Patents by Inventor Yoshinori Kadota

Yoshinori Kadota 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: 20010007373
    Abstract: A tape carrier for a semiconductor device comprising a flexible insulation tape having via holes for a solder ball, a metal wiring layer formed on one surface of the insulation tape, the via halls for the solder balls having an opening on the other surface of the insulating tape, and a metal brace formed on the periphery of the opening of the respective via holes, wherein the metal brace is formed in a ring-shape provided with a cutout opening having a width up to 4% of the circumferential length of the periphery, or comprises a plurality of arcuate shape portions, such that gaps are simetorically provided and positioned between the arcuate shape portions,, and that the total width of the gaps is up to 40% of the circumferential length of the periphery, and wherein the metal braces have a surface to which Ni plating is applied, and Au plating is applied to the Ni plating.
    Type: Application
    Filed: January 4, 2001
    Publication date: July 12, 2001
    Inventors: Yoshinori Kadota, Yutaka Furukawa, Yoshiki Sota, Hiroyuki Juso