Patents by Inventor Hsien-Hsin Sean LEE

Hsien-Hsin Sean LEE 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).

  • Patent number: 10713407
    Abstract: A standard cell for a semiconductor device includes a plurality of features for performing the functionality of the standard cell. The standard cell further includes a first sensitivity region adjacent to a first edge of the standard cell. The standard cell further includes anchor nodes linked to corresponding features of the plurality of features, wherein a number of anchor nodes linked to each feature of the corresponding features is based on a position of an end of each feature of the corresponding features relative to the first sensitivity region.
    Type: Grant
    Filed: December 24, 2018
    Date of Patent: July 14, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Nien-Yu Tsai, Chin-Chang Hsu, Hsien-Hsin Sean Lee, Wen-Ju Yang
  • Publication number: 20200167519
    Abstract: A method of generating a plurality of photomasks includes generating a circuit graph. The circuit graph comprises a plurality of vertices and a plurality of edges. Each of the plurality of vertices is representative of one of a plurality of conductive lines. The plurality of edges are representative of a spacing between the conductive lines less than an acceptable minimum distance. Kn+1 graph comprising a first set of vertices selected from the plurality of vertices connected in series by a first set of edges selected from the plurality of edges and having at least one non-series edge connection between a first vertex and a second vertex selected from the first set of vertices is reduced by merging a third vertex into a fourth vertex selected from the first set of the plurality of vertices. An n-pattern conflict check is performed and the photomasks generated based on the result.
    Type: Application
    Filed: September 30, 2019
    Publication date: May 28, 2020
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Nien-Yu TSAI, Chin-Chang HSU, Wen-Ju Preet YANG, Hsien-Hsin Sean Lee
  • Publication number: 20200117848
    Abstract: A method including decomposing a conflict graph based on a number of masked to be used to manufacture a semiconductor device. The method further includes determining whether the decomposed conflict graph is a simplified graph based on a comparison between the decomposed conflict graph and a stored conflict graph. The method further includes determining whether the decomposed conflict graph is colorable based on a number of masks used to pattern the layer of the semiconductor device. The method further includes indicating that the conflict graph is colorable in response to a determination that the decomposed conflict graph is colorable.
    Type: Application
    Filed: December 11, 2019
    Publication date: April 16, 2020
    Inventors: Chung-Yun CHENG, Chin-Chang HSU, Hsien-Hsin Sean LEE, Jian-Yi LI, Li-Sheng KE, Wen-Ju YANG
  • Publication number: 20200097629
    Abstract: A method of manufacturing an integrated circuit includes generating a layout design of the integrated circuit, manufacturing the integrated circuit based on the layout design, and removing a portion of a gate structure of a set of gate structures thereby forming a first and a second gate structure. Generating the layout design includes placing a set of gate layout patterns and a cut feature layout pattern on the first layout level. The cut feature layout pattern extends in a first direction, overlaps the set of gate layout patterns and identifies a location of the portion of the gate structure of the set of gate structures. The set of gate layout patterns correspond to fabricating a set of gate structures. The set of gate layout patterns extending in a second direction and overlapping a set of gridlines that extend in the second direction.
    Type: Application
    Filed: November 25, 2019
    Publication date: March 26, 2020
    Inventors: Yu-Jung CHANG, Chin-Chang HSU, Hsien-Hsin Sean LEE, Wen-Ju YANG
  • Publication number: 20200097630
    Abstract: An integrated circuit includes a first and second set of gate structures. A center of each of the first set of gate structures is separated from a center of an adjacent gate of the first set of gate structures in a first direction by a first pitch. A center of each of the second set of gate structures is separated from a center of an adjacent gate of the second set of gate structures in the first direction by the first pitch. The first and second set of gate structures extend in a second direction. A gate of the first set of gate structures is aligned in the second direction with a corresponding gate of the second set of gate structures. The gate of the first set of gate structures is separated from the corresponding gate of second set of gate structures in the second direction by a first distance.
