Patents by Inventor Yi-Shao LIU

Yi-Shao LIU 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: 20170363704
    Abstract: A device includes a first biosensor of a biosensor array; a second biosensor of a biosensor array; a readout circuit electrically connected to the biosensor array; a decoder electrically connected to the biosensor array; a voltage generator electrically connected to the biosensor array; and a decision system electrically connected to the voltage generator and the readout circuit.
    Type: Application
    Filed: August 30, 2017
    Publication date: December 21, 2017
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chin-Hua WEN, Jui-Cheng Huang, Yi-Shao Liu, Chun-Wen Cheng, Tung-Tsun Chen
  • Publication number: 20170322177
    Abstract: The present disclosure provides a bio-field effect transistor (BioFET) and a method of fabricating a BioFET device. The method includes forming a BioFET using one or more process steps compatible with or typical to a complementary metal-oxide-semiconductor (CMOS) process. The BioFET device may include a substrate; a gate structure disposed on a first surface of the substrate and an interface layer formed on the second surface of the substrate. The interface layer may allow for a receptor to be placed on the interface layer to detect the presence of a biomolecule or bio-entity.
    Type: Application
    Filed: July 27, 2017
    Publication date: November 9, 2017
    Inventors: Alexander Kalnitsky, Yi-Shao Liu, Kai-Chih Liang, Chia-Hua Chu, Chun-Ren Cheng, Chun-Wen Cheng
  • Publication number: 20170315085
    Abstract: The present disclosure provides a bio-field effect transistor (BioFET) device and methods of fabricating a BioFET and a BioFET device. The method includes forming a BioFET using one or more process steps compatible with or typical to a complementary metal-oxide-semiconductor (CMOS) process. The BioFET device includes a gate structure disposed on a first surface of a substrate and an interface layer formed on a second surface of the substrate. The substrate is thinned from the second surface to expose a channel region before forming the interface layer.
    Type: Application
    Filed: July 14, 2017
    Publication date: November 2, 2017
    Inventors: Yi-Shao LIU, Chun-Ren CHENG, Ching-Ray CHEN, Yi-Hsien CHANG, Fei-Lung LAI, Chun-Wen CHENG
  • Publication number: 20170315084
    Abstract: A device includes a biosensor, a sensing circuit electrically connected to the biosensor, a quantizer electrically connected to the sensing circuit, a digital filter electrically connected to the quantizer, a selective window electrically connected to the digital filter, and a decision unit electrically connected to the selective window.
    Type: Application
    Filed: July 10, 2017
    Publication date: November 2, 2017
    Inventors: Jui-Cheng Huang, Yi-Shao Liu, Chun-Wen Cheng, Tung-Tsun Chen, Chin-Hua Wen
  • Patent number: 9797976
    Abstract: A device includes a first biosensor of a biosensor array; a second biosensor of a biosensor array; a readout circuit electrically connected to the biosensor array; a decoder electrically connected to the biosensor array; a voltage generator electrically connected to the biosensor array; and a decision system electrically connected to the voltage generator and the readout circuit.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: October 24, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY
    Inventors: Chin-Hua Wen, Jui-Cheng Huang, Yi-Shao Liu, Chun-Wen Cheng, Tung-Tsun Chen
  • Patent number: 9791406
    Abstract: The present disclosure provides a bio-field effect transistor (BioFET) and a method of fabricating a BioFET device. The method includes forming a BioFET using one or more process steps compatible with or typical to a complementary metal-oxide-semiconductor (CMOS) process. The BioFET device may include a substrate; a gate structure disposed on a first surface of the substrate and an interface layer formed on the second surface of the substrate. The interface layer may allow for a receptor to be placed on the interface layer to detect the presence of a biomolecule or bio-entity.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: October 17, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Alexander Kalnitsky, Yi-Shao Liu, Kai-Chih Liang, Chia-Hua Chu, Chun-Ren Cheng, Chun-Wen Cheng
  • Publication number: 20170219520
    Abstract: A device layer of an integrated circuit device includes a semiconductor active layer spanning a plurality of device regions. Each of the device regions has a heating element, a temperature sensor, and bioFETs in the device layer. The bioFETs have source/drain regions and channel regions in the semiconductor active layer and fluid gates exposed on a surface for fluid interfacing on one side of the device layer. A multilayer metal interconnect structure is disposed on the opposite side of the device layer. This structure places the heating elements in proximity to the fluid gates enabling localized heating, precision heating, and multiplexed temperature control for multiplexed bio-sensing applications.
