Patents by Inventor Ravindranath Mahajan
Ravindranath Mahajan 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: 20210035881Abstract: A multi-chip unit suitable for chip-level packaging may include multiple IC chips that are interconnected through a metal redistribution structure, and that are directly bonded to an integrated heat spreader. Bonding of the integrated heat spreader to the multiple IC chips may be direct so that no thermal interface material (TIM) is needed, resulting in a reduced bond line thickness (BLT) and lower thermal resistance. The integrated heat spreader may further serve as a structural member of the multi-chip unit, allowing a second side of the redistribution structure to be further interconnected to a host by solder interconnects. The redistribution structure may be fabricated on a sacrificial interposer that may facilitate planarizing IC chips of differing thickness prior to bonding the heat spreader. The sacrificial interposer may be removed to expose the RDL for further interconnection to a substrate without the use of through-substrate vias.Type: ApplicationFiled: August 1, 2019Publication date: February 4, 2021Applicant: Intel CorporationInventors: Debendra Mallik, Ravindranath Mahajan, Digvijay Raorane
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Publication number: 20210005542Abstract: Embodiments disclosed herein include electronic packages and methods of forming electronic packages. In an embodiment, an electronic package comprises an interposer, where the interposer comprises a cavity that passes through the interposer, a through interposer via (TIV), and an interposer pad electrically coupled to the TIV. In an embodiment, the electronic package further comprises a nested component in the cavity, where the nested component comprises a component pad, and a die coupled to the interposer pad by a first interconnect and coupled to the component pad by a second interconnect. In an embodiment, the first interconnect and the second interconnect each comprise an intermediate pad, and a bump over the intermediate pad.Type: ApplicationFiled: July 3, 2019Publication date: January 7, 2021Inventors: Debendra MALLIK, Ravindranath MAHAJAN, Robert SANKMAN, Rahul MANEPALLI, Srinivas PIETAMBARAM
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Publication number: 20200395313Abstract: Embodiments disclosed herein include electronic packages and methods of fabricating electronic packages. In an embodiment, an electronic package comprises an interposer, where a cavity passes through the interposer, and a nested component in the cavity. In an embodiment, the electronic package further comprises a die coupled to the interposer by a first interconnect and coupled to the nested component by a second interconnect. In an embodiment, the first and second interconnects comprise a first bump, a bump pad over the first bump, and a second bump over the bump pad.Type: ApplicationFiled: June 11, 2019Publication date: December 17, 2020Inventors: Debendra MALLIK, Ravindranath MAHAJAN, Robert SANKMAN, Shawna LIFF, Srinivas PIETAMBARAM, Bharat PENMECHA
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Publication number: 20200286814Abstract: Embodiments disclosed herein include electronic packages and methods of forming such electronic packages. In an embodiment, the electronic package comprises a base substrate. The base substrate may have a plurality of through substrate vias. In an embodiment, a first die is over the base substrate. In an embodiment a first cavity is disposed into the base substrate. In an embodiment, the first cavity is at least partially within a footprint of the first die. In an embodiment, a first component is in the first cavity.Type: ApplicationFiled: March 4, 2019Publication date: September 10, 2020Inventors: Ravindranath MAHAJAN, Debendra MALLIK, Sujit SHARAN, Digvijay RAORANE
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Publication number: 20200273811Abstract: IC package including a material preform comprising graphite. The material preform may have a thermal conductivity higher than that of other materials in the package and may therefore mitigate the formation of hot spots within an IC die during device operation. The preform may have high electrical conductivity suitable for EMI shielding. The preform may comprise a graphite sheet that can be adhered to a package assembly with an electrically conductive adhesive, applied, for example over an IC die surface and a surrounding package dielectric material. Electrical interconnects of the package may be coupled to the graphite sheet as an EMI shield. The package preform may be grounded to a reference potential through electrical interconnects of the package, which may be further coupled to a system-level ground plane. System-level thermal solutions may interface with the package-level graphite sheet.Type: ApplicationFiled: February 27, 2019Publication date: August 27, 2020Applicant: Intel CorporationInventors: Debendra Mallik, Mitul Modi, Sanka Ganesan, Edvin Cetegen, Omkar Karhade, Ravindranath Mahajan, James C. Matayabas, Jr., Jan Krajniak, Kumar Singh, Aastha Uppal
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Publication number: 20200227332Abstract: An integrated circuit package may be formed having at least one heat dissipation structure within the integrated circuit package itself. In one embodiment, the integrated circuit package may include a substrate; at least one integrated circuit device, wherein the at least one integrated circuit device is electrically attached to the substrate; a mold material on the substrate and adjacent to the at least one integrated circuit device; and at least one heat dissipation structure contacting the at least one integrated circuit, wherein the at least one heat dissipation structure is embedded either within the mold material or between the mold material and the substrate.Type: ApplicationFiled: January 10, 2019Publication date: July 16, 2020Applicant: Intel CorporationInventors: Kumar Abhishek Singh, Omkar Karhade, Nitin Deshpande, Mitul Modi, Edvin Cetegen, Aastha Uppal, Debendra Mallik, Sanka Ganesan, Yiqun Bai, Jan Krajniak, Manish Dubey, Ravindranath Mahajan, Ram Viswanath, James C. Matayabas, JR.
