(19)
(11) EP 0 996 866 A1

(12)

(43) Date of publication:
03.05.2000 Bulletin 2000/18

(21) Application number: 98939575.1

(22) Date of filing: 29.06.1998
(51) International Patent Classification (IPC)7: G02F 1/00, H04Q 3/52
(86) International application number:
PCT/EP9804/020
(87) International publication number:
WO 9903/015 (21.01.1999 Gazette 1999/03)
(84) Designated Contracting States:
DE FR GB NL

(30) Priority: 07.07.1997 US 888731
18.07.1997 EP 97202243

(71) Applicant: Akzo Nobel N.V.
6824 BM Arnhem (NL)

(72) Inventors:
  • BORREMAN, Albert
    NL-7311 DL Apeldoorn (NL)
  • HENDRIKSEN, Berend
    NL-6932 JJ Westervoort (NL)
  • HOEKSTRA, Tsjerk, Hans
    NL-6951 LZ Dieren (NL)
  • TICKNOR, Anthony, J.
    Half Moon Bay, CA 94019 (US)

(74) Representative: Frei, Alexandra Sarah 
Frei PatentanwaltsbüroPostfach 768
8029 Zürich
8029 Zürich (CH)

   


(54) THERMO-OPTICAL CASCADED SWITCH COMPRISING GATES