Patents Assigned to Nederlandse Organistie voor toegepastnatuurwetenschappelijk Onderzoek TNO
  • Apparatus and method for manufacturing optical objects
    Patent number: 7556554
    Abstract: The invention relates to an apparatus for forming or working optical elements and/or optical forming elements (1) comprising a working apparatus (18) for forming surfaces of form parts by machining or an abrasive technique, wherein at least one measuring device (17) is provided for measuring changes in form and/or surface roughness of said surface when said surface is being worked and, on the basis thereof controlling said working apparatus (18).
    Type: Grant
    Filed: December 30, 2003
    Date of Patent: July 7, 2009
    Assignee: Nederlandse Organistie voor toegepastnatuurwetenschappelijk Onderzoek TNO
    Inventors: Hedser van Brug, Hugo Anton Marie de Haan, Jacobus Johannes Korpershoek, Ian J. Saunders