Patents by Inventor Wen-Kai CHUANG

Wen-Kai CHUANG 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).

  • Redistribution lines with protection layers and method forming same
    Patent number: 12009256
    Abstract: A method includes forming a metal seed layer over a first conductive feature of a wafer, forming a patterned photo resist on the metal seed layer, forming a second conductive feature in an opening in the patterned photo resist, and heating the wafer to generate a gap between the second conductive feature and the patterned photo resist. A protection layer is plated on the second conductive feature. The method further includes removing the patterned photo resist, and etching the metal seed layer.
    Type: Grant
    Filed: June 20, 2023
    Date of Patent: June 11, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Ming-Da Cheng, Wen-Hsiung Lu, Chin Wei Kang, Yung-Han Chuang, Lung-Kai Mao, Yung-Sheng Lin
  • Medical contrast agent made of microbubbles containing fluorescent gold nanoclusters
    Patent number: 9523032
    Abstract: A medical contrast agent made of microbubbles containing Au nanoclusters is provided. The shell of the microbubbles contains fluorescent Au nanocluster-albumin complex, and the core contains air or fluorocarbons. The method for preparing the microbubbles is also disclosed.
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: December 20, 2016
    Assignee: CHUNG YUAN CHRISTIAN UNIVERSITY
    Inventors: Cheng-An J. Lin, Walter Hong-Shong Chang, Chih-Hsien Lee, Wen-Kai Chuang
  • Medical Contrast Agent Made of Microbubbles Containing Fluorescent Gold Nanoclusters
    Publication number: 20140360981
    Abstract: A medical contrast agent made of microbubbles containing Au nanoclusters is provided. The shell of the microbubbles contains fluorescent Au nanocluster-albumin complex, and the core contains air or fluorocarbons. The method for preparing the microbubbles is also disclosed.
    Type: Application
    Filed: August 26, 2014
    Publication date: December 11, 2014
    Inventors: Cheng-An J. Lin, Walter Hong-Shong CHANG, Chih-Hsien LEE, Wen-Kai CHUANG
  • Medical Contrast Agent Made of Microbubbles Containing Fluorescent Gold Nanoclusters
    Publication number: 20120195833
    Abstract: A medical contrast agent made of microbubbles containing Au nanoclusters is provided. The shell of the microbubbles contains fluorescent Au nanocluster-albumin complex, and the core contains air or fluorocarbons. The method for preparing the microbubbles is also disclosed.
    Type: Application
    Filed: February 1, 2011
    Publication date: August 2, 2012
    Applicant: CHUNG YUAN CHRISTIAN UNIVERSITY
    Inventors: Cheng-An J. Lin, Walter Hong-Shong CHANG, Chih-Hsien LEE, Wen-Kai CHUANG