Patents by Inventor Kevin (Kunzhong) HU
Kevin (Kunzhong) HU 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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Patent number: 9564391Abstract: An integrated circuit (IC) device is provided. The IC device includes an IC die having opposing first and second surfaces, a carrier coupled to the first surface of the IC die, a laminate coupled to the carrier and the second surface of the IC die, and a trace located on a surface of the laminate and electrically coupled to a bond pad located on the second surface of the IC die. The trace is configured to couple the bond pad to a circuit board.Type: GrantFiled: February 18, 2011Date of Patent: February 7, 2017Assignee: Broadcom CorporationInventors: Kevin (Kunzhong) Hu, Edward Law
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Patent number: 9548251Abstract: A semiconductor package may include a substrate, and a semiconductor interposer having a cavity and a plurality of through semiconductor vias. The semiconductor interposer is situated over the substrate. An intra-interposer die is disposed within the cavity of the semiconductor interposer. A thermally conductive adhesive is disposed within the cavity and contacts the intra-interposer die. Additionally, a top die is situated over the semiconductor interposer. In one implementation, the semiconductor interposer is a silicon interposer. In another implementation, the semiconductor interposer is flip-chip mounted to the substrate such that the intra-interposer die disposed within the cavity faces the substrate. In yet another implementation, the cavity in the semiconductor interposer may extend from a top surface of the semiconductor interposer to a bottom surface of the semiconductor interposer and a thermal interface material may be disposed between the intra-interposer die and the substrate.Type: GrantFiled: January 12, 2012Date of Patent: January 17, 2017Assignee: Broadcom CorporationInventors: Rezaur Rahman Khan, Sam Ziqun Zhao, Pieter Vorenkamp, Kevin Kunzhong Hu, Sampath K. V. Karikalan, Xiangdong Chen
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Patent number: 9431371Abstract: There are disclosed herein various implementations of semiconductor packages including a bridge interposer. One exemplary implementation includes a first active die having a first portion situated over the bridge interposer, and a second portion not situated over the bridge interposer. The semiconductor package also includes a second active die having a first portion situated over the bridge interposer, and a second portion not situated over the bridge interposer. The second portion of the first active die and the second portion of the second active die include solder balls mounted on a package substrate, and are configured to communicate electrical signals to the package substrate utilizing the solder balls and without utilizing through-semiconductor vias (TSVs).Type: GrantFiled: April 30, 2015Date of Patent: August 30, 2016Assignee: Broadcom CorporationInventors: Sampath K. Karikalan, Sam Ziqun Zhao, Kevin Kunzhong Hu, Rezaur Rahman Khan, Pieter Vorenkamp, Xiangdong Chen
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Publication number: 20160155728Abstract: An exemplary implementation of the present disclosure includes a stacked package having a top die from a top reconstituted wafer situated over a bottom die from a bottom reconstituted wafer. The top die and the bottom die are insulated from one another by an insulation arrangement. The top die and the bottom die are also interconnected through the insulation arrangement. The insulation arrangement can include a top molding compound that flanks the top die and a bottom molding compound that flanks the bottom die. The top die and the bottom die can be interconnected through at least the, top molding compound. Furthermore, the top die and the bottom die can be interconnected through a conductive via that extends within the insulation arrangement.Type: ApplicationFiled: February 8, 2016Publication date: June 2, 2016Inventors: Sam Ziqun ZHAO, Rezaur Rahman KHAN, Pieter VORENKAMP, Sampath K.V. KARIKALAN, Kevin Kunzhong HU, Xiangdong CHEN
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Patent number: 9293393Abstract: An exemplary implementation of the present disclosure includes a stacked package having a top die from a top reconstituted wafer situated over a bottom die from a bottom reconstituted wafer. The top die and the bottom die are insulated from one another by an insulation arrangement. The top die and the bottom die are also interconnected through the insulation arrangement. The insulation arrangement can include a top molding compound that flanks the top die and a bottom molding compound that flanks the bottom die. The top die and the bottom die can be interconnected through at least the top molding compound. Furthermore, the top die and the bottom die can be interconnected through a conductive via that extends within the insulation arrangement.Type: GrantFiled: February 7, 2014Date of Patent: March 22, 2016Assignee: Broadcom CorporationInventors: Kevin Kunzhong Hu, Sam Ziqun Zhao, Rezaur Rahman Khan, Pieter Vorenkamp, Sampath K. V. Karikalan, Xiangdong Chen
