, the plurality of second magnetic components being components of one of the second electronic component and the plurality of interconnects.Type: ApplicationFiled: September 29, 2017Publication date: March 4, 2021Inventor: Rajasekaran Swaminathan
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Patent number: 10784204Abstract: Integrated circuit (IC) chip die to die channel interconnect configurations (systems and methods for their manufacture) may improve signaling to and through a single ended bus data signal communication channel by including on-die induction structures; on-die interconnect features; on-package first level die bump designs and ground webbing structures; on-package high speed horizontal data signal transmission lines; on-package vertical data signal transmission interconnects; and/or on-package electro-optical (EO) connectors in various die to die interconnect configurations for improved signal connections and transmission through a data signal channel extending through one or more semiconductor device package devices, that may include an electro-optical (EO) connector upon which at least one package device may be mounted, and/or be semiconductor device packages in a package-on-package configuration.Type: GrantFiled: July 2, 2016Date of Patent: September 22, 2020Assignee: Intel CorporationInventors: Kemal Aygun, Richard J. Dischler, Jeff C. Morriss, Zhiguo Qian, Wilfred Gomes, Yu Amos Zhang, Ram S. Viswanath, Rajasekaran Swaminathan, Sriram Srinivasan, Yidnekachew S. Mekonnen, Sanka Ganesan, Eduard Roytman, Mathew J. Manusharow
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Publication number: 20200273784Abstract: Ultra-thin, hyper-density semiconductor packages and techniques of forming such packages are described. An exemplary semiconductor package is formed with one or more of: (i) metal pillars having an ultra fine pitch (e.g., a pitch that is greater than or equal to 150 ?m, etc.); (ii) a large die to-package ratio (e.g., a ratio that is equal to or greater than 0.85, etc.); and (iii) a thin pitch translation interposer. Another exemplary semiconductor package is formed using coreless substrate technology, die back metallization, and low temperature solder technology for ball grid array (BGA) metallurgy. Other embodiments are described.Type: ApplicationFiled: December 30, 2017Publication date: August 27, 2020Inventors: Debendra MALLIK, Robert L. SANKMAN, Robert NICKERSON, Mitul MODI, Sanka GANESAN, Rajasekaran SWAMINATHAN, Omkar KARHADE, Shawna M. LIFF, Amruthavalli ALUR, Sri Chaitra J. CHAVALI
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Publication number: 20200235051Abstract: Various embodiments relate to a semiconductor package. The semiconductor package includes a first die. The first die includes a first bridge interconnect region. The semiconductor package further includes a second die. The second die includes a second bridge interconnect region. The semiconductor package includes a bridge die. The bridge die includes a first contact area to connect to the first bridge interconnect region and a second contact area to connect to the second bridge interconnect region. In the semiconductor package, the first bridge interconnect region is larger than the second bridge interconnect region. Additionally, each of the first bridge interconnect region and the second bridge interconnect region include a plurality of conductive bumps. An average pitch between adjacent bumps of the first bridge interconnect region is larger than an average pitch between adjacent bumps of the second bridge interconnect region.Type: ApplicationFiled: April 3, 2020Publication date: July 23, 2020Inventors: Andrew COLLINS, Bharat P. PENMECHA, Rajasekaran SWAMINATHAN, Ram VISWANATH
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Patent number: 10643945Abstract: Various embodiments relate to a semiconductor package. The semiconductor package includes a first die. The first die includes a first bridge interconnect region. The semiconductor package further includes a second die. The second die includes a second bridge interconnect region. The semiconductor package includes a bridge die. The bridge die includes a first contact area to connect to the first bridge interconnect region and a second contact area to connect to the second bridge interconnect region. In the semiconductor package, the first bridge interconnect region is larger than the second bridge interconnect region. Additionally, each of the first bridge interconnect region and the second bridge interconnect region include a plurality of conductive bumps. An average pitch between adjacent bumps of the first bridge interconnect region is larger than an average pitch between adjacent bumps of the second bridge interconnect region.Type: GrantFiled: December 28, 2017Date of Patent: May 5, 2020Assignee: Intel CorporationInventors: Andrew Collins, Bharat P. Penmecha, Rajasekaran Swaminathan, Ram Viswanath
