Patents by Inventor Kuang-Kuo Koai

Kuang-Kuo Koai 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: 20240084450
    Abstract: A shower head structure and a plasma processing apparatus are provided. The shower head structure includes a plate body with a first zone and a second zone on a first surface. A plurality of first through holes are in the first zone, each of the first through holes having a diameter uniform with others of the first through holes. A plurality of second through holes are in the second zone. The first zone is in connection with the second zone, and the diameter of each of the first through holes is greater than a diameter of each of the second through holes. A plasma processing apparatus includes the shower head structure is also provided.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 14, 2024
    Inventors: HUAN-CHIEH CHEN, JHIH-REN LIN, TAI-PIN LIU, SHYUE-SHIN TSAI, KEITH KUANG-KUO KOAI
  • Patent number: 11859284
    Abstract: A shower head structure and a plasma processing apparatus are provided. The shower head structure includes a plate body with a first zone and a second zone on a first surface. A plurality of first through holes are in the first zone, each of the first through holes having a diameter uniform with others of the first through holes. A plurality of second through holes are in the second zone. The first zone is in connection with the second zone, and the diameter of each of the first through holes is greater than a diameter of each of the second through holes. A plasma processing apparatus includes the shower head structure is also provided.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: January 2, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Huan-Chieh Chen, Jhih-Ren Lin, Tai-Pin Liu, Shyue-Shin Tsai, Keith Kuang-Kuo Koai
  • Publication number: 20230375909
    Abstract: An EUV reflective structure includes a substrate and multiple pairs of a Si layer and a Mo layer. The Si layer includes a plurality of cavities.
    Type: Application
    Filed: July 28, 2023
    Publication date: November 23, 2023
    Inventors: Benny KU, Keith Kuang-Kuo KOAI, Wen-Hao CHENG
  • Patent number: 11762280
    Abstract: An EUV reflective structure includes a substrate and multiple pairs of a Si layer and a Mo layer. The Si layer includes a plurality of cavities.
    Type: Grant
    Filed: July 27, 2022
    Date of Patent: September 19, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Benny Ku, Keith Kuang-Kuo Koai, Wen-Hao Cheng
  • Patent number: 11699574
    Abstract: In a method, an aluminum body is chemically treated with at least one of an alkaline solution and an acid solution. Anode-oxidization is performed on the chemically treated aluminum body to form an aluminum oxide layer. The aluminum oxide layer is treated with hot water at a temperature more than 75° C. or steam. The aluminum oxide layer after being treated with hot water or steam includes plural columnar grains, and an average width of the columnar grains is in a range from 10 nm to 100 nm.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: July 11, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Ru-Chien Chiu, Bing-Hung Chen, Keith Kuang-Kuo Koai
  • Publication number: 20230095741
    Abstract: The present disclosure provides a wet chemical heating system and a method of transporting wet chemical. The method includes providing a wet chemical in a conduit, heating the wet chemical by a first radiative heating unit at a first portion of the conduit, including elevating a temperature of the wet chemical at the first portion of the conduit to a first temperature greater than a second temperature of the first portion of the conduit; and dispensing the wet chemical from the conduit.
    Type: Application
    Filed: December 1, 2022
    Publication date: March 30, 2023
    Inventors: JI JAMES CUI, CHIA-HSUN CHANG, CHIH HUNG CHEN, LIANG-GUANG CHEN, TZU KAI LIN, CHYI SHYUAN CHERN, KEITH KUANG-KUO KOAI
  • Patent number: 11517995
    Abstract: The present disclosure provides a wet chemical heating system, including a first conduit for transporting wet chemical, a dispensing head connected to the first conduit, and a radiative heating element configured to heat the wet chemical in the first conduit and positioned at an upper stream of the dispensing head.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: December 6, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Ji James Cui, Chia-Hsun Chang, Chih Hung Chen, Liang-Guang Chen, Tzu Kai Lin, Chyi Shyuan Chern, Keith Kuang-Kuo Koai
  • Publication number: 20220365416
    Abstract: An EUV reflective structure includes a substrate and multiple pairs of a Si layer and a Mo layer. The Si layer includes a plurality of cavities.