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Patent number: 9275976Abstract: There are disclosed herein various implementations of a system-in-package with integrated socket. In one such implementation, the system-in-package includes a first active die having a first plurality of electrical connectors on a top surface of the first active die, an interposer situated over the first active die, and a second active die having a second plurality of electrical connectors on a bottom surface of the second active die. The interposer is configured to selectively couple at least one of the first plurality of electrical connectors to at least one of the second plurality of electrical connectors. In addition, a socket encloses the first and second active dies and the interposer, the socket being electrically coupled to at least one of the first active die, the second active die, and the interposer.Type: GrantFiled: February 24, 2012Date of Patent: March 1, 2016Assignee: Broadcom CorporationInventors: Sam Ziqun Zhao, Kevin Kunzhong Hu, Sampath K. V. Karikalan, Rezaur Rahman Khan, Pieter Vorenkamp, Xiangdong Chen
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Patent number: 9153507Abstract: An exemplary implementation of the present disclosure includes a testable semiconductor package that includes an active die having interface contacts and dedicated testing contacts. An interposer is situated adjacent a bottom surface of the active die, the interposer providing electrical connections between the interface contacts and a bottom surface of the testable semiconductor package. At least one conductive medium provides electrical connection between at least one of the dedicated testing contacts and a top surface of the testable semiconductor package. The at least one conductive medium can be coupled to a package-top testing connection, which may include a solder ball.Type: GrantFiled: January 31, 2012Date of Patent: October 6, 2015Assignee: BROADCOM CORPORATIONInventors: Sam Ziqun Zhao, Kevin Kunzhong Hu, Sampath K. V. Karikalan, Rezaur Rahman Khan, Pieter Vorenkamp, Xiangdong Chen
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Publication number: 20150235992Abstract: There are disclosed herein various implementations of semiconductor packages including a bridge interposer. One exemplary implementation includes a first active die having a first portion situated over the bridge interposer, and a second portion not situated over the bridge interposer. The semiconductor package also includes a second active die having a first portion situated over the bridge interposer, and a second portion not situated over the bridge interposer. The second portion of the first active die and the second portion of the second active die include solder balls mounted on a package substrate, and are configured to communicate electrical signals to the package substrate utilizing the solder balls and without utilizing through-semiconductor vias (TSVs).Type: ApplicationFiled: April 30, 2015Publication date: August 20, 2015Inventors: Sampath K. KARIKALAN, Sam Ziqun ZHAO, Kevin Kunzhong HU, Rezaur Rahman KHAN, Pieter VORENKAMP, Xiangdong CHEN
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Patent number: 9059179Abstract: There are disclosed herein various implementations of semiconductor packages including a bridge interposer. One exemplary implementation includes a first active die having a first portion situated over the bridge interposer, and a second portion not situated over the bridge interposer. The semiconductor package also includes a second active die having a first portion situated over the bridge interposer, and a second portion not situated over the bridge interposer. The second portion of the first active die and the second portion of the second active die include solder balls mounted on a package substrate, and are configured to communicate electrical signals to the package substrate utilizing the solder balls and without utilizing through-semiconductor vias (TSVs).Type: GrantFiled: December 28, 2011Date of Patent: June 16, 2015Assignee: Broadcom CorporationInventors: Sampath K. V. Karikalan, Sam Ziqun Zhao, Kevin Kunzhong Hu, Rezaur Rahman Khan, Pieter Vorenkamp, Xiangdong Chen
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Patent number: 9041171Abstract: An exemplary implementation of the present disclosure includes a programmable interposer having top and bottom interface electrodes and conductive particles interspersed within the programmable interposer. The conductive particles are capable of forming an aligned configuration between the top and bottom interface electrodes in response to application of an energy field to the programmable interposer so as to electrically connect the top and bottom interface electrodes. The conductive particles can have a conductive outer surface. Also, the conductive particles can be spherical. The conductive particles can be within a bulk material in an interface layer in the programmable interposer, and the bulk material can be cured to secure programmed paths between the top and bottom interface electrodes.Type: GrantFiled: December 29, 2011Date of Patent: May 26, 2015Assignee: Broadcom CorporationInventors: Sam Ziqun Zhao, Kevin Kunzhong Hu, Sampath K. V. Karikalan, Rezaur Rahman Khan, Pieter Vorenkamp, Xiangdong Chen
