(19)
(11) EP 0 551 430 A1

(12)

(43) Date of publication:
21.07.1993 Bulletin 1993/29

(21) Application number: 91919657.0

(22) Date of filing: 03.10.1991
(51) International Patent Classification (IPC): 
G01J 3/ 02( . )
G02B 5/ 32( . )
 G01J 3/ 18( . )
G03H 1/ 00( . )
(86) International application number:
PCT/US1991/007318
(87) International publication number:
WO 1992/006361 (16.04.1992 Gazette 1992/09)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU NL SE

(30) Priority: 03.10.1990 US 19900592165

(71) Applicant: ABBOTT LABORATORIES
Abbott Park, Illinois 60064-3500 (US)

(72) Inventors:
  • COHN, Gerald, E.
    Skokie, IL 60076 (US)
  • DOMANIK, Richard, A.
    Libertyville, IL 60048 (US)
  • JEONG, Tung, H.
    Lake Forest, IL 60045 (US)
  • WESLEY, Edward
    Chicago, IL 60640 (US)

(74) Representative: Modiano, Guido, Dr.-Ing. 
Modiano & Associati S.r.l. Via Meravigli 16
I-20123 Milan
I-20123 Milan (IT)

   


(54) FABRICATION OF MULTIFUNCTIONAL HOLOGRAPHIC OPTICAL ELEMENTS AND APPLICATION IN PHOTOMETERS