Patents by Inventor Katherine H. Chiang

Katherine H. Chiang 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: 20240385056
    Abstract: The present disclosure describes an embodiment of a thin film transistor based temperature sensor circuit. The thin film transistor based temperature sensor circuit includes a first frequency generator with thin film transistors, a second frequency generator with complementary metal oxide semiconductor transistors, first and second counter devices, and a processor device. The first and second counter devices are configured to count a number of first pulses and a number of second pulses from the first frequency generator and second frequency generator, respectively. The processor device is configured to determine a frequency based on the number of first and second pulses.
    Type: Application
    Filed: July 31, 2024
    Publication date: November 21, 2024
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Shih-Lien Linus LU, Katherine H. CHIANG
  • Patent number: 12146798
    Abstract: The present disclosure describes an embodiment of a thin film transistor based temperature sensor circuit. The thin film transistor based temperature sensor circuit includes a first frequency generator with thin film transistors, a second frequency generator with complementary metal oxide semiconductor transistors, first and second counter devices, and a processor device. The first and second counter devices are configured to count a number of first pulses and a number of second pulses from the first frequency generator and second frequency generator, respectively. The processor device is configured to determine a frequency based on the number of first and second pulses.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: November 19, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Shih-Lien Linus Lu, Katherine H. Chiang
  • Patent number: 12150306
    Abstract: In an embodiment, a device includes: a pair of dielectric layers; a word line between the dielectric layers, sidewalls of the dielectric layers being recessed from a sidewall of the word line; a tunneling strip on a top surface of the word line, the sidewall of the word line, a bottom surface of the word line, and the sidewalls of the dielectric layers; a semiconductor strip on the tunneling strip; a bit line contacting a sidewall of the semiconductor strip; and a source line contacting the sidewall of the semiconductor strip.
    Type: Grant
    Filed: August 10, 2022
    Date of Patent: November 19, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chia Yu Ling, Chung-Te Lin, Katherine H. Chiang
  • Patent number: 12148471
    Abstract: A memory device, an operation method of a memory cell in a memory device and a semiconductor die are provided. A computational memory cell in the memory device includes: a field effect transistor (FET), with a changeable threshold voltage; and resistive storage devices, connected by a common terminal coupled to a source/drain terminal of the FET. By altering the threshold voltage of the FET, a logic function of the computational memory cell can be changed. During a logic operation, inputs are provided to the computational memory cell as resistance states of the resistive storage devices, and a current passing through a conduction channel of the FET is functioned as an output for the logic operation.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: November 19, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yun-Feng Kao, Katherine H Chiang
  • Patent number: 12149643
    Abstract: The present disclosure describes embodiments of a device with memory and a processor. The memory is configured to store integrated circuit (IC) trim and redundancy information. The processor is configured to extract bits from the IC trim and redundancy information, perform a hashing function on the extracted bits to generate hashed bits, and in response to statistical properties of the hashed bits meeting one or more criteria, output the hashed bits. In some embodiments, the memory that stores the IC trim and redundancy information can be different from other memory used by the device for other operations (e.g., accessing user data and program data that have been written into system memory).
    Type: Grant
    Filed: November 21, 2023
    Date of Patent: November 19, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Katherine H. Chiang, Shih-Lien Linus Lu
  • Patent number: 12148691
    Abstract: A three-dimensional integrated structure and the manufacturing method(s) thereof are described. The three-dimensional integrated structure includes a substrate having conductive features therein, and a component array disposed over the substrate and on the conductive features. The component array includes a metallic material layer and capacitor structures separated by the metallic material layer. Each of the capacitor structures includes a first metallic pillar, a first dielectric sheath surrounding the first metallic pillar, a second metallic sheath surrounding the first dielectric sheath, and a second dielectric sleeve surrounding the second metallic sheath. The metallic material layer laterally encapsulates the capacitor structures.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: November 19, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yun-Feng Kao, Chien-Hao Huang, Gao-Ming Wu, Katherine H Chiang
  • Publication number: 20240381657
    Abstract: In an embodiment, a device includes: a pair of dielectric layers; a word line between the dielectric layers, sidewalls of the dielectric layers being recessed from a sidewall of the word line; a tunneling strip on a top surface of the word line, the sidewall of the word line, a bottom surface of the word line, and the sidewalls of the dielectric layers; a semiconductor strip on the tunneling strip; a bit line contacting a sidewall of the semiconductor strip; and a source line contacting the sidewall of the semiconductor strip.
    Type: Application
    Filed: July 25, 2024
    Publication date: November 14, 2024
    Inventors: Chia Yu Ling, Chung-Te Lin, Katherine H. Chiang
  • Publication number: 20240379876
    Abstract: A transistor device including source and drain electrodes, a fin structure extending between and contacting respective sidewalls of the source and drain electrodes, a semiconductor channel layer over the upper surface and side surfaces of the fin structure and including a first and second vertical portions over the side surfaces of the fin structure, and the first and second vertical portions of the semiconductor channel layer both contact the respective sidewalls of the source electrode and the drain electrode, a gate dielectric layer over the semiconductor channel layer, and a gate electrode over the gate dielectric layer. By forming the semiconductor channel layer over a fin structure extending between sidewalls of the source and drain electrodes, a contact area between the semiconductor channel and the source and drain electrodes may be increased, which may provide increased driving current for the transistor device without increasing the device size.
