Patents by Inventor Seung Hyuk Kang

Seung Hyuk Kang 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: 20240383679
    Abstract: A ceiling storage system includes a first support rail and a second support rail that extend in a first direction; a first driving rail that extends in the first direction and is parallel to the first support rail and the second support rail; a second driving rail movably coupled to the first support rail, the second support rail, and the first driving rail, where the second driving rail is configured to move along the first support rail, the second support rail, and the first driving rail; a transfer vehicle movably coupled to the second driving rail and configured to move along the second driving rail; and a connection device that connects the first driving rail and the second driving rail to each other, where the connection device and the second driving rail are rotatable around a first axis that is parallel to the first direction.
    Type: Application
    Filed: December 21, 2023
    Publication date: November 21, 2024
    Inventors: Young Wook Kim, Seung Gyu Kang, Hyun Jae Kang, Sang Min Kim, Jae Sung Byun, Yong-Jun Ahn, Hyun Woo Lee, Jeong Hun Lim, Jun Hyuk Chang
  • Publication number: 20240266342
    Abstract: A chip includes a first column including first rails extending in a first direction, the first rails having a first pitch. The chip also includes a second column including second rails extending in the first direction, the second rails having a second pitch different from the first pitch. The chip also includes a transition region between the first column and the second column.
    Type: Application
    Filed: February 6, 2023
    Publication date: August 8, 2024
    Inventors: Renukprasad HIREMATH, Hyeokjin LIM, Foua VANG, Manjanaika CHANDRANAIKA, Seung Hyuk KANG, Venugopal BOYNAPALLI
  • Publication number: 20240250669
    Abstract: A hybrid flop tray, including: a set of flip-flops cascaded along a scan path, wherein a first subset of one or more of the flip-flops of the set includes fin field effect transistors (FinFETs) each sized with a first number of fins, and a second subset of one or more of the flip-flops of the set includes FinFETs each sized with a second number of fins, wherein the first number of fins is different than the second number of fins; and a control circuit configured to provide control signals to the set of flip-flops.
    Type: Application
    Filed: January 19, 2023
    Publication date: July 25, 2024
    Inventors: Ramaprasath VILANGUDIPITCHAI, Rui CHEN, Seung Hyuk KANG, Venugopal BOYNAPALLI
  • Publication number: 20240249056
    Abstract: A chip includes a spare cell including a first active region, and a first gate extending over the first active region in a first direction. The chip also includes a tie cell including a second active region, a second gate extending over the second active region in the first direction, a first drain contact formed over the second active region, a first source contact formed over the second active region, wherein the second gate is between the first drain contact and the first source contact, and first source contact is coupled to a first rail, and a circuit configured to couple the second gate to a second rail. The chip also includes a metal routing extending in a second direction, wherein the second direction is perpendicular to the first direction, and the first metal routing is coupled to the first drain contact and the first gate.
    Type: Application
    Filed: January 19, 2023
    Publication date: July 25, 2024
    Inventors: Hyeokjin LIM, Ankur MEHROTRA, Renukprasad HIREMATH, Foua VANG, Manjanaika CHANDRANAIKA, Akhtar ALAM, Kamesh MEDISETTI, Seung Hyuk KANG, Venugopal BOYNAPALLI
  • Publication number: 20240170488
    Abstract: An integrated circuit (IC) cell including: a first logic gate comprising a first polysilicon structure and a first pin; a second logic gate comprising a second polysilicon structure and a second pin, wherein the second polysilicon structure is spaced apart and adjacent to the first polysilicon structure in a cell row direction; and a source region, common to the first and second logic gates, situated between the first and second polysilicon structures, wherein the first and second pins are on a first metal track directly over the common source region.