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Patent number: 9013041Abstract: There are disclosed herein various implementations of semiconductor packages including an interposer without through-semiconductor vias (TSVs). One exemplary implementation includes a first active die situated over an interposer. The interposer includes an interposer dielectric having intra-interposer routing traces. The first active die communicates electrical signals to a package substrate situated below the interposer utilizing the intra-interposer routing traces and without utilizing TSVs. In one implementation, the semiconductor package includes a second active die situated over the interposer, the second active die communicating electrical signals to the package substrate utilizing the intra-interposer routing traces and without utilizing TSVs. Moreover, in one implementation, the first active die and the second active die communicate chip-to-chip signals through the interposer.Type: GrantFiled: December 28, 2011Date of Patent: April 21, 2015Assignee: Broadcom CorporationInventors: Sampath K. V. Karikalan, Sam Ziqun Zhao, Kevin Kunzhong Hu, Rezaur Rahman Khan, Pieter Vorenkamp, Xiangdong Chen
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Patent number: 8945991Abstract: There are disclosed herein various implementations of improved wafer level semiconductor packages. One exemplary implementation comprises forming a post-fabrication redistribution layer (post-Fab RDL) between first and second dielectric layers affixed over a surface of a wafer, and forming a window for receiving an electrical contact body in the second dielectric layer, the window exposing the post-Fab RDL. At least one of the first and second dielectric layers is a pre-formed dielectric layer, which may be affixed over the surface of the wafer using a lamination process. In one implementation, the window is formed using a direct laser ablation process.Type: GrantFiled: November 22, 2013Date of Patent: February 3, 2015Assignee: Broadcom CorporationInventors: Kevin (Kunzhong) Hu, Chonghua Zhong, Edward Law
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Patent number: 8928128Abstract: There are disclosed herein various implementations of a shield interposer situated between a top active die and a bottom active die for shielding the active dies from electromagnetic noise. One implementation includes an interposer dielectric layer, a through-silicon via (TSV) within the interposer dielectric layer, and an electromagnetic shield. The TSV connects the electromagnetic shield to a first fixed potential. The electromagnetic shield may include a grid of conductive layers laterally extending across the shield interposer. The shield interposer may also include another electromagnetic shield connected to another fixed potential.Type: GrantFiled: February 27, 2012Date of Patent: January 6, 2015Assignee: Broadcom CorporationInventors: Sampath K. V. Karikalan, Kevin Kunzhong Hu, Sam Ziqun Zhao, Rezaur Rahman Khan, Pieter Vorenkamp, Xiangdong Chen
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Patent number: 8922014Abstract: There are disclosed herein various implementations of improved wafer level semiconductor packages. One exemplary implementation comprises forming a post-fabrication redistribution layer (post-Fab RDL) between first and second dielectric layers affixed over a surface of a wafer, and forming a window for receiving an electrical contact body in the second dielectric layer, the window exposing the post-Fab RDL. At least one of the first and second dielectric layers is a pre-formed dielectric layer, which may be affixed over the surface of the wafer using a lamination process. In one implementation, the window is formed using a direct laser ablation process.Type: GrantFiled: November 21, 2013Date of Patent: December 30, 2014Assignee: Broadcom CorporationInventors: Kevin (Kunzhong) Hu, Chonghua Zhong, Edward Law
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Patent number: 8872321Abstract: One implementation of present disclosure includes a semiconductor package stack. The semiconductor package stack includes an upper package coupled to a lower package by a plurality of solder balls. The semiconductor package stack also includes a lower active die situated in a lower package substrate in the lower package. The lower active die is thermally coupled to a heat spreader in the upper package by a thermal interface material. An upper active die is situated in an upper package substrate in the upper package, the upper package substrate being situated over the heat spreader. The thermal interface material can include an array of aligned carbon nanotubes within a filler material. The heat spreader can include at least one layer of metal or metal alloy. Furthermore, the heat spreader can be connected to ground or a DC voltage source. The plurality of solder balls can be situated under the heat spreader.Type: GrantFiled: February 24, 2012Date of Patent: October 28, 2014Assignee: Broadcom CorporationInventors: Sam Ziqun Zhao, Rezaur Rahman Khan, Kevin Kunzhong Hu, Sampath K. V. Karikalan, Pieter Vorenkamp, Xiangdong Chen
