The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 1998
Filed:
Jan. 14, 1997
Frank Laukien, Lincoln, MA (US);
Jurgen Grotemeyer, Kirchheim, DE;
Johann Grundwurmer, Neuotting, DE;
Claus Koster, Lilienthal, DE;
Bruker-Franzen Analytik GmbH, Bremen, DE;
Abstract
In a time-of-flight mass spectrometer with an ion reflector located after the ion source and before the ion detector, to compensate for different starting energies of ions of equal masses, in the ion flight path inside or after the ion reflector at least one electrode is provided for, to which a pulsed high voltage is applied in such a way that within a predetermined narrow range of ion masses, time-of-flight errors for ions of equal masses due to different formation locations or times in the ion source are compensated for at the ion detector. In this way, apart from an energy compensation, also time-of-flight errors of the ions under investigation can simultaneously be compensated for.