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Publication number: 20200227341Abstract: A heat exchange module, comprising an array of microchannels, where the array of microchannels extends in a first direction, and are separated from one another by a first sidewall. The array of microchannels is over a cold plate. A first array of fluid distribution channels is stacked over the array of microchannels and extend in a second direction that is substantially orthogonal to the first direction. The first array of fluid distribution channels extends from the first manifold and terminate between a first manifold and a second manifold. A second array of fluid distribution channels is stacked over the array of microchannels. The first array of fluid distribution channels and the second array of the fluid distribution channels are fluidically coupled to the microchannel array. A wall extends into the microchannel array below a second sidewall separating ones of the first array and ones of the second array of fluid distribution channels.Type: ApplicationFiled: January 11, 2019Publication date: July 16, 2020Applicant: Intel CorporationInventors: Nicholas Neal, Je-Young Chang, Jae Kim, Ravindranath Mahajan
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Publication number: 20200186149Abstract: A programmable device may have logic circuitry formed in a top die and memory and specialized processing blocks formed in a bottom die, where the top die is stacked directly on top of the bottom die in a face-to-face configuration. The logic circuitry may include logic sectors, logic array blocks, logic elements, and other types of logic regions. The memory blocks may include large banks of multiport memory for storing data. The specialized processing blocks may include multipliers, adders, and other arithmetic components. The logic circuitry may access the memory and specialized processing blocks via an address encoded scheme. Configured in this way, the maximum operating frequency of the programmable device can be optimized such that critical paths will no longer need to traverse any unused memory and specialized processing blocks.Type: ApplicationFiled: February 12, 2020Publication date: June 11, 2020Applicant: Intel CorporationInventors: Dheeraj Subbareddy, MD Altaf Hossain, Ankireddy Nalamalpu, Robert Sankman, Ravindranath Mahajan, Gregg William Baeckler
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Publication number: 20200105639Abstract: Embodiments include a microelectronic device package structure having a first die on the substrate. One or more additional dice are on the first die, and a thermal electric cooler (TEC) is on the first die adjacent at least one of the one or more additional dice. A dummy die is on the TEC, wherein the dummy die is thermally coupled to the first die.Type: ApplicationFiled: October 2, 2018Publication date: April 2, 2020Applicant: Intel CorporationInventors: Krishna Vasanth Valavala, Ravindranath Mahajan, Chandra Mohan Jha, Kelly Lofgreen, Weihua Tang
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Patent number: 10601426Abstract: A programmable device may have logic circuitry formed in a top die and memory and specialized processing blocks formed in a bottom die, where the top die is stacked directly on top of the bottom die in a face-to-face configuration. The logic circuitry may include logic sectors, logic array blocks, logic elements, and other types of logic regions. The memory blocks may include large banks of multiport memory for storing data. The specialized processing blocks may include multipliers, adders, and other arithmetic components. The logic circuitry may access the memory and specialized processing blocks via an address encoded scheme. Configured in this way, the maximum operating frequency of the programmable device can be optimized such that critical paths will no longer need to traverse any unused memory and specialized processing blocks.Type: GrantFiled: September 6, 2018Date of Patent: March 24, 2020Assignee: Intel CorporationInventors: Dheeraj Subbareddy, Md Altaf Hossain, Ankireddy Nalamalpu, Robert Sankman, Ravindranath Mahajan, Gregg William Baeckler
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Patent number: 10595409Abstract: Embodiments of the present disclosure are directed towards electro-magnetic interference (EMI) shielding techniques and configurations. In one embodiment, an apparatus includes a first substrate, a die having interconnect structures coupled with the first substrate to route input/output (I/O) signals between the die and the first substrate and a second substrate coupled with the first substrate, wherein the die is disposed between the first substrate and the second substrate and at least one of the first substrate and the second substrate include traces configured to provide electro-magnetic interference (EMI) shielding for the die. Other embodiments may be described and/or claimed.Type: GrantFiled: June 20, 2017Date of Patent: March 17, 2020Assignee: INTEL CORPORATIONInventors: Adel A. Elsherbini, Ravindranath Mahajan, John S. Guzek, Nitin A. Deshpande
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Publication number: 20200083890Abstract: A programmable device may have logic circuitry formed in a top die and memory and specialized processing blocks formed in a bottom die, where the top die is stacked directly on top of the bottom die in a face-to-face configuration. The logic circuitry may include logic sectors, logic array blocks, logic elements, and other types of logic regions. The memory blocks may include large banks of multiport memory for storing data. The specialized processing blocks may include multipliers, adders, and other arithmetic components. The logic circuitry may access the memory and specialized processing blocks via an address encoded scheme. Configured in this way, the maximum operating frequency of the programmable device can be optimized such that critical paths will no longer need to traverse any unused memory and specialized processing blocks.Type: ApplicationFiled: September 6, 2018Publication date: March 12, 2020Applicant: Intel CorporationInventors: Dheeraj Subbareddy, MD Altaf Hossain, Ankireddy Nalamalpu, Robert Sankman, Ravindranath Mahajan, Gregg William Baeckler
