Patents by Inventor Chang Ryn

Chang Ryn 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).

  • Publication number: 20080110667
    Abstract: A printed circuit board having embedded capacitors includes a double-sided copper-clad laminate including first circuit layers formed in the outer layers thereof, the first circuit layers including bottom electrodes and circuit patterns; dielectric layers formed by depositing alumina films on the first circuit layers by atomic layer deposition; second circuit layers formed on the dielectric layers and including top electrodes and circuit patterns; one-sided copper-clad laminates formed on the second circuit layers; blind via-holes and through-holes formed in predetermined portions of the one-sided copper-clad laminates; and plating layers formed in the blind via-holes and the through-holes. The manufacturing method of the printed circuit board is also disclosed.
    Type: Application
    Filed: January 18, 2008
    Publication date: May 15, 2008
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jin Ahn, Cheol Hwang, Sung Kim, Chang Ryn, Suk Cho, Ho Jeon