    Type: Application
    Filed: November 23, 2022
    Publication date: May 23, 2024
    Inventors: Renukprasad HIREMATH, Keyurkumar Karsanbhai KANSAGRA, Shashikumar GANESH BHAT, Hyeokjin LIM, Seung Hyuk KANG, Venugopal BOYNAPALLI, Kamesh MEDISETTI
  • Patent number: 11823052
    Abstract: Certain aspects of the present disclosure are directed to methods and apparatus for configuring a multiply-accumulate (MAC) block in an artificial neural network. A method generally includes receiving, at a neural processing unit comprising one or more logic elements, at least one input associated with a use-case of the neural processing unit; obtaining a set of weights associated with the at least one input; selecting a precision for the set of weights; modifying the set of weights based on the selected precision; and generating an output based, at least in part, on the at least one input, the modified set of weights, and an activation function.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: November 21, 2023
    Assignee: QUALCOMM INCORPORATED
    Inventors: Giby Samson, Srivatsan Chellappa, Ramaprasath Vilangudipitchai, Seung Hyuk Kang
  • Patent number: 11710733
    Abstract: A MOS IC logic cell includes a plurality of gate interconnects extending on tracks in a first direction. The logic cell includes intra-cell routing interconnects coupled to at least a subset of the gate interconnects. The intra-cell routing interconnects include intra-cell Mx layer interconnects on an Mx layer extending in the first direction. The Mx layer is a lowest metal layer for PG extending in the first direction. The intra-cell Mx layer interconnects extend in the first direction over at least a subset of the tracks excluding every mth track, where 2?m<PPG and PPG is a PG grid pitch. A MOS IC may include at least one MOS IC logic cell, and may further include a first set of PG Mx layer interconnects extending in the first direction over the at least one logic cell. The first set of PG Mx layer interconnects have the pitch PPG>m*P.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: July 25, 2023
    Assignee: QUALCOMM INCORPORATED
    Inventors: Hyeokjin Lim, Bharani Chava, Foua Vang, Seung Hyuk Kang, Venugopal Boynapalli
  • Patent number: 11476186
    Abstract: A cell on an IC includes a first set of Mx layer interconnects coupled to a first voltage, a second set of Mx layer interconnects coupled to a second voltage different than the first voltage, and a MIM capacitor structure below the Mx layer. The MIM capacitor structure includes a CTM, a CBM, and an insulator between portions of the CTM and the CBM. The first set of Mx layer interconnects is coupled to the CTM. The second set of Mx layer interconnects is coupled to the CBM. The MIM capacitor structure is between the Mx layer and an Mx-1 layer. The MIM capacitor structure includes a plurality of openings. The MIM capacitor structure is continuous within the cell and extends to at least two edges of the cell. In one configuration, the MIM capacitor structure extends to each edge of the cell.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: October 18, 2022
    Assignee: QUALCOMM INCORPORATED
    Inventors: Ramaprasath Vilangudipitchai, Gudoor Reddy, Samrat Sinharoy, Smeeta Heggond, Anil Kumar Koduru, Kamesh Medisetti, Seung Hyuk Kang
  • Patent number: 11437379
    Abstract: Field-effect transistor (FET) circuits employing topside and backside contacts for topside and backside routing of FET power and logic signals. A FET circuit is provided that includes a FET that includes a conduction channel, a source, a drain, and a gate. The FET circuit also includes a topside metal contact electrically coupled with at least one of the source, drain, and gate of the FET. The FET circuit also includes a backside metal contact electrically coupled with at least one of the source, drain, and gate of the FET. The FET circuit also includes topside and backside metal lines electrically coupled to the respective topside and backside metal contacts to provide power and signal routing to the FET. A complementary metal oxide semiconductor (CMOS) circuit is also provided that includes a PFET and NFET that each includes a topside and backside contact for power and signal routing.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: September 6, 2022
    Assignee: QUALCOMM Incorporated
    Inventors: Stanley Seungchul Song, Deepak Sharma, Bharani Chava, Hyeokjin Lim, Peijie Feng, Seung Hyuk Kang, Jonghae Kim, Periannan Chidambaram, Kern Rim, Giridhar Nallapati, Venugopal Boynapalli, Foua Vang
  • Patent number: 11404374
    Abstract: Circuits employing a back side-front side connection structure for coupling back side routing to front side routing, and related complementary metal oxide semiconductor (CMOS) circuits and methods are disclosed. The circuit includes a front side metal line disposed adjacent to a front side of a semiconductor device for providing front side signal routing. The circuit also includes a back side metal line disposed adjacent to a back side of the semiconductor device for providing back side signal routing. In this manner, the back side area of the semiconductor device may be employed for signal routing to conserve area and/or reduce routing complexity. The circuit also includes a back side-front side connection structure that electrically couples the front side metal line to the back side metal line to support signal routing from the back side to the front side of the circuit, or vice versa to provide greater routing flexibility.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: August 2, 2022
    Assignee: QUALCOMM Incorporated
    Inventors: Hyeokjin Lim, Stanley Seungchul Song, Foua Vang, Seung Hyuk Kang
  • Publication number: 20220115405
    Abstract: A MOS IC includes first and second sets of adjacent transistor logic, each of which include collinear gate interconnects extending in a first direction with the same gate pitch. The first set of transistor logic has a first cell height h1 and a first number of Mx layer tracks that extend unidirectionally in a second direction orthogonal to the first direction. The second set of transistor logic has a second cell height h2 and a second number of Mx layer tracks that extend unidirectionally in the second direction, where h2>h1 and the second number of Mx layer tracks is greater than the first number of Mx layer tracks. At least one of a height ratio hR=h2/h1 is a non-integer value or a subset of the first set of transistor logic and a subset of the second set of transistor logic are within one logic cell.
