Patents by Inventor Zhimin CHANG

Zhimin CHANG 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: 20240088071
    Abstract: Methods for reducing resistivity of metal gapfill include depositing a conformal layer in an opening of a feature and on a field of a substrate with a first thickness of the conformal layer of approximately 10 microns or less, depositing a non-conformal metal layer directly on the conformal layer at a bottom of the opening and directly on the field using an anisotropic deposition process. A second thickness of the non-conformal metal layer on the field and on the bottom of the feature is approximately 30 microns or greater. And depositing a metal gapfill material in the opening of the feature and on the field where the metal gapfill material completely fills the opening without any voids.
    Type: Application
    Filed: September 14, 2022
    Publication date: March 14, 2024
    Inventors: Yi XU, Yu LEI, Zhimin QI, Aixi ZHANG, Xianyuan ZHAO, Wei LEI, Xingyao GAO, Shirish A. PETHE, Tao HUANG, Xiang CHANG, Patrick Po-Chun LI, Geraldine VASQUEZ, Dien-yeh WU, Rongjun WANG
  • Publication number: 20200382939
    Abstract: The invention discloses a wireless access system, a configuration method, and wireless routing device, and it belongs to the technical field of wireless network deployment. The wireless access system comprises a plurality of wireless routing devices, and each of the plurality of wireless routing devices comprises: a virtual access network constructed by using a local area network of the wireless routing device; a forwarding unit for forwarding external data received by the virtual access network to an external network; a configuration unit for configuring various access parameters of the virtual access network constructed in the virtual access network; a configuration server configured to issue a configuration scheme to each configuration unit so as to control the configuration units to configure all of the plurality of wireless routing devices with uniform access parameters; the virtual access network works in a three-layer network mode.
    Type: Application
    Filed: March 26, 2020
    Publication date: December 3, 2020
    Inventors: Ke ZHOU, Zhimin Chang
  • Patent number: 10813007
    Abstract: The invention discloses a wireless device and a channel selection method thereof, comprising: Step S1, a channel selection device launches into an operating state; Step S2, the channel selection device scans adjacent access devices and sends a state query request; Step S3, the channel selection device judges whether any adjacent access device is in the operating state by feedback information for the state query request; if the result shows “No”, turning to Step S5; Step S4, the channel selection device switches into a waiting state, and returning to Step S2 after a predefined first delay; and Step S5, the channel selection device maintains in the operating state, and executes an automatic channel selection, then exits. The problem of channel selection by a plurality of neighboring wireless devices is solved; a channel congestion problem is relieved; the connection quality of the wireless network is improved; and the user experience is upgraded.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: October 20, 2020
    Assignee: HAN NETWORKS CO., LTD.
    Inventors: Mingzhe Duan, Zhimin Chang
  • Publication number: 20190373508
    Abstract: The invention discloses a wireless device and a channel selection method thereof, comprising: Step S1, a channel selection device launches into an operating state; Step S2, the channel selection device scans adjacent access devices and sends a state query request; Step S3, the channel selection device judges whether any adjacent access device is in the operating state by feedback information for the state query request; if the result shows “No”, turning to Step S5; Step S4, the channel selection device switches into a waiting state, and returning to Step S2 after a predefined first delay; and Step S5, the channel selection device maintains in the operating state, and executes an automatic channel selection, then exits. The problem of channel selection by a plurality of neighboring wireless devices is solved; a channel congestion problem is relieved; the connection quality of the wireless network is improved; and the user experience is upgraded.
    Type: Application
    Filed: May 9, 2019
    Publication date: December 5, 2019
    Inventors: Mingzhe DUAN, Zhimin CHANG