(19)
(11) EP 1 060 416 A1

(12)

(43) Date of publication:
20.12.2000 Bulletin 2000/51

(21) Application number: 99904378.9

(22) Date of filing: 28.01.1999
(51) International Patent Classification (IPC)7G02B 5/28
(86) International application number:
PCT/US9901/818
(87) International publication number:
WO 9939/224 (05.08.1999 Gazette 1999/31)
(84) Designated Contracting States:
DE GB NL

(30) Priority: 28.01.1998 JP 1562698

(71) Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY
St. Paul,Minnesota 55133-3427 (US)

(72) Inventors:
  • OUDERKIRK, Andrew, J.
    Woodbury, MN 55125 (US)
  • HARADA, Takashi
    Machida,Tokyo 194 (JP)
  • ISHIKAWA, Makoto
    Yamato-city,Kanagawa pref. 242-0002 (JP)
  • YODA, Akira
    Machida-city,Tokyo 194-0003 (JP)
  • NAKAMURA, Tatsuya
    Sagamihara-city,Kanagawa pref. 229-0031 (JP)

(74) Representative: VOSSIUS & PARTNER 
Siebertstrasse 4
81675 München
81675 München (DE)

   


(54) INFRARED INTERFERENCE FILTER