(19)
(11) EP 1 183 522 A1

(12)

(43) Date of publication:
06.03.2002 Bulletin 2002/10

(21) Application number: 00936460.5

(22) Date of filing: 01.06.2000
(51) International Patent Classification (IPC)7G01N 21/31
(86) International application number:
PCT/US0015/157
(87) International publication number:
WO 0075/638 (14.12.2000 Gazette 2000/50)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 03.06.1999 US 137381 P

(71) Applicant: HUTCHINSON TECHNOLOGY, INC.
Hutchinson, Minnesota 55350-9784 (US)

(72) Inventors:
  • GRITSENKO, Sergey, I.
    Hutchinson, MN 55350 (US)
  • LEWANDOWSKI, Mark, S.
    Hutchinson, MN 55350 (US)
  • MYERS, Dean, E.
    Stewart, MN 55385 (US)

(74) Representative: Graalfs, Edo, Dipl.-Ing. Patentanwälte Hauck, Graalfs, Wehnert, Döring, Siemons et al
Neuer Wall 41
20354 Hamburg
20354 Hamburg (DE)

   


(54) SIGNAL ACQUISITION AND PROCESSING SYSTEM FOR REDUCED OUTPUT SIGNAL DRIFT IN A SPECTROPHOTOMETRIC INSTRUMENT