    Type: Application
    Filed: July 27, 2022
    Publication date: November 17, 2022
    Inventors: Benny KU, Keith Kuang-Kuo KOAI, Wen-Hao CHENG
  • Publication number: 20220359169
    Abstract: The present disclosure provides a method for fabricating a semiconductor structure, including placing a wafer on a chuck, wherein the wafer is surrounded by a focus ring, the focus ring is supported by a first actuator, wherein the first actuator is in a cavity defined by the chuck and the edge ring, wherein the first actuator includes an outer ring disposed in the cavity, a piezoelectric layer apart from a top surface of the cavity, wherein an edge of the piezoelectric layer is fixed by the outer ring, and an inner ring disposed in the chamber at a center portion of the piezoelectric layer, performing plasma etch on a surface of the wafer, and controlling a distance between a gas distribution plate and a top surface of the focus ring to be less than a threshold value by the first actuator.
    Type: Application
    Filed: July 27, 2022
    Publication date: November 10, 2022
    Inventors: KEITH KUANG-KUO KOAI, SHIH-KUO LIU, WEN-CHIH WANG, HSIN-LIANG CHEN
  • Patent number: 11454877
    Abstract: An EUV reflective structure includes a substrate and multiple pairs of a Si layer and a Mo layer. The Si layer includes a plurality of cavities.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: September 27, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Benny Ku, Keith Kuang-Kuo Koai, Wen-Hao Cheng
  • Patent number: 11443923
    Abstract: The present disclosure provides an apparatus for fabricating a semiconductor structure, including a chuck, an edge ring surrounding the chuck, wherein the edge ring comprises a cavity, a focus ring adjacent to an edge of the chuck and over the edge ring, and a first actuator in the cavity of the edge ring and engaging with the focus ring.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: September 13, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Keith Kuang-Kuo Koai, Shih-Kuo Liu, Wen-Chih Wang, Hsin-Liang Chen
  • Publication number: 20220250124
    Abstract: An apparatus includes a casing configured to be detachably mounted on a workpiece. The casing includes a first opening configured to expose a portion of the workpiece; a first support member coupled to the casing and constructed to move along a first axis through the casing and rotate around the first axis; a second support member coupled to the first support member and constructed to move along a second axis perpendicular to the first axis; an arm pivotally coupled to the second support member and constructed to rotate around a third axis perpendicular to the first axis and the second axis; and a cleaning head attached to the arm and constructed to rotate around a longitudinal axis of the arm. The casing includes a first plate and a second plate opposite to the first plate, wherein the cleaning head is configured to extend outside the casing through the first opening.
    Type: Application
    Filed: April 26, 2022
    Publication date: August 11, 2022
    Inventors: SHIH-KUO LIU, CHIA-HSUN CHANG, KEITH KUANG-KUO KOAI, WAI HONG CHEAH, MING-CHUAN HUNG
  • Patent number: 11318506
    Abstract: An apparatus includes a first support member coupled to a casing and constructed to move along a first axis through the casing and rotate around the first axis, a second support member coupled to the first support member and constructed to move along a second axis perpendicular to the first axis, and an arm pivotally coupled to the second support member and constructed to rotate around a third axis perpendicular to the first axis and the second axis. The apparatus also includes a cleaning head attached to the arm and constructed to rotate around a longitudinal axis of the arm.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: May 3, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Shih-Kuo Liu, Chia-Hsun Chang, Keith Kuang-Kuo Koai, Wai Hong Cheah, Ming-Chuan Hung
  • Patent number: 11214868
    Abstract: The present disclosure provides a blocker plate, including a plate body having a plurality of through holes, a first zone from a center to a first radius of the plate body, having a first conductance, a second zone from the first radius to a second radius of the plate body, having a second conductance, a third zone from the second radius to a third radius of the plate body, having a third conductance, wherein the first radius is smaller than the second radius, the second radius is smaller than the third radius, and the second conductance is greater than the first conductance. A chemical vapor deposition (CVD) apparatus including the blocker plate is also disclosed.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: January 4, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Huan-Chieh Chen, Chao-Chun Wang, Chih-Yu Wu, Keith Kuang-Kuo Koai
  • Patent number: 11067515
    Abstract: An apparatus for inspecting a wafer process chamber is disclosed. In one example, the apparatus includes: a sensor, a processor, and a lifetime predictor. The sensor captures information about at least one hardware part of the wafer process chamber. The processor processes the information to determine a hardware condition of the at least one hardware part. The lifetime predictor predicts an expected lifetime left for the at least one hardware part based on the hardware condition.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: July 20, 2021
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Stanley Shin, Kai-Hsiang Chang, Sheng Cho Lin, Keith Kuang-Kuo Koai
  • Publication number: 20210090935
    Abstract: The present disclosure provides an apparatus for fabricating a semiconductor structure, including a chuck, an edge ring surrounding the chuck, wherein the edge ring comprises a cavity, a focus ring adjacent to an edge of the chuck and over the edge ring, and a first actuator in the cavity of the edge ring and engaging with the focus ring.