    Type: Application
    Filed: October 8, 2020
    Publication date: April 14, 2022
    Inventors: Hyeokjin LIM, Venugopal BOYNAPALLI, Foua VANG, Seung Hyuk KANG
  • Publication number: 20220102266
    Abstract: Circuits employing a back side-front side connection structure for coupling back side routing to front side routing, and related complementary metal oxide semiconductor (CMOS) circuits and methods are disclosed. The circuit includes a front side metal line disposed adjacent to a front side of a semiconductor device for providing front side signal routing. The circuit also includes a back side metal line disposed adjacent to a back side of the semiconductor device for providing back side signal routing. In this manner, the back side area of the semiconductor device may be employed for signal routing to conserve area and/or reduce routing complexity. The circuit also includes a back side-front side connection structure that electrically couples the front side metal line to the back side metal line to support signal routing from the back side to the front side of the circuit, or vice versa to provide greater routing flexibility.
    Type: Application
    Filed: September 30, 2020
    Publication date: March 31, 2022
    Inventors: Hyeokjin Lim, Stanley Seungchul Song, Foua Vang, Seung Hyuk Kang
  • Patent number: 11290109
    Abstract: A MOS IC includes a MOS logic cell that includes first and second sets of transistor logic in first and second subcells, respectively. The first and second sets of transistor logic are functionally isolated from each other. The MOS logic cell includes a first set of Mx layer interconnects on an Mx layer extending in a first direction over the first and second subcells. A first subset of the first set of Mx layer interconnects is coupled to inputs/outputs of the first set of transistor logic in the first subcell and is unconnected to the second set of transistor logic. Each of the first subset of the first set of Mx layer interconnects extends from the corresponding input/output of the first set of transistor logic of the first subcell to the second subcell, and is the corresponding input/output of the first set of transistor logic.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: March 29, 2022
    Assignee: QUALCOMM INCORPORATED
    Inventors: Foua Vang, Hyeokjin Lim, Seung Hyuk Kang, Venugopal Boynapalli, Shitiz Arora
  • Publication number: 20220093594
    Abstract: Field-effect transistor (FET) circuits employing topside and backside contacts for topside and backside routing of FET power and logic signals. A FET circuit is provided that includes a FET that includes a conduction channel, a source, a drain, and a gate. The FET circuit also includes a topside metal contact electrically coupled with at least one of the source, drain, and gate of the FET. The FET circuit also includes a backside metal contact electrically coupled with at least one of the source, drain, and gate of the FET. The FET circuit also includes topside and backside metal lines electrically coupled to the respective topside and backside metal contacts to provide power and signal routing to the FET. A complementary metal oxide semiconductor (CMOS) circuit is also provided that includes a PFET and NFET that each includes a topside and backside contact for power and signal routing.
    Type: Application
    Filed: September 18, 2020
    Publication date: March 24, 2022
    Inventors: Stanley Seungchul SONG, Deepak SHARMA, Bharani CHAVA, Hyeokjin LIM, Peijie FENG, Seung Hyuk KANG, Jonghae KIM, Periannan CHIDAMBARAM, Kern RIM, Giridhar NALLAPATI, Venugopal BOYNAPALLI, Foua VANG
  • Publication number: 20220094363
    Abstract: A MOS IC includes a MOS logic cell that includes first and second sets of transistor logic in first and second subcells, respectively. The first and second sets of transistor logic are functionally isolated from each other. The MOS logic cell includes a first set of Mx layer interconnects on an Mx layer extending in a first direction over the first and second subcells. A first subset of the first set of Mx layer interconnects is coupled to inputs/outputs of the first set of transistor logic in the first subcell and is unconnected to the second set of transistor logic. Each of the first subset of the first set of Mx layer interconnects extends from the corresponding input/output of the first set of transistor logic of the first subcell to the second subcell, and is the corresponding input/output of the first set of transistor logic.