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Publication number: 20190157152Abstract: Integrated passive components in a stacked integrated circuit package are described. In one embodiment an apparatus has a substrate, a first die coupled to the substrate over the substrate, the first die including a power supply circuit coupled to the substrate to receive power, a second die having a processing core and coupled to the first die over the first die, the first die being coupled to the power supply circuit to power the processing core, a via through the first die, and a passive device formed in the via of the first die and coupled to the power supply circuit.Type: ApplicationFiled: January 18, 2019Publication date: May 23, 2019Inventors: Sujit SHARAN, Ravindranath MAHAJAN, Stefan RUSU, Donald S. GARDNER
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Patent number: 10236209Abstract: Integrated passive component in a stacked integrated circuit package are described. In one embodiment an apparatus has a substrate, a first die coupled to the substrate over the substrate, the first die molding a power supply circuit coupled to the substrate to receive power, a second die having a processing core and coupled to the first die over the first die, the first die being coupled to the power supply circuit to power the processing core, a via through the first die, and a passive device formed in the via of the first die and coupled to the power supply circuit.Type: GrantFiled: December 24, 2014Date of Patent: March 19, 2019Assignee: Intel CorporationInventors: Sujit Sharan, Ravindranath Mahajan, Stefan Rusu, Donald S. Gardner
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Publication number: 20170290155Abstract: Embodiments of the present disclosure are directed towards electro-magnetic interference (EMI) shielding techniques and configurations. In one embodiment, an apparatus includes a first substrate, a die having interconnect structures coupled with the first substrate to route input/output (I/O) signals between the die and the first substrate and a second substrate coupled with the first substrate, wherein the die is disposed between the first substrate and the second substrate and at least one of the first substrate and the second substrate include traces configured to provide electro-magnetic interference (EMI) shielding for the die. Other embodiments may be described and/or claimed.Type: ApplicationFiled: June 20, 2017Publication date: October 5, 2017Inventors: Adel A. Elsherbini, Ravindranath Mahajan, John S. Guzek, Nitin A. Deshpande
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Patent number: 9713255Abstract: Embodiments of the present disclosure are directed towards electro-magnetic interference (EMI) shielding techniques and configurations. In one embodiment, an apparatus includes a first substrate, a die having interconnect structures coupled with the first substrate to route input/output (I/O) signals between the die and the first substrate and a second substrate coupled with the first substrate, wherein the die is disposed between the first substrate and the second substrate and at least one of the first substrate and the second substrate include traces configured to provide electro-magnetic interference (EMI) shielding for the die. Other embodiments may be described and/or claimed.Type: GrantFiled: February 19, 2014Date of Patent: July 18, 2017Assignee: INTEL CORPORATIONInventors: Adel A. Elsherbini, Ravindranath Mahajan, John S. Guzek, Nitin A. Deshpande
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Publication number: 20160190113Abstract: Integrated passive component in a stacked integrated circuit package are described. In one embodiment an apparatus has a substrate, a first die coupled to the substrate over the substrate, the first die molding a power supply circuit coupled to the substrate to receive power, a second die having a processing core and coupled to the first die over the first die, the first die being coupled to the power supply circuit to power the processing core, a via through the first die, and a passive device formed in the via of the first die and coupled to the power supply circuit.Type: ApplicationFiled: December 24, 2014Publication date: June 30, 2016Inventors: SUJIT SHARAN, Ravindranath Mahajan, Stefan Rusu, Donald Gardner
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Publication number: 20150237713Abstract: Embodiments of the present disclosure are directed towards electro-magnetic interference (EMI) shielding techniques and configurations. In one embodiment, an apparatus includes a first substrate, a die having interconnect structures coupled with the first substrate to route input/output (I/O) signals between the die and the first substrate and a second substrate coupled with the first substrate, wherein the die is disposed between the first substrate and the second substrate and at least one of the first substrate and the second substrate include traces configured to provide electro-magnetic interference (EMI) shielding for the die. Other embodiments may be described and/or claimed.Type: ApplicationFiled: February 19, 2014Publication date: August 20, 2015Inventors: Adel A. Elsherbini, Ravindranath Mahajan, John S. Guzek, Nitin A. Deshpande
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Patent number: 8313958Abstract: The present disclosure relates to the field of fabricating microelectronic packages, wherein microelectronic devices of the microelectronic packages may have magnetic attachment structures comprising a magnetic material formed on an attachment structure. The microelectronic device may be aligned on a substrate with a magnetic field and then held in place therewith while being attached to the substrate. The microelectronic device may also be aligned with an alignment plate which magnetically aligns and holds the component in place while being packaged.Type: GrantFiled: May 12, 2010Date of Patent: November 20, 2012Assignee: Intel CorporationInventors: Rajasekaran Swaminathan, Ravindranath Mahajan, John S. Guzek