Patents by Inventor Klaus-Peter Martens

Klaus-Peter Martens 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).

  • Water soluble fluoride-containing solution for removing cured photoresist and solder resist mask
    Patent number: 5529887
    Abstract: A coating-removing solution for photo-cross-linked and thermally cross-linked photoresist masks and solder resist masks cross-linked by exposure to light and heat and which solution contains a diglycol monoalkyl ether, a glycol monoalkyl ether, an alkali hydroxide, water, and a water-soluble fluoride.
    Type: Grant
    Filed: March 29, 1994
    Date of Patent: June 25, 1996
    Assignee: Morton International, Inc.
    Inventors: Klaus Horn, Jurgen Lingnau, Klaus-Peter Martens