Patents by Inventor Chih-Jen Chien

Chih-Jen Chien 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).

  • Optical head
    Patent number: 8625949
    Abstract: Disclosed is an optical head, including a hollow micro-pipe and a stuffing member, the micro-pipe having a diameter-extended portion and a diameter-diminishing portion adapted allowing the incident light to transmit from the diameter-extended portion to the diameter-diminishing portion to emerge from its tip, and the stuffing member being disposed inside of the micro-pipe compared to prior techniques. The optical head of the invention is easier to be made, and it has a better focus for achieving optical exposure of sub-wave length focal spot and deep depth of focus.
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: January 7, 2014
    Assignee: National Taiwan University
    Inventors: Chih-Kung Lee, Chih-Jen Chien, Yu-Hsun Lee, Chun-Yen Chen, Yuh-Yan Yu, Te-Hsun Chen
  • OPTICAL HEAD
    Publication number: 20130115454
    Abstract: Disclosed is an optical head, including a hollow micro-pipe and a stuffing member, the micro-pipe having a diameter-extended portion and a diameter-diminishing portion adapted allowing the incident light to transmit from the diameter-extended portion to the diameter-diminishing portion to emerge from its tip, and the stuffing member being disposed inside of the micro-pipe compared to prior techniques. The optical head of the invention is easier to be made, and it has a better focus for achieving optical exposure of sub-wave length focal spot and deep depth of focus.
    Type: Application
    Filed: March 15, 2012
    Publication date: May 9, 2013
    Applicant: NATIONAL TAIWAN UNIVERSITY
    Inventors: Chih-Kung Lee, Chih-Jen Chien, Yu-Hsun Lee, Chun-Yen Chen, Yuh-Yan Yu, Te-Hsun Chen