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Publication number: 20200066641Abstract: Integrated circuit (IC) chip die to die channel interconnect configurations (systems and methods for their manufacture) may improve signaling to and through a single ended bus data signal communication channel by including on-die induction structures; on-die interconnect features; on-package first level die bump designs and ground webbing structures; on-package high speed horizontal data signal transmission lines; on-package vertical data signal transmission interconnects; and/or on-package electro-optical (EO) connectors in various die to die interconnect configurations for improved signal connections and transmission through a data signal channel extending through one or more semiconductor device package devices, that may include an electro-optical (EO) connector upon which at least one package device may be mounted, and/or be semiconductor device packages in a package-on-package configuration.Type: ApplicationFiled: July 2, 2016Publication date: February 27, 2020Inventors: Kemal AYGUN, Richard J. DISCHLER, Jeff C. MORRISS, Zhiguo QIAN, Wilfred GOMES, Yu Amos ZHANG, Ram S. VISWANATH, Rajasekaran SWAMINATHAN, Sriram SRINIVASAN, Yidnekachew S. MEKONNEN, Sanka GANESAN, Eduard ROYTMAN, Mathew J. MANUSHAROW
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Publication number: 20190393121Abstract: Embodiments include semiconductor packages and methods of forming such packages. A semiconductor package includes a die on a package substrate, an integrated heat spreader (IHS) on the package substrate and above the die, and a solder thermal interface material (STIM) coupling the die to the IHS. The semiconductor package includes a low-temperature solder (LTS) paste comprising an alloy of tin and bismuth (Bi), and the LTS paste on a bottom surface of the package substrate having a ball grid array. The LTS paste may have a weight percentage of Bi greater than 35% and a melting point less than or equal to a melting point of the STIM, where the STIM includes indium. The weight percentage of Bi may be between approximately 35% to 58%. The semiconductor package may include a solder ball coupling the LTS paste on the package substrate to the LTS paste on a second package substrate.Type: ApplicationFiled: June 25, 2018Publication date: December 26, 2019Inventors: Rajasekaran SWAMINATHAN, Mukul RENAVIKAR
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Publication number: 20190363049Abstract: A multiple die package is described that has an embedded bridge to connect the dies. One example is a microelectronic package that includes a package substrate, a silicon bridge embedded in the substrate, a first interconnect having a first plurality of contacts at a first location of the silicon bridge, a second interconnect having a second plurality of contacts at a second location of the silicon bridge, a third interconnect having a third plurality of contacts at a third location of the silicon bridge, and an electrically conductive line in the silicon bridge connecting a contact of the first interconnect, a contact of the second interconnect, and a contact of the third interconnect each to each other.Type: ApplicationFiled: March 22, 2017Publication date: November 28, 2019Inventors: Yidnekachew S. MEKONNEN, Kemel AYGUN, Ravindranath V. MAHAJAN, Christopher S. BALDWIN, Rajasekaran SWAMINATHAN
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Publication number: 20190206792Abstract: Various embodiments relate to a semiconductor package. The semiconductor package includes a first die. The first die includes a first bridge interconnect region. The semiconductor package further includes a second die. The second die includes a second bridge interconnect region. The semiconductor package includes a bridge die. The bridge die includes a first contact area to connect to the first bridge interconnect region and a second contact area to connect to the second bridge interconnect region. In the semiconductor package, the first bridge interconnect region is larger than the second bridge interconnect region. Additionally, each of the first bridge interconnect region and the second bridge interconnect region include a plurality of conductive bumps. An average pitch between adjacent bumps of the first bridge interconnect region is larger than an average pitch between adjacent bumps of the second bridge interconnect region.Type: ApplicationFiled: December 28, 2017Publication date: July 4, 2019Inventors: Andrew Collins, Bharat P. Penmecha, Rajasekaran Swaminathan, Ram Viswanath
