Patents by Inventor Steffen Zierau

Steffen Zierau 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).

  • Tweezer probe and arm therefor
    Patent number: 5939890
    Abstract: A tweezer probe comprises a pair of arms (10) each made of a multi-layer printed circuit board. The outer conductive layers (20, 32) on each arm are etched to form a shield region (36) and a tip contact (34). The tip contacts (34) are connected to inner conductive layers (24, 28) by through-hole plating, the inner layers being etched to form connector wires (40) extending along the length of the arms to a connector region where leads (8) are attached. The arms (10) are substantially rigidly mounted together, with an adjustment mechanism (14, 72, 74, 76) being provided to alter the angle between the arms, the tips being moveable towards each other against the bias provided by the inherent resilience of the arms.
    Type: Grant
    Filed: September 25, 1997
    Date of Patent: August 17, 1999
    Assignee: Fluke Corporation
    Inventors: Claus Kohen, Rolf Heuchert, Gunther Ruch, Steffen Zierau
  • Tweezer probe and arm therefor
    Patent number: 5914612
    Abstract: A tweezer probe comprises a pair of arms (10) each made of a multi-layer printed circuit board. The outer conductive layers (20,32) on each arm are etched to form a shield region (36) and a tip contact (34). The tip contacts (34) are connected to inner conductive layers (24,28) by through-hole plating, the inner layers being etched to form connector wires (40) extending along the length of the arms to a connector region where leads (8) are attached. The arms (10) are substantially rigidly mounted together, with an adjustment mechanism (14,72,74,76) being provided to alter the angle between the arms, the tips being moveable towards each other against the bias provided by the inherent resilience of the arms.
    Type: Grant
    Filed: July 2, 1996
    Date of Patent: June 22, 1999
    Assignee: Fluke Corporation
    Inventors: Claus Koken, Rolf Heuchert, Gunther Ruch, Steffen Zierau