    Type: Application
    Filed: April 20, 2017
    Publication date: August 3, 2017
    Inventors: Yi-Shao Liu, Jui-Cheng Huang, Tung-Tsun Chen
  • Publication number: 20170205371
    Abstract: The present disclosure provides a bio-field effect transistor (BioFET) and a method of fabricating a BioFET device. The method includes forming a BioFET using one or more process steps compatible with or typical to a complementary metal-oxide-semiconductor (CMOS) process. The BioFET device may include a substrate; a gate structure disposed on a first surface of the substrate and an interface layer formed on the second surface of the substrate. The interface layer may allow for a receptor to be placed on the interface layer to detect the presence of a biomolecule or bio-entity. An amplification factor of the BioFET device may be provided by a difference in capacitances associated with the gate structure on the first surface and with the interface layer formed on the second surface.
    Type: Application
    Filed: February 2, 2017
    Publication date: July 20, 2017
    Inventors: Yi-Shao LIU, Rashid Bashir, Fel-Lung Lai, Chun-wen Cheng
  • Patent number: 9709524
    Abstract: A device layer of an integrated circuit device includes a semiconductor active layer spanning a plurality of device regions. Each of the device regions has a heating element, a temperature sensor, and bioFETs in the device layer. The bioFETs have source/drain regions and channel regions in the semiconductor active layer and fluid gates exposed on a surface for fluid interfacing on one side of the device layer. A multilayer metal interconnect structure is disposed on the opposite side of the device layer. This structure places the heating elements in proximity to the fluid gates enabling localized heating, precision heating, and multiplexed temperature control for multiplexed bio-sensing applications.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: July 18, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Yi-Shao Liu, Jui-Cheng Huang, Tung-Tsun Chen
  • Patent number: 9709525
    Abstract: The present disclosure provides a bio-field effect transistor (BioFET) device and methods of fabricating a BioFET and a BioFET device. The method includes forming a BioFET using one or more process steps compatible with or typical to a complementary metal-oxide-semiconductor (CMOS) process. The BioFET device includes a gate structure disposed on a first surface of a substrate and an interface layer formed on a second surface of the substrate. The substrate is thinned from the second surface to expose a channel region before forming the interface layer.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: July 18, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yi-Shao Liu, Chun-Ren Cheng, Ching-Ray Chen, Yi-Hsien Chang, Fei-Lung Lai, Chun-Wen Cheng
  • Patent number: 9702846
    Abstract: A device includes a biosensor, a sensing circuit electrically connected to the biosensor, a quantizer electrically connected to the sensing circuit, a digital filter electrically connected to the quantizer, a selective window electrically connected to the digital filter, and a decision unit electrically connected to the selective window.
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: July 11, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Jui-Cheng Huang, Yi-Shao Liu, Chun-Wen Cheng, Tung-Tsun Chen, Chin-Hua Wen
  • Patent number: 9689835
    Abstract: The present disclosure provides a bio-field effect transistor (BioFET) and a method of fabricating a BioFET device. The method includes forming a BioFET using one or more process steps compatible with or typical to a complementary metal-oxide-semiconductor (CMOS) process. The BioFET device may include a substrate; a gate structure disposed on a first surface of the substrate and an interface layer formed on the second surface of the substrate. The interface layer may allow for a receptor to be placed on the interface layer to detect the presence of a biomolecule or bio-entity. An amplification factor of the BioFET device may be provided by a difference in capacitances associated with the gate structure on the first surface and with the interface layer formed on the second surface.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: June 27, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yi-Shao Liu, Rashid Bashir, Fei-Lung Lai, Chun-wen Cheng
  • Patent number: 9625493
    Abstract: The present disclosure provides a biosensor device wafer testing and processing methods, system and apparatus. The biosensor device wafer includes device areas separated by scribe lines. A number of test areas that allow fluidic electrical testing are embedded in scribe lines or in device areas. An integrated electro-microfluidic probe card includes a fluidic mount that may be transparent, a microfluidic channels in the fluidic mount in a testing portion, at least one microfluidic probe and a number of electronic probe tips at the bottom of the fluidic mount, fluidic and electronic input and output ports on the sides of the fluidic mount, and at least one handle lug on the fluidic mount. The method includes aligning a wafer, mounting the integrated electro-microfluidic probe card, flowing one or more test fluids in series, and measuring and analyzing electrical properties to determine process qualities and an acceptance level of the wafer.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: April 18, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yi-Shao Liu, Chun-Ren Cheng, Chun-Wen Cheng
  • Patent number: 9616617
    Abstract: The present disclosure provides a biochip and methods of fabricating. The biochip includes a fluidic part and a sensing part bonded together using a polymer. The fluidic part has microfluidic channel pattern on one side and fluidic inlet and fluidic outlet on the other side that are fluidly connected to the microfluidic channel pattern. The fluidic inlet and fluidic outlet are formed by laser drilling after protecting the microfluidic channel pattern with a sacrificial protective layer. The polymer bonding is performed at low temperature without damaging patterned surface chemistry on a sensing surface of the sensing part.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: April 11, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Wei-Cheng Shen, Yi-Shao Liu, Yi-Hsien Chang, Chun-Ren Cheng
  • Publication number: 20170065958
    Abstract: The present disclosure relates to a method of depositing a fluid onto a substrate. In some embodiments, the method may be performed by mounting a substrate to a micro-fluidic probe card, so that the substrate abuts a cavity within the micro-fluidic probe card that is in communication with a fluid inlet and a fluid outlet. A first fluidic chemical is selectively introduced into the cavity via the fluid inlet of the micro-fluidic probe card.
