Patents by Inventor Kuo-Ji Chen

Kuo-Ji Chen 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: 20190164952
    Abstract: A device includes an integrated circuit including a single standard cell that is selected from a standard cell library used for design of the layout of the integrated circuit. The single standard cell includes a first active region, a second active region, a first gate, a second gate, and a third gate. The first gate is arranged over the first active region, for formation of at least one first electrostatic discharge (ESD) protection component. The second gate is separate from the first gate, and the second gate is arranged over the second active region, for formation of at least one second ESD protection component. The third gate is separate from the first gate and the second gate, and the third gate is arranged over the first active region and the second active region, for formation of at least one transistor.
    Type: Application
    Filed: August 20, 2018
    Publication date: May 30, 2019
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Tzu-Heng CHANG, Kuo-Ji CHEN, Ming-Hsiang SONG
  • Patent number: 10284190
    Abstract: A voltage detector includes a first node configured to have a first supply voltage, a second node configured to have a second supply voltage, and an output node. The voltage detector is configured to drive the output node to the first supply voltage in response to a difference between the first supply voltage and the second supply voltage exceeding a predetermined threshold voltage value.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: May 7, 2019
    Assignee: TAIWAN SEMICONDUTOR MANUFACTURING COMPANY, LTD.
    Inventors: Ming-Fu Tsai, Jen-Chou Tseng, Kuo-Ji Chen, Tzu-Heng Chang
  • Publication number: 20190097420
    Abstract: An electrostatic discharge (ESD) circuit includes: a cascade of NMOS transistors including a first NMOS transistor operatively cascaded to a second NMOS transistor wherein the cascade of NMOS transistors is operatively coupled to a first bus that receives an ESD pulse signal; a first single-gate-oxide ESD control circuit coupled to the first NMOS transistor and configured to turn on the first NMOS transistor during an ESD event, the first single-gate-oxide control circuit coupled between the first bus at a first voltage and a first node at a second voltage, wherein the first voltage is higher than the second voltage; a second single-gate-oxide control circuit operatively coupled to the second NMOS transistor and configured to turn on the second NMOS transistor during an ESD event and to turn off the second NMOS transistor during a normal operation, wherein the second single-gate-oxide control circuit is coupled between the first node at the second voltage and a second bus at a ground voltage, wherein the seco
    Type: Application
    Filed: September 26, 2018
    Publication date: March 28, 2019
    Inventors: Po-Hung CHEN, Kuo-Ji CHEN, Shao-Yu CHOU
  • Publication number: 20190096990
    Abstract: A circuit device includes core circuitry. The circuit device further includes a guard ring surrounding the core circuitry. The guard ring includes a first plurality of fin structures arranged in a first direction parallel to a first side of the core circuitry, wherein adjacent fin structures of the first plurality of fin structures are separated by a first distance. The guard ring further includes a second plurality of fin structures arranged in a second direction parallel to a second side of the core circuitry, wherein adjacent fin structures of the second plurality of fin structures are separated by a second distance, and the second distance is smaller than the first distance.
    Type: Application
    Filed: November 9, 2018
    Publication date: March 28, 2019
    Inventors: Wan-Yen LIN, Wun-Jie LIN, Yu-Ti SU, Bo-Ting CHEN, Jen-Chou TSENG, Kuo-Ji CHEN, Sun-Jay CHANG, Min-Chang LIANG
  • Publication number: 20180337145
    Abstract: A semiconductor device includes metal layers, first dummy conductive cells, and groups of second dummy conductive cells. The metal layers include empty areas and are grouped into pairs of neighboring metal layers. The first dummy conductive cells are each formed in each of the empty areas in each of the pairs of neighboring metal layers that is overlapped by another empty area or a line in the same pair of neighboring metal layers. Each group of the second dummy conductive cells is formed in each of the empty areas in each of the pairs of neighboring metal layers that is overlapped by a signal line in the same pair of neighboring metal layer.
    Type: Application
    Filed: July 26, 2018
    Publication date: November 22, 2018
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Wei-Yu Ma, Hui-Mei Chou, Kuo-Ji Chen
  • Publication number: 20180337169
    Abstract: A method (of forming an integrated circuit) includes: forming a first diode on a first substrate of two or more stacked substrates, the first substrate having a first predetermined doping type; forming a second diode on a second substrate of the two or more stacked substrates, the second substrate being formed on the first substrate, and the second substrate having the first predetermined doping type; and forming conductive paths electrically connecting the first diode 3A and the second diode between a circuit and a first common ground rail, the first diode and the second diode being connected in parallel and having opposite polarities.
