WO200010206-A2  LI C. Y. ET AL: 'Sol-Gel Integrated Optical Coupler by Utraviolet Light Imprinting' ELECTRONIC LETTERS vol. 31, no. 4, 16 February 1995, pages 271 - 272, XP002923185;  PATENT ABSTRACTS OF JAPAN & JP 09 279 135 A (TOYOTA CENTRAL RES & DEV LAB INC) 28 October 1997;  POPALL M. ET AL: 'ORMOCERSs/sup TM/-New Photo-Patternable Dielectric and Optical Materials for MCM-Packaging' 48TH IEEE,ELECTRONIC COMPONENTS & TECHNOLOGY CONFERENCE 25 May 1998 - 28 May 1998, pages 1018 - 1025, XP002923184;  POPALL M. ET AL: 'ORMOCERSssup TM-New Photo-Patternable Dielectric and Optical Materials for MCM-Packaging' 48TH IEEE,ELECTRONIC COMPONENTS & TECHNOLOGY CONFERENCE 25 May 1998 - 28 May 1998, pages 1018 - 1025, XP002923184;  RANTALA J. T. ET AL: 'Sol-Gel Hybrid Glass Diffractive Elements by Direct Electron-Beam Exposure' ELECTRONIC LETTERS vol. 34, no. 5, 05 March 1998, pages 455 - 456, XP002923186;  SEDDON ANGELA B.: 'Sol-Gel Derived Organic-Inorganic Hybrid Materials for Photonic Applications (Ref. no. 1998/412' IEE COLLOQUIUM ON, SOL-GEL MATERIALS FOR DEVICE APPLICATIONS 13 May 1998, pages 6/1 - 6/6, XP002923183;  SEDDON ANGELA B.: 'Sol-Gel Derived Organic-Inorganic Hybrid Materials for Photonic Applications (Ref. no. 1998412' IEE COLLOQUIUM ON, SOL-GEL MATERIALS FOR DEVICE APPLICATIONS 13 May 1998, pages 61 - 66, XP002923183;  See also references of EP 1110245A2;  PATENT ABSTRACTS OF JAPAN&JP 09 279 135 A (TOYOTA CENTRAL RES&DEV LAB INC) 28 October 1997;  POPALL M. ET AL: 'ORMOCERSs/sup TM/-New Photo-Patternable Dielectric and Optical Materials for MCM-Packaging' 48TH IEEE,ELECTRONIC COMPONENTS&TECHNOLOGY CONFERENCE 25 May 1998 - 28 May 1998, pages 1018 - 1025, XP002923184US6586268-B1  Andrews M.P. et al., "Sol-Gel and Polymer Photonic Devices", SPIE, vol. CR68, 1997, pp. 253-285.;  Angela B. Seddon, "Sol-gel derived organic-inorganic hybrid materials for photonic applications", Sol-Gel Materials for Device Applications (Ref. No. 1998412), IEE Colloquium on May 13, 1998, pp. 61-66.;  Geerts et al., "New organic light emitting materials", Chemical Abstracts 1997:162307, Book of Abstracts, 213th ACS National Meeting, San Francisco, Apr. 13-17, 1997.;  Li et al., "Sol-gel integrated optical coupler by ultraviolet light imprinting", Electronics Letters, Feb. 1995, vol. 31, No. 4, pp. 455-456.;  Popall et al., "ORMOCERssup TM -new photo-patternable dielectric and optical materials for MCM-packaging", Electronic Components & Technology Conference, 48th IEEE, May 1998, pp. 1018-1025.;  Rantala J.T. et al., "Sol-gel hybrid glass diffractive elements by direct electron-beam exposure", Electronics Letters, Mar. 1998, vol. 34, No. 5, pp. 455-456.;  Rantala et al., "Organic Light Emitting Mciro-Pixels on Hybrid Sol-Gel Glass Arrays", Proceedings of Finnish Optics Days, p. 42, 1998, ISBN 951-42-4944-5.EP1110245-B1  ANDREWS, M.P. NAJAFI S.I.: 'Passive and active sol gel materials and devices' CRITICAL REVIEWS OF OPTICAL SCIENCE AND TECHNOLOGY vol. CR68, 1997, pages 253 - 285, XP001247173;  LI C. Y. ET AL: 'Sol-Gel Integrated Optical Coupler by Utraviolet Light Imprinting' ELECTRONIC LETTERS vol. 31, no. 4, 16 February 1995, pages 271 - 272, XP002923185;  PATENT ABSTRACTS OF JAPAN & JP 09 279 135 A (TOYOTA CENTRAL RES & DEV LAB INC) 28 October 1997;  POPALL M. ET AL: 'ORMOCERSs/sup TM/-New Photo-Patternable Dielectric and Optical Materials for MCM-Packaging' 48TH IEEE,ELECTRONIC COMPONENTS & TECHNOLOGY CONFERENCE 25 May 1998 - 28 May 1998, pages 1018 - 1025, XP002923184;  RANTALA J. T. ET AL: 'Sol-Gel Hybrid Glass Diffractive Elements by Direct Electron-Beam Exposure' ELECTRONIC LETTERS vol. 34, no. 5, 05 March 1998, pages 455 - 456, XP002923186;  RANTALA J.T. ET AL.: 'Organic light emiting micro-pixels on hybrid sol-gel glass arrays' FINNISH OPTIC DAYS 25-24 APRIL 1998, PROCEEDINGS 1998, OULU, FINLAND, page 42, XP001247574;  SEDDON ANGELA B.: 'Sol-Gel Derived Organic-Inorganic Hybrid Materials for Photonic Applications (Ref. no. 1998/412' IEE COLLOQUIUM ON, SOL-GEL MATERIALS FOR DEVICE APPLICATIONS 13 May 1998, pages 6/1 - 6/6, XP002923183