    Type: Application
    Filed: July 25, 2024
    Publication date: November 14, 2024
    Inventors: Yun-Feng KAO, Katherine H. CHIANG
  • Publication number: 20240381613
    Abstract: Various embodiments of the present application are directed towards an integrated circuit including a plurality of semiconductor devices disposed on a substrate. A dielectric structure overlies the semiconductor devices. A plurality of conductive interconnect elements are disposed within the dielectric structure and are electrically coupled to one or more of the semiconductor devices. A data backup unit overlies the plurality of conductive interconnect elements. The data backup unit includes a first source/drain structure, a second source/drain structure, a channel layer laterally extending over the first and second source/drain structures, a first upper gate structure, and a second upper gate structure. The first and second upper gate structures overlie the channel layer.
    Type: Application
    Filed: July 25, 2024
    Publication date: November 14, 2024
    Inventors: Yun-Feng Kao, Katherine H. Chiang
  • Publication number: 20240377352
    Abstract: Various embodiments of the present application are directed towards an ion-sensitive field-effect transistor for enhanced sensitivity. In some embodiments, a substrate comprises a pair of first source/drain regions and a pair of second source/drain regions. Further, a first gate electrode and a second gate electrode underlie the substrate. The first gate electrode is laterally between the first source/drain regions, and the second gate electrode is laterally between the second source/drain regions. An interconnect structure underlies the substrate and defines conductive paths electrically shorting the second source/drain regions and the second gate electrode together. A passivation layer is over the substrate and defines a first well and a second well. The first and second wells respectively overlie the first and second gate electrodes, and a sensing layer lines the substrate in the first and second wells. In some embodiments, sensing probes are in the first well, but not the second well.
    Type: Application
    Filed: July 23, 2024
    Publication date: November 14, 2024
    Inventors: Katherine H. Chiang, Jui-Cheng Huang, Ke-Wei Su, Tung-Tsun Chen, Wei Lee, Pei-Wen Liu
  • Publication number: 20240379685
    Abstract: A semiconductor device structure providing a NOT gate logic function includes a layer stack including a pair of semiconductor layers having opposite conductivity-types, and a dielectric isolation layer disposed therebetween. First and second electrodes are located on a first side of the layer stack, where the first electrode contacts a first side surface of a first semiconductor layer and a second electrode contacts a first side surface a second semiconductor layer. A third electrode located on a second side of the layer stack contacts a second side surface of the first semiconductor layer and a second side surface of the second semiconductor layer. A gate dielectric layer is located over two side surfaces of the layer stack. A pair of gate electrodes located on either side of the layer stack contacts the gate dielectric layer. The semiconductor device structure may be fabricated using a BEOL process using metal-oxide semiconductor materials.
    Type: Application
    Filed: May 8, 2023
    Publication date: November 14, 2024
    Inventors: Yun-Feng KAO, Katherine H. CHIANG
  • Publication number: 20240379735
    Abstract: A disclosed method of manufacturing a capacitor structure includes forming an alternating dielectric stack comprising first dielectric layers and second dielectric layers on a substrate and forming a trench through the alternating stack of first dielectric layers and second dielectric layers. The disclosed method includes etching the first dielectric layers from the trench to form notches between the second dielectric layers and forming a bottom electrode layer covering the first dielectric layers and the second dielectric layers. The disclosed method includes forming a third dielectric layer over the bottom electrode layer and forming a top electrode layer over the third dielectric layer.
    Type: Application
    Filed: July 19, 2024
    Publication date: November 14, 2024
    Inventors: Yun-Feng KAO, Ming-Yen CHUANG, Katherine H. CHIANG, Chien-Hao HUANG
  • Patent number: 12142695
    Abstract: A transistor device including source and drain electrodes, a fin structure extending between and contacting respective sidewalls of the source and drain electrodes, a semiconductor channel layer over the upper surface and side surfaces of the fin structure and including a first and second vertical portions over the side surfaces of the fin structure, and the first and second vertical portions of the semiconductor channel layer both contact the respective sidewalls of the source electrode and the drain electrode, a gate dielectric layer over the semiconductor channel layer, and a gate electrode over the gate dielectric layer. By forming the semiconductor channel layer over a fin structure extending between sidewalls of the source and drain electrodes, a contact area between the semiconductor channel and the source and drain electrodes may be increased, which may provide increased driving current for the transistor device without increasing the device size.