    Type: Application
    Filed: July 31, 2018
    Publication date: November 22, 2018
    Inventors: Wei Yu MA, Chia-Hui CHEN, Kuo-Ji CHEN
  • Patent number: 10128329
    Abstract: A method of making a circuit device includes forming core circuitry. The core circuitry includes a doped region in the core circuit. The method further includes implanting a first set of guard rings around a periphery of the core circuitry. The first set of guard rings has a first dopant type. Implanting the first set of guard rings includes implanting the first set of guard rings spaced from the doped region. The method further includes implanting a second set of guard rings having a second dopant type, wherein the second dopant type being opposite to the first dopant type. At least one guard ring of the second set of guard rings is around a periphery of at least one guard ring of the first set of guard rings.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: November 13, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Wan-Yen Lin, Wun-Jie Lin, Yu-Ti Su, Bo-Ting Chen, Jen-Chou Tseng, Kuo-Ji Chen, Sun-Jay Chang, Min-Chang Liang
  • Patent number: 10043767
    Abstract: A method is disclosed that includes the operations outlined below. A plurality of dummy conductive cells that provide different densities are formed in a plurality of empty areas in a plurality of metal layers of a semiconductor device according to overlap conditions of the empty areas between each pair of neighboring metal layers.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: August 7, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD
    Inventors: Wei-Yu Ma, Hui-Mei Chou, Kuo-Ji Chen
  • Publication number: 20170346479
    Abstract: A voltage detector includes a first node configured to have a first supply voltage, a second node configured to have a second supply voltage, and an output node. The voltage detector is configured to drive the output node to the first supply voltage in response to a difference between the first supply voltage and the second supply voltage exceeding a predetermined threshold voltage value.
    Type: Application
    Filed: March 6, 2017
    Publication date: November 30, 2017
    Inventors: Ming-Fu TSAI, Jen-Chou TSENG, Kuo-Ji CHEN, Tzu-Heng CHANG
  • Patent number: 9831235
    Abstract: A method includes removing a first portion of a gate layer of a first transistor and leaving a second portion of the gate layer. The first transistor includes a drain region, a source region, and a gate stack, and the gate stack includes a gate dielectric layer, a gate conductive layer over the gate dielectric layer, and the gate layer directly on the gate conductive layer. The method includes removing a gate layer of a second transistor and forming a conductive region at a region previously occupied by the first portion of the gate layer of the first transistor, the unit resistance of the conductive region being less than that of the gate layer of the first transistor.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: November 28, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Harry-Hak-Lay Chuang, Ming-Hsiang Song, Kuo-Ji Chen, Ming Zhu, Po-Nien Chen, Bao-Ru Young
  • Patent number: 9799644
    Abstract: A FinFET device includes a plurality of FinFET devices formed on a corresponding plurality of fins in a multilevel interconnect semiconductor device. Each source and each drain is coupled to a metal interconnect level by a metal resistive element that is subjacent the lowermost interconnect level. In one embodiment, a metal segment extending over a plurality of the fins includes contacts to each of the fins, thereby providing subjacent metal resistive elements of different lengths. The plurality of fins and subjacent metal segments are arranged such that each of the FinFET devices has the same total resistance provided by the source and drain metal resistive elements, even though the source metal resistive element and drain metal resistive element associated with the fins may have different lengths. The arrangement provides the same turn-on resistance and the same ESD failure current for each FinFET device.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: October 24, 2017
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Tzu-Yi Yang, Kuo-Ji Chen, Chien-Yuan Lee
  • Patent number: 9762052
    Abstract: A device includes a first power node, a second power node, a first input node, a second input node, a protected circuit, and a switch circuit. The protected circuit is coupled between the first power node and the second power node, and the protected circuit is further coupled with the second input node. The switch circuit is coupled with the first power node, the second power node, the first input node, and the second input node. The switch circuit is configured to electrically decouple the first input node and the second input node after (a) the first power node is floating or electrically coupled to the second power node and (b) a voltage level at the first input node is greater than a voltage level at the second power node by a predetermined voltage value.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: September 12, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chia-Hung Chu, Kuo-Ji Chen
  • Patent number: 9659923
    Abstract: An electrostatic discharge (ESD) protection circuit includes a field oxide device in a substrate, wherein the field oxide device is coupled between an input/output (I/O) pad and a first terminal. The field oxide device includes a drain end and a source end having a first type of dopant. The field oxide device includes a field oxide structure between the drain end and the source end. The field oxide structure has a top surface co-planar with a top surface of a substrate. A first doped region having a second type of dopant is adjacent to the drain end. A second doped region having the second type of dopant is adjacent to the source end. The field oxide structure is in a well and the source end and the drain end are separate from the well. The substrate has the second type of dopant and is around the field oxide structure.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: May 23, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Shu-Chuan Lee, Kuo-Ji Chen, Wade Ma