    Type: Application
    Filed: November 25, 2019
    Publication date: March 26, 2020
    Inventors: Yu-Jung CHANG, Chin-Chang HSU, Hsien-Hsin Sean LEE, Wen-Ju YANG
  • Publication number: 20200026648
    Abstract: A memory circuit includes a first memory circuit formed of a first die or a set of stacked dies. The memory circuit further includes a second memory circuit formed of a second die, the second memory circuit comprising one or more sets of memory cells of a second type and each set of the memory cells of the second type comprising multiple cache sections. The first die or the set of stacked dies are stacked over the second die, wherein the second die further includes a first plurality of I/O terminals and a second plurality of I/O terminals, the first plurality of I/O terminals being electrically coupled to the first memory circuit, and the second plurality of I/O terminals being electrically isolated from the first memory circuit.
    Type: Application
    Filed: September 30, 2019
    Publication date: January 23, 2020
    Inventors: Hsien-Hsin Sean Lee, William Wu Shen, Yun-Han Lee
  • Patent number: 10515185
    Abstract: A method of determining colorability of a layer of a semiconductor device includes iteratively decomposing a conflict graph to remove all nodes having fewer links than a threshold number of links. The method further includes determining whether the decomposed conflict graph is a simplified graph based on a comparison between the decomposed conflict graph and a stored conflict graph. The method further includes determining whether the decomposed conflict graph is colorable based on a number of masks used to pattern the layer of the semiconductor device. The method further includes flagging violations in response to a determination that the decomposed conflict graph is not colorable.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: December 24, 2019
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chung-Yun Cheng, Chin-Chang Hsu, Hsien-Hsin Sean Lee, Jian-Yi Li, Li-Sheng Ke, Wen-Ju Yang
  • Patent number: 10509883
    Abstract: A layout-generation method for an IC is provided. The layout-generation method includes accessing data of a schematic design of the IC; generating a hypergraph from the schematic design; transforming a plurality of constraints into a plurality of weighted edges in the hypergraph; continuing partitioning the hypergraph by the weighted edges until a plurality of multilevel groups are obtained to generate a layout; and verifying the layout to fabricate the IC.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: December 17, 2019
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Tsun-Yu Yang, Wei-Yi Hu, Jui-Feng Kuan, Hsien-Hsin Sean Lee, Po-Cheng Pan, Hung-Wen Huang, Hung-Ming Chen, Abhishek Patyal
  • Patent number: 10489548
    Abstract: An integrated circuit includes a first and second set of gate structures. A center of each of the first set of gate structures is separated from a center of an adjacent gate of the first set of gate structures in a first direction by a first pitch. A center of each of the second set of gate structures is separated from a center of an adjacent gate of the second set of gate structures in the first direction by the first pitch. The first and second set of gate structures extend in a second direction. A gate of the first set of gate structures is aligned in the second direction with a corresponding gate of the second set of gate structures. The gate of the first set of gate structures is separated from the corresponding gate of second set of gate structures in the second direction by a first distance.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: November 26, 2019
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Yu-Jung Chang, Chin-Chang Hsu, Hsien-Hsin Sean Lee, Wen-Ju Yang
  • Patent number: 10430544
    Abstract: A method of generating a plurality of photomasks includes generating a circuit graph. The circuit graph comprises a plurality of vertices and a plurality of edges. Each of the plurality of vertices is representative of one of a plurality of conductive lines. The plurality of edges are representative of a spacing between the conductive lines less than an acceptable minimum distance. Kn+1 graph comprising a first set of vertices selected from the plurality of vertices connected in series by a first set of edges selected from the plurality of edges and having at least one non-series edge connection between a first vertex and a second vertex selected from the first set of vertices is reduced by merging a third vertex into a fourth vertex selected from the first set of the plurality of vertices. An n-pattern conflict check is performed and the photomasks generated based on the result.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: October 1, 2019
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Nien-Yu Tsai, Chin-Chang Hsu, Wen-Ju Preet Yang, Hsien-Hsin Sean Lee
  • Patent number: 10430334
