Patents by Inventor Jun-Je LEE

Jun-Je LEE 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).

  • Patent number: 9827647
    Abstract: A retainer ring for a chemical-mechanical polishing device. The ring prevents damage that occur during polishing work and being usable in stable fashion up until a predetermined lifespan has elapsed, by ensuring that a first ring body mounted on the chemical-mechanical polishing device and a second ring body making contact with a polishing pad are firmly coupled together by means of securing bodies which pass through coupling holes in the first ring body and are coupled to recessed coupling parts in the second ring body, and also by means of adhesive parts which are provided in the coupling holes or the recessed coupling parts and adhere and secure the securing bodies.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: November 28, 2017
    Assignee: WILL BE S & T CO., LTD.
    Inventors: Jae-Bok Lee, Jun-Je Lee
  • Publication number: 20160158910
    Abstract: A retainer ring for a chemical-mechanical polishing device. The ring prevents damage that occur during polishing work and being usable in stable fashion up until a predetermined lifespan has elapsed, by ensuring that a first ring body mounted on the chemical-mechanical polishing device and a second ring body making contact with a polishing pad are firmly coupled together by means of securing bodies which pass through coupling holes in the first ring body and are coupled to recessed coupling parts in the second ring body, and also by means of adhesive parts which are provided in the coupling holes or the recessed coupling parts and adhere and secure the securing bodies.
    Type: Application
    Filed: July 10, 2014
    Publication date: June 9, 2016
    Inventors: Jae-Bok LEE, Jun-Je LEE