  • Patent number: 9647452
    Abstract: In some embodiments, a method includes providing an input voltage to a level-shifting circuit, where the input voltage is in a first power domain, shifting the input voltage to an output voltage using the level-shifting circuit, where the output voltage is in a second power domain different from the first power domain, and where the level-shifting circuit is coupled to power supply voltages in the second power domain. The method further includes in response to an electrostatic discharge (ESD) event, turning off a first transistor coupled between a first node of the level-shifting circuit and a reference low voltage level of the second power domain.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: May 9, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chia-Hui Chen, Chia-Hung Chu, Kuo-Ji Chen, Ming-Hsiang Song, Lee-Chung Lu
  • Patent number: 9608616
    Abstract: A circuit includes a first node having a first supply voltage, a second node having a second supply voltage, and a voltage detector coupled between the first node and the second node, the voltage detector including a first output node. A clamp circuit is coupled between the first node and the second node. The voltage detector is configured to drive the first output node to the first supply voltage in response to a difference between the first supply voltage and the second supply voltage exceeding a predetermined threshold voltage value. The clamp circuit is configured to establish a conduction path between the first node and the second node in response to the first or second output node being driven to the first supply voltage.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: March 28, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Ming-Fu Tsai, Jen-Chou Tseng, Kuo-Ji Chen, Tzu-Heng Chang
  • Publication number: 20170012038
    Abstract: In some embodiments, a method includes providing an input voltage to a level-shifting circuit, where the input voltage is in a first power domain, shifting the input voltage to an output voltage using the level-shifting circuit, where the output voltage is in a second power domain different from the first power domain, and where the level-shifting circuit is coupled to power supply voltages in the second power domain. The method further includes in response to an electrostatic discharge (ESD) event, turning off a first transistor coupled between a first node of the level-shifting circuit and a reference low voltage level of the second power domain.
    Type: Application
    Filed: September 22, 2016
    Publication date: January 12, 2017
    Inventors: Chia-Hui Chen, Chia-Hung Chu, Kuo-Ji Chen, Ming-Hsiang Song, Lee-Chung Lu
  • Publication number: 20160359000
    Abstract: A method of making a circuit device includes forming core circuitry. The core circuitry includes a doped region in the core circuit. The method further includes implanting a first set of guard rings around a periphery of the core circuitry. The first set of guard rings has a first dopant type. Implanting the first set of guard rings includes implanting the first set of guard rings spaced from the doped region. The method further includes implanting a second set of guard rings having a second dopant type, wherein the second dopant type being opposite to the first dopant type. At least one guard ring of the second set of guard rings is around a periphery of at least one guard ring of the first set of guard rings.
    Type: Application
    Filed: August 22, 2016
    Publication date: December 8, 2016
    Inventors: Wan-Yen LIN, Wun-Jie LIN, Yu-Ti SU, Bo-Ting CHEN, Jen-Chou TSENG, Kuo-Ji CHEN, Sun-Jay CHANG, Min-Chang LIANG
  • Patent number: 9502892
    Abstract: A device includes a first power transistor, a second power transistor electrically connected in series with the first power transistor, a first electrostatic discharge (ESD) detection circuit, and a first control circuit electrically connected to the first ESD detection circuit and the first power transistor.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: November 22, 2016
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chia-Hui Chen, Po-Hsiang Lan, Chien-Yuan Lee, Tsung-Ju Yang, Tzu-Yi Yang, Kuo-Ji Chen
  • Patent number: 9478533
    Abstract: An integrated circuit includes a layer of a semiconductor device including a standard cell configuration having a fixed gate electrode pitch between gate electrode lines and a resistor formed of metal between the fixed gate electrode pitch of the standard cell configuration. In one embodiment, the integrated circuit can be charged device model (CDM) electrostatic discharge (ESD) protection circuit for a cross domain standard cell having the resistor formed of metal. A method of manufacturing integrated circuits includes forming a plurality of gate electrode lines separated by a gate electrode pitch to form a core standard cell device, applying at least a first layer of metal within the gate electrode pitch to form a portion of a resistor, and applying at least a second layer of metal to couple to the first layer of metal to form another portion of the resistor.
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: October 25, 2016
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Wei Yu Ma, Bo-Ting Chen, Ting Yu Chen, Kuo-Ji Chen, Li-Chun Tien
  • Patent number: 9472545
    Abstract: One or more semiconductor arrangements having a stacked configuration and electrostatic discharge (ESD) protection are provided. The semiconductor arrangements include a first substrate, a second substrate, an ESD pad, an ESD device and a first interlayer via connecting the first substrate and the second substrate. The first substrate includes a first PMOS device and a first device and the second substrate includes a first NMOS device and a second device. Alternatively, the first substrate includes a first PMOS device and a first NMOS device and the second substrate includes a first device and a second device.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: October 18, 2016
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Chia-Hui Chen, Wei Yu Ma, Kuo-Ji Chen