Patents by Inventor Choung Min Joung

Choung Min Joung 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).

  • Side-docking type test handler and apparatus for transferring test tray for same
    Patent number: 8154314
    Abstract: In a side-docking type test handler, a descending mechanism lowers a horizontally postured test tray, which has been transferred into a soak chamber, down to a descent finish position and a vertical posture changing mechanism changes the posture of the test tray, which has been lowered to the descent finish position, from the horizontal state to a vertical state, to transfer the test tray into a test chamber. Further, a horizontal posture changing mechanism changes the posture of the test tray in the test chamber from the vertical state to the horizontal state while transferring the test tray to an ascent start position in a desoak chamber.
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: April 10, 2012
    Assignee: Techwing Co., Ltd.
    Inventors: Jae Gyun Shim, Yun Sung Na, In Gu Jeon, Dong Hyun Yo, Bong Soo Kim, Choung Min Joung
  • SIDE-DOCKING TYPE TEST HANDLER AND APPARATUS FOR TRANSFERRING TEST TRAY FOR SAME
    Publication number: 20090199395
    Abstract: In a side-docking type test handler, a descending mechanism lowers a horizontally postured test tray, which has been transferred into a soak chamber, down to a descent finish position and a vertical posture changing mechanism changes the posture of the test tray, which has been lowered to the descent finish position, from the horizontal state to a vertical state, to transfer the test tray into a test chamber. Further, a horizontal posture changing mechanism changes the posture of the test tray in the test chamber from the vertical state to the horizontal state while transferring the test tray to an ascent start position in a desoak chamber.
    Type: Application
    Filed: March 31, 2009
    Publication date: August 13, 2009
    Applicant: TECHWING CO., LTD.
    Inventors: Jae Gyun Shim, Yun Sung Na, In Gu Jeon, Dong-Hyun Yo, Bong-Soo Kim, Choung-Min Joung