Patents Assigned to Hoffmann-LaRoche, A.G.
  • Optical inorganic waveguide with a substantially planar organic substrate
    Patent number: 5369722
    Abstract: An optical waveguide is disclosed with a substantially planar substrate and a waveguide layer applied to the substrate. The invention resides in that the substrate consists of a synthetic resin or of a material having a high organic proportion. This has the advantage that the high index of refraction of the inorganic waveguide layer is combined with the material properties of the synthetic resin substrate, such as, for example, breaking resistance, plastic and thermoplastic moldability, photochemical structuring ability, and others.
    Type: Grant
    Filed: September 18, 1992
    Date of Patent: November 29, 1994
    Assignees: Schott Glaswerke, Hoffmann-LaRoche, A.G.
    Inventors: Martin Heming, Roland Hochhaus, Ralf Kersten, Dieter Krause, Jurgen Otto, Volker Paquet, Johannes Segner, Christof Fattinger