    Type: Grant
    Filed: January 14, 2022
    Date of Patent: November 12, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Yun-Feng Kao, Katherine H. Chiang
  • Publication number: 20240373623
    Abstract: A semiconductor structure includes a two-dimensional array of unit cell structures overlying a substrate. Each unit cell structure includes an active layer, a gate dielectric underlying the active layer, two gate electrodes underlying the gate dielectric, and two source electrodes and a drain electrode overlying the active layer. Word lines underlie the active layers. Each unit cell structure includes portions of a respective set of four word lines, which includes two word lines that are electrically connected to two electrodes in the unit cell structure and two additional word lines that are electrically isolated from the two electrodes in the unit cell structure.
    Type: Application
    Filed: July 21, 2024
    Publication date: November 7, 2024
    Inventors: Ming-Yen CHUANG, Chia LING, Katherine H. CHIANG, Chung-Te LIN
  • Publication number: 20240371953
    Abstract: A transistor includes a gate electrode, a gate dielectric layer covering the gate electrode, an active layer covering the gate dielectric layer and including a first metal oxide material, and source/drain electrodes disposed on the active layer and made of a second metal oxide material with an electron concentration of at least about 1018 cm?3. A semiconductor structure and a manufacturing method are also provided.
    Type: Application
    Filed: July 18, 2024
    Publication date: November 7, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ming-Yen Chuang, Chang-Lin Yang, Katherine H. CHIANG, Mauricio MANFRINI
  • Patent number: 12136517
    Abstract: A capacitor structure, a method for manufacturing a capacitor structure and a method for operating a capacitor structure are provided. The capacitor structure includes a first electrode and a second electrode; a dielectric layer between the first electrode and the second electrode; and an oxygen donor layer between the dielectric layer and the first electrode. An oxygen concentration of the oxygen donor layer increases along a thickness direction from a first surface proximal to the dielectric layer to a second surface proximal to the first electrode.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: November 5, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Hsin-Yu Lai, Katherine H. Chiang
  • Patent number: 12137573
    Abstract: A two-dimensional array of discrete dielectric template structures is formed over a substrate. A first dielectric spacer matrix may be formed in lower portions of the trenches between the discrete dielectric template structures. A second dielectric spacer matrix layer may be formed in upper portions of the trenches. A pair of a source cavity and a drain cavity may be formed within a volume of each of the discrete dielectric template structures. A source electrode and a drain electrode may be formed in each source cavity and each drain cavity, respectively. The gate electrodes may be formed prior to, or after, formation of the two-dimensional array of discrete dielectric template structures to provide a two-dimensional array of field effect transistors that may be connected to, or may contain, memory elements.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: November 5, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Gao-Ming Wu, Katherine H. Chiang, Chien-Hao Huang, Chung-Te Lin
  • Patent number: 12136457
    Abstract: A memory device may include at least one multinary memory cell. Each multinary memory cell includes a parallel connection of N sub-bit units. N is an integer greater than 1. Each of the N sub-bit units includes a series connection of a respective transistor and a respective capacitor. A first sub-bit unit includes a first capacitor having a capacitance of C, and each i-th sub-unit includes an i-th capacitor having a capacitance of about 2i-1×C. A multinary bit having 2N values may be stored. A device network including multiple multinary logic units is also provided. Each of multiple multinary logic unit includes a parallel connection of N sub-bit units. Each sub-bit unit includes a series connection of a respective transistor and a respective capacitor having capacitance ratios of powers of 2.
    Type: Grant
    Filed: July 18, 2023
    Date of Patent: November 5, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Katherine H. Chiang, Chung-Te Lin
  • Publication number: 20240363706
    Abstract: Semiconductor structures and methods of forming the same are provided. A semiconductor structure includes gate electrodes and first insulation patterns laterally disposed and alternately arranged on a substrate, a gate dielectric layer disposed on the gate electrodes and the first insulation patterns, at least one channel pattern disposed on the gate dielectric layer, source electrodes and drain electrodes laterally disposed and alternately arranged on the channel pattern, and second insulation patterns disposed on the channel pattern between the source and drain electrodes. Besides, from a top view, each of the drain electrodes is overlapped with one of the first insulation patterns.
    Type: Application
    Filed: July 11, 2024
    Publication date: October 31, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chien-Hao Huang, Gao-Ming Wu, Katherine H CHIANG, Chung-Te Lin
  • Publication number: 20240363525
    Abstract: An embodiment inverter circuit may include a gate electrode formed over an interlayer dielectric layer, a gate dielectric layer formed over the gate electrode, a first-conductivity-type semiconductor layer formed over the gate dielectric layer, a second-conductivity-type semiconductor layer formed over the gate dielectric layer and laterally displaced from the first-conductivity-type semiconductor layer, a first source electrode formed in contact with the first-conductivity-type semiconductor layer, a second source electrode formed in contact with the second-conductivity-type semiconductor layer, and a shared drain electrode formed in contact with the first-conductivity-type semiconductor layer and the second-conductivity-type semiconductor layer.
    Type: Application
    Filed: April 26, 2023
    Publication date: October 31, 2024
    Inventors: Yun-Feng Kao, Katherine H. Chiang