    Type: Application
    Filed: September 23, 2020
    Publication date: March 24, 2022
    Inventors: Foua VANG, Hyeokjin LIM, Seung Hyuk KANG, Venugopal BOYNAPALLI, Shitiz ARORA
  • Patent number: 11237580
    Abstract: A system includes: a first power supply; a second power supply; a headswitch disposed between the first power supply and logic circuitry; an enable driver coupling the second power supply to a control terminal of the headswitch; and a voltage generator operable to adjust a control voltage from the second power supply to the control terminal of the headswitch in response to a first voltage level of the first power supply exceeding a reference voltage level.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: February 1, 2022
    Assignee: QUALCOMM INCORPORATED
    Inventors: Giby Samson, Foua Vang, Ramaprasath Vilangudipitchai, Seung Hyuk Kang, Venugopal Boynapalli
  • Publication number: 20210391249
    Abstract: A cell on an IC includes a first set of Mx layer interconnects coupled to a first voltage, a second set of Mx layer interconnects coupled to a second voltage different than the first voltage, and a MIM capacitor structure below the Mx layer. The MIM capacitor structure includes a CTM, a CBM, and an insulator between portions of the CTM and the CBM. The first set of Mx layer interconnects is coupled to the CTM. The second set of Mx layer interconnects is coupled to the CBM. The MIM capacitor structure is between the Mx layer and an Mx-1 layer. The MIM capacitor structure includes a plurality of openings. The MIM capacitor structure is continuous within the cell and extends to at least two edges of the cell. In one configuration, the MIM capacitor structure extends to each edge of the cell.
    Type: Application
    Filed: October 27, 2020
    Publication date: December 16, 2021
    Inventors: Ramaprasath VILANGUDIPITCHAI, Gudoor REDDY, Samrat SINHAROY, Smeeta HEGGOND, Anil Kumar KODURU, Kamesh MEDISETTI, Seung Hyuk KANG
  • Publication number: 20210280571
    Abstract: A MOS IC logic cell includes a plurality of gate interconnects extending on tracks in a first direction. The logic cell includes intra-cell routing interconnects coupled to at least a subset of the gate interconnects. The intra-cell routing interconnects include intra-cell Mx layer interconnects on an Mx layer extending in the first direction. The Mx layer is a lowest metal layer for PG extending in the first direction. The intra-cell Mx layer interconnects extend in the first direction over at least a subset of the tracks excluding every mth track, where 2?m<PPG and PPG is a PG grid pitch. A MOS IC may include at least one MOS IC logic cell, and may further include a first set of PG Mx layer interconnects extending in the first direction over the at least one logic cell.
    Type: Application
    Filed: March 3, 2020
    Publication date: September 9, 2021
    Inventors: Hyeokjin LIM, Bharani CHAVA, Foua VANG, Seung Hyuk KANG, Venugopal BOYNAPALLI
  • Publication number: 20210110267
    Abstract: Certain aspects of the present disclosure are directed to methods and apparatus for configuring a multiply-accumulate (MAC) block in an artificial neural network. A method generally includes receiving, at a neural processing unit comprising one or more logic elements, at least one input associated with a use-case of the neural processing unit; obtaining a set of weights associated with the at least one input; selecting a precision for the set of weights; modifying the set of weights based on the selected precision; and generating an output based, at least in part, on the at least one input, the modified set of weights, and an activation function.
    Type: Application
    Filed: October 11, 2019
    Publication date: April 15, 2021
    Inventors: Giby SAMSON, Srivatsan CHELLAPPA, Ramaprasath VILANGUDIPITCHAI, Seung Hyuk KANG
  • Publication number: 20210058076
    Abstract: A hybrid fin flip flop circuit may comprise a mixture of 1-fin transistors and multi-fin transistors. In one example, a flip flop circuit may comprise 1-fin transistors in at least one of the critical paths of the flip flop circuit such as the drive circuit, the input circuit, or the output circuit. In one example, a flip flop circuit may include: an input circuit; a clock driver circuit; an output circuit; and a latch circuit; wherein one of the input circuit, the clock driver circuit, or the output circuit comprises a multi-fin transistor and the latch circuit comprises a plurality of 1-fin transistors.
    Type: Application
    Filed: August 22, 2019
    Publication date: February 25, 2021
    Inventors: Andi ZHAO, Ramaprasath VILANGUDIPITCHAI, Hyeokjin LIM, Seung Hyuk KANG