Patents by Inventor Il Sun PANG

Il Sun PANG 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).

  • Heating unit comprised of ring heaters with ring support units disposed between the ring heaters and ingot growing device including the same
    Patent number: 10287706
    Abstract: The present invention relates to an ingot growing device for growing a single crystal silicon ingot. According to one embodiment of the present invention, the ingot growing device comprises: a growing chamber having an inner space; a growing container located in the inner space and having a silicon solution accommodated therein; a heating unit encompassing the growing container and located thereat, and generating heat; and a susceptor for supporting the growing container, wherein the heating unit comprises: a first ring heater having a ring shape; a second ring heater having a ring shape and located at the lower part of the first ring heater; a first coupling part for coupling the first ring heater and the second ring heater; and a first ring support unit located between the first ring heater and the second ring heater and supporting the first ring heater.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: May 14, 2019
    Assignee: WOONGJIN ENERGY CO., LTD.
    Inventors: Sung Sun Baik, Il Sun Pang, Kwang Hun Kim
  • HEATING UNIT AND INGOT GROWING DEVICE INCLUDING SAME
    Publication number: 20190032243
    Abstract: The present invention relates to an ingot growing device for growing a single crystal silicon ingot. According to one embodiment of the present invention, the ingot growing device comprises: a growing chamber having an inner space; a growing container located in the inner space and having a silicon solution accommodated therein; a heating unit encompassing the growing container and located thereat, and generating heat; and a susceptor for supporting the growing container, wherein the heating unit comprises: a first ring heater having a ring shape; a second ring heater having a ring shape and located at the lower part of the first ring heater; a first coupling part for coupling the first ring heater and the second ring heater; and a first ring support unit located between the first ring heater and the second ring heater and supporting the first ring heater.
    Type: Application
    Filed: November 30, 2017
    Publication date: January 31, 2019
    Applicant: WOONGJIN ENERGY CO., LTD.
    Inventors: Sung Sun BAIK, Il Sun PANG, Kwang Hun KIM