Patents Assigned to Kabushi Gaisha Ishii Hyoki
  • Patent number: 5524654
    Abstract: An etching, developing and peeling apparatus for a printed board includes a vertical disk having a center part fixed with a lower end of a vertical shaft driven and rotated at an elected speed, and a lower face of the disk dotted with nozzles for jetting chemicals in a downward vertical direction.
    Type: Grant
    Filed: February 23, 1995
    Date of Patent: June 11, 1996
    Assignee: Kabushi Gaisha Ishii Hyoki
    Inventor: Teruyuki Nakano