Patents by Inventor Chang Hun GANG

Chang Hun GANG 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).

  • Package for optical semiconductor device
    Patent number: 9844130
    Abstract: A package for an optical semiconductor device includes an eyelet, a signal lead inserted in a through hole formed in the eyelet, and sealing glass sealing the signal lead in the through hole. The signal lead includes a first portion, a second portion and a third portion that are greater in diameter than the first portion and on opposite sides of the first portion, a first tapered portion extending from the second portion to the first portion, and a second tapered portion extending from the third portion to the first portion. The first portion and the first and second tapered portions are buried in the sealing glass. The total length of a part of the second portion in the sealing glass and a part of the third portion in the sealing glass is 0.2 mm or less.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: December 12, 2017
    Assignees: SHINKO ELECTRIC INDUSTRIES CO., LTD., KOREA SHINKO MICROELECTRONICS CO., LTD.
    Inventors: Takumi Ikeda, Masao Kainuma, Yasuyuki Kimura, Chang Hun Gang, Tae Uk Gang, Hyung Gon Kim
  • PACKAGE FOR OPTICAL SEMICONDUCTOR DEVICE
    Publication number: 20170202081
    Abstract: A package for an optical semiconductor device includes an eyelet, a signal lead inserted in a through hole formed in the eyelet, and sealing glass sealing the signal lead in the through hole. The signal lead includes a first portion, a second portion and a third portion that are greater in diameter than the first portion and on opposite sides of the first portion, a first tapered portion extending from the second portion to the first portion, and a second tapered portion extending from the third portion to the first portion. The first portion and the first and second tapered portions are buried in the sealing glass. The total length of a part of the second portion in the sealing glass and a part of the third portion in the sealing glass is 0.2 mm or less.
    Type: Application
    Filed: December 27, 2016
    Publication date: July 13, 2017
    Inventors: Takumi IKEDA, Masao KAINUMA, Yasuyuki KIMURA, Chang Hun GANG, Tae Uk GANG, Hyung Gon KIM