(19)
(11) EP 1 664 872 A2

(12)

(88) Date of publication A3:
24.11.2005

(43) Date of publication:
07.06.2006 Bulletin 2006/23

(21) Application number: 04809535.0

(22) Date of filing: 05.08.2004
(51) International Patent Classification (IPC): 
G02B 6/42(1985.01)
(86) International application number:
PCT/US2004/025261
(87) International publication number:
WO 2005/040052 (06.05.2005 Gazette 2005/18)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL HR LT LV MK

(30) Priority: 09.09.2003 US 659464

(71) Applicant: GENERAL ELECTRIC COMPANY
Schenectady, NY 12345 (US)

(72) Inventors:
  • DENG, Kung-Li
    Clifton Park, NY 12065 (US)
  • GORCZYCA, Thomas, Bert
    Schenectady, NY 12303 (US)
  • GUIDA, Renato
    Wyantskill, NY 12198 (US)
  • NIELSEN, Matthew, Christian
    Scotia, NY 12302 (US)
  • SHIH, Min-Yi
    Niskayuna, NY 12309 (US)
  • TOLLIVER, Todd, Ryan
    Clifton Park, NY 12065 (US)

(74) Representative: Bedford, Grant Richard et al
London Patent Operation GE International Inc. 15 John Adam Street
London WC2N 6LU
London WC2N 6LU (GB)

   


(54) WAVEGUIDE FORMING METHODS AND WAVEGUIDES FABRICATED THEREFROM