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Patent number: 8791533Abstract: There are disclosed herein various implementations of semiconductor packages having an interposer configured for magnetic signaling. One exemplary implementation includes a die transmit pad in an active die for transmitting a magnetic signal corresponding to a die electrical signal produced by the active die, and an interposer magnetic tunnel junction (MTJ) pad in the interposer for receiving the magnetic signal. A sensing circuit is coupled to the interposer MTJ pad for producing a receive electrical signal corresponding to the magnetic signal. In one implementation, the sensing circuit is configured to sense a resistance of the interposer MTJ pad and to produce the receive electrical signal according to the sensed resistance.Type: GrantFiled: January 30, 2012Date of Patent: July 29, 2014Assignee: Broadcom CorporationInventors: Xiangdong Chen, Sam Ziqun Zhao, Kevin Kunzhong Hu, Sampath K. V. Karikalan, Rezaur Rahman Khan, Pieter Vorenkamp
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Patent number: 8749072Abstract: There are disclosed herein various implementations of semiconductor packages having a selectively conductive film interposer. In one such implementation, a semiconductor package includes a first active die having a first plurality of electrical connectors on a top surface of the first active die, a selectively conductive film interposer situated over the first active die, and a second active die having a second plurality of electrical connectors on a bottom surface of the second active die. The selectively conductive film interposer may be configured to serve as an interposer and to selectively couple at least one of the first plurality of electrical connectors to at least one of the second plurality of electrical connectors.Type: GrantFiled: February 24, 2012Date of Patent: June 10, 2014Assignee: Broadcom CorporationInventors: Sam Ziqun Zhao, Kevin Kunzhong Hu, Sampath K. V. Karikalan, Rezaur Rahman Khan, Pieter Vorenkamp, Xiangdong Chen
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Publication number: 20140151900Abstract: An exemplary implementation of the present disclosure includes a stacked package having a top die from a top reconstituted wafer situated over a bottom die from a bottom reconstituted wafer. The top die and the bottom die are insulated from one another by an insulation arrangement. The top die and the bottom die are also interconnected through the insulation arrangement. The insulation arrangement can include a top molding compound that flanks the top die and a bottom molding compound that flanks the bottom die. The top die and the bottom die can be interconnected through at least the top molding compound. Furthermore, the top die and the bottom die can be interconnected through a conductive via that extends within the insulation arrangement.Type: ApplicationFiled: February 7, 2014Publication date: June 5, 2014Applicant: BROADCOM CORPORATIONInventors: Kevin Kunzhong HU, Sam Ziqun Zhao, Rezaur Rahman Khan, Pieter Vorenkamp, Sampath K.V. Karikalan, Xiangdong Chen
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Publication number: 20140084462Abstract: There are disclosed herein various implementations of improved wafer level semiconductor packages. One exemplary implementation comprises forming a post-fabrication redistribution layer (post-Fab RDL) between first and second dielectric layers affixed over a surface of a wafer, and forming a window for receiving an electrical contact body in the second dielectric layer, the window exposing the post-Fab RDL. At least one of the first and second dielectric layers is a pre-formed dielectric layer, which may be affixed over the surface of the wafer using a lamination process. In one implementation, the window is formed using a direct laser ablation process.Type: ApplicationFiled: November 21, 2013Publication date: March 27, 2014Applicant: Broadcom CorporationInventors: Kevin (Kunzhong) Hu, Chonghua Zhong, Edward Law
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Publication number: 20140087553Abstract: There are disclosed herein various implementations of improved wafer level semiconductor packages. One exemplary implementation comprises forming a post-fabrication redistribution layer (post-Fab RDL) between first and second dielectric layers affixed over a surface of a wafer, and forming a window for receiving an electrical contact body in the second dielectric layer, the window exposing the post-Fab RDL. At least one of the first and second dielectric layers is a pre-formed dielectric layer, which may be affixed over the surface of the wafer using a lamination process. In one implementation, the window is formed using a direct laser ablation process.Type: ApplicationFiled: November 22, 2013Publication date: March 27, 2014Applicant: BROADCOM CORPORATIONInventors: Kevin (Kunzhong) Hu, Chonghua Zhong, Edward Law