Patents by Inventor Yin-Cheng CHANG

Yin-Cheng CHANG 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: 11137434
    Abstract: The present invention relates to an active measuring probe for EMI detection comprising a first connecting member, an impedance element, an amplifier and a second connecting member. The first connecting member is coupled to one terminal of the impedance element and an input terminal of the amplifier. The other terminal of the impedance element is coupled to a ground terminal. The second connecting member is coupled to an output terminal of the amplifier.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: October 5, 2021
    Assignee: National Applied Research Laboratories
    Inventors: Yin-Cheng Chang, Da-Chiang Chang
  • Publication number: 20210239747
    Abstract: The present invention relates to an active measuring probe for EMI detection comprising a first connecting member, an impedance element, an amplifier and a second connecting member. The first connecting member is coupled to one terminal of the impedance element and an input terminal of the amplifier. The other terminal of the impedance element is coupled to a ground terminal. The second connecting member is coupled to an output terminal of the amplifier.
    Type: Application
    Filed: May 13, 2020
    Publication date: August 5, 2021
    Inventors: YIN-CHENG CHANG, DA-CHIANG CHANG
  • Patent number: 9709601
    Abstract: A conducted type current probe is provided herein and comprises a plurality of first resistors, at least one second resistor, a first connective port, and a second connective port. The first resistors are connected in parallel to form a resistor with 1? resistance value, and the resistance value of the second resistor is 49?. The first resistors and the second resistor are connected. The first connective port is connected with a test end of a test Integrated Circuit (IC), and the second connective port is connected with a test receiver by a coaxial cable.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: July 18, 2017
    Assignee: NATIONAL APPLIED RESEARCH LABORATORIES
    Inventors: Yin-Cheng Chang, Da-Chiang Chang
  • Patent number: 9703058
    Abstract: The present invention provides a package framework for a photoelectric conversion module, in which a photoelectric device is mounted on a printed circuit board such as a rigid-flex PCB and a HDI (High Density Interconnect) PCB, and then is connected, via a flexible printed circuit board, to a traditional printed circuit board having a driver chip or a digital signal processing integrated circuit disposed thereon. The present invention can prevent signal transmission interference caused by using bond wire, and can also maintain the stability of mechanical structure.
    Type: Grant
    Filed: January 20, 2016
    Date of Patent: July 11, 2017
    Assignee: NATIONAL APPLIED RESEARCH LABORATORIES
    Inventors: Chao-Ping Hsieh, Yin-Cheng Chang, Ta-Yeh Lin, Da-Chiang Chang
  • Publication number: 20170131494
    Abstract: The present invention provides a package framework for a photoelectric conversion module, in which a photoelectric device is mounted on a printed circuit board such as a rigid-flex PCB and a HDI (High Density Interconnect) PCB, and then is connected, via a flexible printed circuit board, to a traditional printed circuit board having a driver chip or a digital signal processing integrated circuit disposed thereon. The present invention can prevent signal transmission interference caused by using bond wire, and can also maintain the stability of mechanical structure.
    Type: Application
    Filed: January 20, 2016
    Publication date: May 11, 2017
    Inventors: Chao-Ping HSIEH, Yin-Cheng CHANG, Ta-Yeh LIN, Da-Chiang CHANG
  • Publication number: 20150268272
    Abstract: A conducted type current probe is provided herein and comprises a plurality of first resistors, at least one second resistor, a first connective port, and a second connective port. The first resistors are connected in parallel to form a resistor with 1? resistance value, and the resistance value of the second resistor is 49?. The first resistors and the second resistor are connected. The first connective port is connected with a test end of a test Integrated Circuit (IC), and the second connective port is connected with a test receiver by a coaxial cable.
    Type: Application
    Filed: April 29, 2014
    Publication date: September 24, 2015
    Applicant: National Applied Research Laboratories
    Inventors: Yin-Cheng CHANG, Da-Chiang CHANG
  • Patent number: 8963569
    Abstract: The present invention discloses a semiconductor chip probe for measuring conducted electromagnetic emission (EME) of a bare die and a conducted EME measurement apparatus with the semiconductor chip probe. The semiconductor chip probe comprises a substrate, a dielectric layer, an impedance unit, a measuring unit and a connection unit. The measurement apparatus comprises a semiconductor chip probe, a high frequency probe, a signal cable and a test receiver. The integrated passive component network designed and embedded inside the semiconductor chip probe forms the 1? or 150? impedance network. And the semiconductor chip probe is able to directly couple the EME conducted current or voltage from the test pin of the flipped chip under test to the test receiver for measurement.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: February 24, 2015
    Assignee: National Applied Research Laboratories
    Inventors: Yin-Cheng Chang, Da-Chiang Chang
  • Publication number: 20140292364
    Abstract: The present invention discloses a semiconductor chip probe for measuring conducted electromagnetic emission (EME) of a bare die and a conducted EME measurement apparatus with the semiconductor chip probe. The semiconductor chip probe comprises a substrate, a dielectric layer, an impedance unit, a measuring unit and a connection unit. The measurement apparatus comprises a semiconductor chip probe, a high frequency probe, a signal cable and a test receiver. The integrated passive component network designed and embedded inside the semiconductor chip probe forms the 1? or 150? impedance network. And the semiconductor chip probe is able to directly couple the EME conducted current or voltage from the test pin of the flipped chip under test to the test receiver for measurement.
    Type: Application
    Filed: June 19, 2013
    Publication date: October 2, 2014
    Applicant: National Applied Research Laboratories
    Inventors: Yin-Cheng CHANG, Da-Chiang CHANG