Patents by Inventor Chia-Jen Leu

Chia-Jen Leu 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: 20220406608
    Abstract: A method includes providing a substrate of a first conductivity type, the substrate including a first circuit region and a second circuit region; forming a first well region of a second conductivity type in the first circuit region of the substrate; forming a first doped region of the second conductivity type in the first well region; forming a diode in the second circuit region of the substrate; forming a first transistor and a second transistor over the substrate in the first circuit region and the second circuit region, respectively; forming a discharge structure over the substrate to electrically couple the first doped region to the diode; and forming a metallization layer over the discharge structure to electrically couple the first transistor to the second transistor subsequent to the forming of the diode, wherein charges accumulated in the first well region are drained to the substrate through the discharge structure.
    Type: Application
    Filed: June 18, 2021
    Publication date: December 22, 2022
    Inventors: YAO-JEN TSAI, KENG-HUI LIAO, CHIH-KAI YANG, CHIH-FU CHANG, CHIA-JEN LEU, CHIN-YUAN KO
  • Publication number: 20130320522
    Abstract: An embodiment is a semiconductor device comprising a contact pad over a substrate, wherein the contact pad is disposed over an integrated circuit on the substrate and a first passivation layer over the contact pad. A first via in the first passivation layer, wherein the first via has more than four sides, and wherein the first via extends to the contact pad.
    Type: Application
    Filed: May 30, 2012
    Publication date: December 5, 2013
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Feng-Liang Lai, Kai-Yuan Yang, Chia-Jen Leu, Sheng Chiang Hung