Optical material and laminated diffractive optical element using it

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EP 1 394 574 B8

(12)	CORRECTED EUROPEAN PATENT SPECIFICATION
	Note: Bibliography reflects the latest situation

(15)	Correction information:
	Corrected version no 1 (W1 B1)

(48)	Corrigendum issued on:
	28.09.2011 Bulletin 2011/39

(45)	Mention of the grant of the patent:
	04.05.2011 Bulletin 2011/18

(21)	Application number: 03019780.0

(22)	Date of filing: 29.08.2003

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International Patent Classification (IPC):

G02B 5/18^(2006.01)

G02B 1/04^(2006.01)

(54)	Optical material and laminated diffractive optical element using it Optisches Material und dieses verwendendes laminiertes Diffraktionselement Matériau optique et élément de diffraction laminé l'utilisant

(84)	Designated Contracting States:
	DE FR GB

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Priority:

30.08.2002 JP 2002254711
10.07.2003 JP 2003194939

(43)	Date of publication of application:
	03.03.2004 Bulletin 2004/10

(73)	Proprietor: CANON KABUSHIKI KAISHA
	Tokyo (JP)

(72)	Inventor:
	Ukuda, Hideo Ohta-ku, Tokyo (JP)

(74)	Representative: Weser, Wolfgang
	Weser & Kollegen Patentanwälte Radeckestrasse 43 81245 München 81245 München (DE)

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References cited: :

EP-A- 1 065 531

NIKOLOV ID: "Optical plastic refractive measurements in the visible and the near-infrared regions" APPLIED OPTICS, vol. 39, no. 13, 1 May 2000 (2000-05-01), pages 2067-2070, XP002266512

Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).