Patents by Inventor Marie L. Rolland

Marie L. Rolland 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).

  • Device for bringing about coincidence between the axis of a measuring probe and a normal to the surface of a part to be controlled
    Patent number: 4437012
    Abstract: Device for bringing about the coincidence between the axis of a measuring probe and a normal to the surface of a part to be controlled and application to the measurement of thicknesses of thin layers.Thus, device (5) forms part of probe (4) on a measuring apparatus comprising means for positioning part (3) and which is constituted by at least one probe translating member (25) making it possible to vary its distance from the part, sensing means (53) integral with the probe for controlling the achievement of coincidence, means (43) for rotating about the axis Y'Y making it possible to give probe axis (A) a direction close to that of normal (N) and means for oscillating probe axis (A) about the said direction in order to achieve the coincidence.
    Type: Grant
    Filed: December 9, 1981
    Date of Patent: March 13, 1984
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Claude Cavy, Marie L. Rolland