    Abstract: A method of operating a memory circuit is disclosed. The memory circuit comprises a primary memory and a cache memory. The primary memory has P access channels of Q bits of channel bandwidth, and the cache memory has P subsets of Q*N memory cells, wherein P and Q are integers greater than 1, and N is a positive integer. The method includes determining, in response to a command for reading first and second data accessible through first and second access channels respectively, if a valid duplication of the first and second data is stored in the cache memory. If yes, the method further includes storing a duplication of Q*n bits of consecutively addressed data from each of the first and second access channels to the cache memory, n being an integer from 1 to N. Otherwise, the method further includes outputting the first and second data from the cache memory.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: October 1, 2019
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Hsien-Hsin Sean Lee, William Wu Shen, Yun-Han Lee
  • Publication number: 20190171789
    Abstract: A method of determining colorability of a layer of a semiconductor device includes iteratively decomposing a conflict graph to remove all nodes having fewer links than a threshold number of links. The method further includes determining whether the decomposed conflict graph is a simplified graph based on a comparison between the decomposed conflict graph and a stored conflict graph. The method further includes determining whether the decomposed conflict graph is colorable based on a number of masks used to pattern the layer of the semiconductor device. The method further includes flagging violations in response to a determination that the decomposed conflict graph is not colorable.
    Type: Application
    Filed: February 11, 2019
    Publication date: June 6, 2019
    Inventors: Chung-Yun CHENG, Chin-Chang HSU, Hsien-Hsin Sean LEE, Jian-Yi LI, Li-Sheng KE, Wen-Ju YANG
  • Publication number: 20190130061
    Abstract: A standard cell for a semiconductor device includes a plurality of features for performing the functionality of the standard cell. The standard cell further includes a first sensitivity region adjacent to a first edge of the standard cell. The standard cell further includes anchor nodes linked to corresponding features of the plurality of features, wherein a number of anchor nodes linked to each feature of the corresponding features is based on a position of an end of each feature of the corresponding features relative to the first sensitivity region.
    Type: Application
    Filed: December 24, 2018
    Publication date: May 2, 2019
    Inventors: Nien-Yu TSAI, Chin-Chang HSU, Hsien-Hsin Sean LEE, Wen-Ju YANG
  • Patent number: 10204205
    Abstract: A method of determining colorability of a layer of a semiconductor device includes iteratively decomposing a conflict graph to remove all nodes having fewer links than a threshold number of links. The method further includes determining whether the decomposed conflict graph is a simplified graph. The method further includes partitioning, using a specific purpose processing device, the decomposed conflict graph if the decomposed conflict graph is not a simplified graph. The method further includes determining whether the decomposed conflict graph is colorable based on a number of masks used to pattern the layer of the semiconductor device if the decomposed conflict graph is a simplified graph. The method further includes flagging violations if the decomposed conflict graph is not colorable.
    Type: Grant
    Filed: January 7, 2016
    Date of Patent: February 12, 2019
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chung-Yun Cheng, Chin-Chang Hsu, Hsien-Hsin Sean Lee, Jian-Yi Li, Li-Sheng Ke, Wen-Ju Yang
  • Patent number: 10162928
    Abstract: A method for designing a semiconductor device includes establishing boundary conditions for a layout of each cell of a plurality of cells, wherein each cell has a plurality of features, and boundary conditions are established based on a proximity of each feature to a cell boundary of a corresponding cell. The method includes determining whether the layout of each cell is colorable based on a number of masks used to manufacture a layer of the semiconductor device, a minimum spacing requirement for the plurality of features, and the established boundary conditions. The method includes forming a layout of the layer of the semiconductor device by abutting a first cell of the plurality of cells with a second cell of the plurality of cells. The method includes reporting the layout of the layer of the semiconductor device as colorable without analyzing the layout of the layer of the semiconductor device.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: December 25, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Nien-Yu Tsai, Chin-Chang Hsu, Hsien-Hsin Sean Lee, Wen-Ju Yang
  • Publication number: 20180341735
    Abstract: An integrated circuit includes a first and second set of gate structures. A center of each of the first set of gate structures is separated from a center of an adjacent gate of the first set of gate structures in a first direction by a first pitch. A center of each of the second set of gate structures is separated from a center of an adjacent gate of the second set of gate structures in the first direction by the first pitch. The first and second set of gate structures extend in a second direction. A gate of the first set of gate structures is aligned in the second direction with a corresponding gate of the second set of gate structures. The gate of the first set of gate structures is separated from the corresponding gate of second set of gate structures in the second direction by a first distance.
