Patents by Inventor Wolfang Plöse

Wolfang Plöse 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).

  • Method and apparatus for electrolytically treating a board-shaped substrate comprising shielding edge regions of the substrate during electrolytic treatment
    Patent number: 6217736
    Abstract: The apparatus according to the invention is used for electrolytically treating a board-shaped substrate to be treated, preferably printed circuit boards, in a continuous system, through which the item to be treated is guidable in a plane of conveyance in a substantially horizontal direction of conveyance, the apparatus having counter-electrodes (2), which are situated substantially parallel to one another opposite the plane of conveyance, and screens (11) for shielding from high current density fields in the edge region of the item to be treated (1), said screens being disposed between the plane of conveyance and the counter-electrodes, the screens each being in the form of at least two flat portions (12,13), which are disposed substantially parallel to each other, one portion (13) of the screens being disposed so as to lie opposite the plane of conveyance, and the other portion (12) being disposed so as to lie opposite the counter-electrodes, and the screens being mounted so as to be displaceable in a direct
    Type: Grant
    Filed: October 20, 1999
    Date of Patent: April 17, 2001
    Assignee: Atotech Deutschland GmbH
    Inventors: Lorenz Kopp, Wolfang Plöse, Ralf-Peter Wachter