    Type: Application
    Filed: September 25, 2019
    Publication date: March 25, 2021
    Inventors: KEITH KUANG-KUO KOAI, SHIH-KUO LIU, WEN-CHIH WANG, HSIN-LIANG CHEN
  • Publication number: 20210054506
    Abstract: A shower head structure and a plasma processing apparatus are provided. The shower head structure includes a plate body with a first zone and a second zone on a first surface. A plurality of first through holes are in the first zone, each of the first through holes having a diameter uniform with others of the first through holes. A plurality of second through holes are in the second zone. The first zone is in connection with the second zone, and the diameter of each of the first through holes is greater than a diameter of each of the second through holes. A plasma processing apparatus includes the shower head structure is also provided.
    Type: Application
    Filed: August 23, 2019
    Publication date: February 25, 2021
    Inventors: HUAN-CHIEH CHEN, JHIH-REN LIN, TAI-PIN LIU, SHYUE-SHIN TSAI, KEITH KUANG-KUO KOAI
  • Publication number: 20210005433
    Abstract: In a method, an aluminum body is chemically treated with at least one of an alkaline solution and an acid solution. Anode-oxidization is performed on the chemically treated aluminum body to form an aluminum oxide layer. The aluminum oxide layer is treated with hot water at a temperature more than 75° C. or steam. The aluminum oxide layer after being treated with hot water or steam includes plural columnar grains, and an average width of the columnar grains is in a range from 10 nm to 100 nm.
    Type: Application
    Filed: September 21, 2020
    Publication date: January 7, 2021
    Inventors: Ru-Chien CHIU, Bing-Hung CHEN, Keith Kuang-Kuo KOAI
  • Patent number: 10876208
    Abstract: The present disclosure provides an apparatus for fabricating a semiconductor device, including a reaction chamber having a gas inlet for receiving a gas flow, a pedestal in the reaction chamber configured to support a substrate, and a first gas distribution plate (GDP) in the reaction chamber and between the gas inlet and the pedestal, wherein the first GDP is configured to include a plurality of concentric regions arranged along a radial direction, and a plurality of first holes arranged in the concentric regions of the first GDP, an open ratio of the first GDP in an outer concentric region is greater than that in an inner concentric region proximal to the outer concentric region to redistribute the gas flow.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: December 29, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Kai-Hsiang Chang, Keith Kuang-Kuo Koai
  • Patent number: 10868241
    Abstract: The present disclosure provides a method for fabricating a magnetic semiconductor device, including receiving a semiconductor wafer, disposing the semiconductor wafer under a first electromagnetic element, wherein the first electromagnetic element comprises a primary dimension and a secondary dimension from a top view perspective, the primary dimension being greater than the secondary dimension, and displacing the semiconductor wafer along a predetermined path along the secondary dimension of the first electromagnetic element.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: December 15, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Jim-Wei Wu, Li Tseng, Chia-Hsun Chang, Wen-Chih Wang, Keith Kuang-Kuo Koai