(19)
(11) EP 1 543 539 A1

(12)

(43) Date of publication:
22.06.2005 Bulletin 2005/25

(21) Application number: 03752575.5

(22) Date of filing: 24.09.2003
(51) International Patent Classification (IPC)7H01J 49/40
(86) International application number:
PCT/US2003/029950
(87) International publication number:
WO 2004/030025 (08.04.2004 Gazette 2004/15)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 24.09.2002 US 413406 P
24.04.2003 US 424351
06.06.2003 US 476714 P

(71) Applicant: Ciphergen Biosystems, Inc.
Fremont, CA 94555 (US)

(72) Inventor:
  • BUTTRILL, Sidney, E., Jr.
    Palo Alto, CA 94301 (US)

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

   


(54) ELECTRIC SECTOR TIME-OF-FLIGHT TANDEM MASS SPECTROMETER