Patents by Inventor Kam Kwan Koon

Kam Kwan Koon 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: 5985123
    Abstract: An electroplating apparatus comprising: an electroplating tank assembly for receiving an electroplating solution; transfer structure for transferring a substrate to be electroplated along a transfer passage within the electroplating tank assembly; at least one pair of sparger assemblies for dispersing the electroplating solution in the direction of the substrate; at least one pair of anode baskets for containing anode material; electricity feeding circuitry for feeding electricity to the anode material contained in the at least one pair of anode baskets; and at least one pair of anode shield assemblies positioned to direct a current flux toward the substrate to provide for a uniform distribution of plating material thereon.
    Type: Grant
    Filed: July 9, 1997
    Date of Patent: November 16, 1999
    Inventor: Kam Kwan Koon