    Type: Application
    Filed: November 18, 2016
    Publication date: March 9, 2017
    Inventors: Chun-Wen Cheng, Jung-Huei Peng, Yi-Shao Liu, Fei-Lung Lai, Shang-Ying Tsai
  • Publication number: 20170059515
    Abstract: A method for testing a partially fabricated bio-sensor device wafer includes aligning the partially fabricated bio-sensor device wafer on a wafer stage of a wafer-level bio-sensor processing tool. The method further includes mounting an integrated electro-microfluidic probe card to a device area on the partially fabricated bio-sensor device wafer, wherein the electro-microfluidic probe card has a first major surface. The method further includes electrically connecting one or more electronic probe tips disposed on the first major surface of the integrated electro-microfluidic probe card to conductive areas of the device area. The method further includes flowing a test fluid from a fluid supply to the integrated electro-microfluidic probe card. The method further includes electrically measuring via the one or more electronic probe tips a first electrical property of one or more bio-FETs of the device area based on the test fluid flow.
    Type: Application
    Filed: November 14, 2016
    Publication date: March 2, 2017
    Inventors: Yi-Shao LIU, Fei-Lung LAI, Chun-Ren CHENG, Chun-Wen CHENG
  • Publication number: 20170023521
    Abstract: The present disclosure provides a bio-field effect transistor (BioFET) and a method of fabricating a BioFET device. The method includes forming a BioFET using one or more process steps compatible with or typical to a complementary metal-oxide-semiconductor (CMOS) process. The BioFET device may include a substrate; a gate structure disposed on a first surface of the substrate and an interface layer formed on the second surface of the substrate. The interface layer may allow for a receptor to be placed on the interface layer to detect the presence of a biomolecule or bio-entity.
    Type: Application
    Filed: October 3, 2016
    Publication date: January 26, 2017
    Inventors: Alexander KALNITSKY, Yi-Shao LIU, Kai-Chih LIANG, Chia-Hua CHU, Chun-Ren CHENG, Chun-Wen CHENG
  • Patent number: 9523642
    Abstract: The present disclosure provides a biological field effect transistor (BioFET) device testing and processing methods, system and apparatus. A wafer-level bio-sensor processing tool includes a wafer stage, an integrated electro-microfluidic probe card, and a fluid supply and return. The integrated electro-microfluidic probe card includes a fluidic mount that may be transparent, a microfluidic channels in the fluidic mount, at least one microfluidic probe and a number of electronic probe tips at the bottom of the fluidic mount, fluidic and electronic input and output ports on the sides of the fluidic mount, and at least one handle lug on the fluidic mount. The method includes aligning a wafer, mounting the integrated electro-microfluidic probe card, flowing a test fluid, and measuring electrical properties. The tool may also be used for stamping or printing a fluid in the device area on the wafer.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: December 20, 2016
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Yi-Shao Liu, Fei-Lung Lai, Chun-Ren Cheng, Chun-Wen Cheng
  • Publication number: 20160341656
    Abstract: The present disclosure relates to an integrated chip having an integrated optical bio-sensor, and an associated method of fabrication. In some embodiments, the integrated optical bio-sensor has a sensing device arranged within a semiconductor substrate. An optical waveguide structure is located over a first side of the semiconductor substrate at a position over the sensing device. A dielectric structure is disposed onto the optical waveguide structure at a position that separates the optical waveguide structure from a sample retention area configured to receive a sample solution.
    Type: Application
    Filed: May 22, 2015
    Publication date: November 24, 2016
    Inventors: Yi-Shao Liu, Emerson Cheng, Yi-Hsien Chang, Chun-Ren Cheng, Ching-Ray Chen, Alex Kalnitsky, Allen Timothy Chang
  • Publication number: 20160334362
    Abstract: A device layer of an integrated circuit device includes a semiconductor active layer spanning a plurality of device regions. Each of the device regions has a heating element, a temperature sensor, and bioFETs in the device layer. The bioFETs have source/drain regions and channel regions in the semiconductor active layer and fluid gates exposed on a surface for fluid interfacing on one side of the device layer. A multilayer metal interconnect structure is disposed on the opposite side of the device layer. This structure places the heating elements in proximity to the fluid gates enabling localized heating, precision heating, and multiplexed temperature control for multiplexed bio-sensing applications.
    Type: Application
    Filed: May 15, 2015
    Publication date: November 17, 2016
    Inventors: Yi-Shao Liu, Jui-Cheng Huang, Tung-Tsun Chen