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Patent number: 10187996Abstract: Embodiments of the present disclosure provide techniques for a printed circuit board (PCB) with a recess to accommodate discrete components of a package attachable to the PCB, in accordance with some embodiments. In one embodiment, a PCB may include a recess disposed in at least a portion of the PCB, to receive at least a portion of a package. The package may be attachable to the PCB via a plurality of connectors. The connectors may be disposed on a side of the package that faces the PCB. The portion of the package may include one or more discrete components disposed on the side of the package that faces the PCB. The recess may have a depth to accommodate those discrete components that have a height that is greater than a height of the connectors. Other embodiments may be described and/or claimed.Type: GrantFiled: March 15, 2017Date of Patent: January 22, 2019Assignee: Intel CorporationInventors: Rajasekaran Swaminathan, Ram S. Viswanath
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Publication number: 20180270957Abstract: Embodiments of the present disclosure provide techniques for a printed circuit board (PCB) with a recess to accommodate discrete components of a package attachable to the PCB, in accordance with some embodiments. In one embodiment, a PCB may include a recess disposed in at least a portion of the PCB, to receive at least a portion of a package. The package may be attachable to the PCB via a plurality of connectors. The connectors may be disposed on a side of the package that faces the PCB. The portion of the package may include one or more discrete components disposed on the side of the package that faces the PCB. The recess may have a depth to accommodate those discrete components that have a height that is greater than a height of the connectors. Other embodiments may be described and/or claimed.Type: ApplicationFiled: March 15, 2017Publication date: September 20, 2018Inventors: Rajasekaran Swaminathan, Ram S. Viswanath
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Patent number: 10074920Abstract: Embodiments of the present disclosure are directed to an interconnect cable including a edge finger connector, and associated configurations and methods. The edge finger connector may be disposed at a first end of the interconnect cable and may connect the interconnect cable to an edge finger included in or coupled to a package substrate. The package substrate may be included in a processor package assembly, and a processor may be mounted on the substrate. The interconnect cable may include one or more elongate conductors, with contacts directly coupled to respective conductors. A second connector may be disposed at a second end of the interconnect cable, and may couple the interconnect cable to a small form-factor pluggable (SFP) case that is configured to connect the interconnect cable to an SFP cable. Other embodiments may be described and claimed.Type: GrantFiled: August 10, 2015Date of Patent: September 11, 2018Assignee: INTEL CORPORATIONInventors: Donald T. Tran, Rajasekaran Swaminathan
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Publication number: 20180007791Abstract: Configurable central processing unit (CPU) package substrates are disclosed. A package substrate is described that includes a processing device interface. The package substrate also includes a memory device electrical interface disposed on the package substrate. The package substrate also includes a removable memory mechanical interface disposed proximately to the memory device electrical interface. The removable memory mechanical interface is to allow a memory device to be easily removed from the package substrate after attachment of the memory device to the package substrate.Type: ApplicationFiled: September 12, 2017Publication date: January 4, 2018Inventors: Mani Prakash, Thomas T. Holden, Jeffory L. Smalley, Ram S. Viswanath, Bassam N. Coury, Dimitrios Ziakas, Chong J. Zhao, Jonathan W. Thibado, Gregorio R. Murtagian, Kuang C. Liu, Rajasekaran Swaminathan, Zhichao Zhang, John M. Lynch, David J. Llapitan, Sanka Ganesan, Xiang Li, George Vergis
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Patent number: 9847308Abstract: The present disclosure relates to the field of fabricating microelectronic packages, wherein magnetic particles distributed within a solder paste may be used to form a magnetic intermetallic compound interconnect. The intermetallic compound interconnect may be exposed to a magnetic field, which can heat a solder material to a reflow temperature for attachment of microelectronic components comprising the microelectronic packages.Type: GrantFiled: December 10, 2014Date of Patent: December 19, 2017Assignee: Intel CorporationInventors: Rajasekaran Swaminathan, Ravindranath V. Mahajan