    Type: Application
    Filed: January 3, 2018
    Publication date: November 29, 2018
    Inventors: Yu-Jung CHANG, Chin-Chang HSU, Hsien-Hsin Sean LEE, Wen-Ju YANG
  • Patent number: 10140407
    Abstract: A method performed at least partially by a processor includes performing an air gap insertion process. The air gap insertion process includes sorting a plurality of nets of a layout of an integrated circuit in an order, and inserting, in accordance with the sorted order of the plurality of nets, air gap patterns adjacent to the plurality of nets. The method further includes generating a modified layout of the integrated circuit. The modified layout includes the plurality of nets and the inserted air gap patterns.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: November 27, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chia-Ming Ho, Adari Rama Bhadra Rao, Meng-Kai Hsu, Kuang-Hung Chang, Ke-Ying Su, Wen-Hao Chen, Hsien-Hsin Sean Lee
  • Patent number: 10019548
    Abstract: A method, of generating a modified layout based on an original layout, includes: determining a first set of width bias values of an i-th set of layout patterns which compensate for subtractive process effects, the original layout having N sets of layout patterns corresponding to N masks; determining a second set of width bias values of the i-th set of layout patterns of the original layout which compensate for additive process effects; generating the modified layout based on the first and second sets of width bias values of the i-th set of layout patterns, the order index i of the i-th mask corresponding to an order of the i-th mask being applied during a fabrication process; and fabricating, based on the modified layout, at least one of a semiconductor mask or at least one component in a layer of an inchoate semiconductor integrated circuit.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: July 10, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chia-Ming Ho, Ke-Ying Su, Hsien-Hsin Sean Lee
  • Publication number: 20180150585
    Abstract: A layout-generation method for an IC is provided. The layout-generation method includes accessing data of a schematic design of the IC; generating a hypergraph from the schematic design; transforming a plurality of constraints into a plurality of weighted edges in the hypergraph; continuing partitioning the hypergraph by the weighted edges until a plurality of multilevel groups are obtained to generate a layout; and verifying the layout to fabricate the IC.
    Type: Application
    Filed: January 24, 2017
    Publication date: May 31, 2018
    Inventors: Tsun-Yu YANG, Wei-Yi HU, Jui-Feng KUAN, Hsien-Hsin Sean LEE, Po-Cheng PAN, Hung-Wen HUANG, Hung-Ming CHEN, Abhishek PATYAL
  • Publication number: 20180068049
    Abstract: A method of generating a plurality of photomasks includes generating a circuit graph. The circuit graph comprises a plurality of vertices and a plurality of edges. Each of the plurality of vertices is representative of one of a plurality of conductive lines. The plurality of edges are representative of a spacing between the conductive lines less than an acceptable minimum distance. Kn+1 graph comprising a first set of vertices selected from the plurality of vertices connected in series by a first set of edges selected from the plurality of edges and having at least one non-series edge connection between a first vertex and a second vertex selected from the first set of vertices is reduced by merging a third vertex into a fourth vertex selected from the first set of the plurality of vertices. An n-pattern conflict check is performed and the photomasks generated based on the result.
    Type: Application
    Filed: September 2, 2016
    Publication date: March 8, 2018
    Inventors: Nien-Yu TSAI, Chin-Chang HSU, Wen-Ju Preet YANG, Hsien-Hsin Sean LEE