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Patent number: 9832876Abstract: Configurable central processing unit (CPU) package substrates are disclosed. A package substrate is described that includes a processing device interface. The package substrate also includes a memory device electrical interface disposed on the package substrate. The package substrate also includes a removable memory mechanical interface disposed proximately to the memory device electrical interface. The removable memory mechanical interface is to allow a memory device to be easily removed from the package substrate after attachment of the memory device to the package substrate.Type: GrantFiled: December 18, 2014Date of Patent: November 28, 2017Assignee: Intel CorporationInventors: Mani Prakash, Thomas T. Holden, Jeffory L. Smalley, Ram S. Viswanath, Bassam N. Coury, Dimitrios Ziakas, Chong J. Zhao, Jonathan W. Thibado, Gregorio R. Murtagian, Kuang C. Liu, Rajasekaran Swaminathan, Zhichao Zhang, John M. Lynch, David J. Llapitan, Sanka Ganesan, Xiang Li, George Vergis
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Patent number: 9793233Abstract: Methods of forming a microelectronic packaging structure are described. Those methods may include forming a solder paste comprising a sacrificial polymer on a substrate, curing the solder paste below a reflow temperature of the solder to form a solid composite hybrid bump on the conductive pads, forming a molding compound around the solid composite hybrid bump, and reflowing the hybrid bump, wherein the sacrificial polymer is substantially decomposed.Type: GrantFiled: August 1, 2016Date of Patent: October 17, 2017Assignee: INTEL CORPORATIONInventors: Rajasekaran Swaminathan, Leonel R. Arana, Yoshihiro Tomita, Yosuke Kanaoka
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Patent number: 9674954Abstract: This disclosure relates generally to a chip package assembly arranged to be electrically coupled to a circuit board including a plurality of circuit board contacts. The chip package assembly may include a chip package including a first side and a second side, the second side including a first plurality of contacts arranged to be electrically coupled to the plurality of circuit board contacts and a second plurality of contacts arranged to be electrically coupled to a remote device via a connector assembly.Type: GrantFiled: March 14, 2013Date of Patent: June 6, 2017Assignee: Intel CorporationInventors: Rajasekaran Swaminathan, Donald T. Tran, Brent S. Stone, Ram Viswanath
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Patent number: 9615483Abstract: Embodiments of the present disclosure are directed toward techniques and configurations associated with a package load assembly. In one embodiment, a package load assembly may include a frame configured to form a perimeter around a die area of a package substrate having a first surface configured to be coupled with a surface of the package substrate and a second surface disposed opposite to the first surface. The frame may include deformable members disposed on the second surface, which may be configured to be coupled with a base of a heat sink to distribute force applied between the heat sink and the package substrate, via the frame, and may deform under application of the force, which may allow the base of the heat sink to contact a surface of an integrated heat spreader within the die area of the package substrate.Type: GrantFiled: September 12, 2014Date of Patent: April 4, 2017Assignee: Intel CorporationInventors: Gaurav Chawla, Joshua D. Heppner, Vijaykumar Krithivasan, Michael Garcia, Kuang C. Liu, Rajasekaran Swaminathan
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Patent number: 9603247Abstract: This disclosure relates generally to an electronic package and methods that include an electrically conductive pad, a package insulator layer including a substantially non-conductive material, the package insulator layer being substantially planar, and a via. The via may be formed within the package insulator layer and electrically coupled to the electrically conductive pad. The via may include a conductor extending vertically through at least part of the package insulator layer and having a first end proximate the electrically conductive pad and a second end opposite the first end and a finish layer secured to the second end of the conductor, the finish layer including a gold compound.Type: GrantFiled: August 11, 2014Date of Patent: March 21, 2017Assignee: Intel CorporationInventors: Rajasekaran Swaminathan, Sairam Agraharam, Amruthavalli Pallavi Alur, Ram Viswanath, Wei-Lun Kane Jen
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Publication number: 20160379951Abstract: The present disclosure relates to the field of fabricating microelectronic packages, wherein magnetic particles distributed within a solder paste may be used to form a magnetic intermetallic compound interconnect. The intermetallic compound interconnect may be exposed to a magnetic field, which can heat a solder material to a reflow temperature for attachment of microelectronic components comprising the microelectronic packages.Type: ApplicationFiled: December 10, 2014Publication date: December 29, 2016Applicant: Intel CorporationInventors: RAJASEKARAN SWAMINATHAN, RAVINDRANATH V. MAHAJAN