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. 21, 1998
Filed:
Sep. 30, 1996
Applicant:
Inventors:
Assignee:
Aviv Amirav, Ramat Hasaroh, IL;
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
250288 ; 250287 ;
Abstract
There is provided a method for sample introduction into a mass spectrometer for performing sample analysis, including desorbing a sample by a laser beam and forming gaseous sample compounds, sweeping desorbed sample compounds with a carrier gas into a transfer line, transferring the sample compounds in the transfer line into a supersonic nozzle, expanding the sample compounds mixed with the carrier gas from the supersonic nozzle to form a supersonic free jet inside a vacuum chamber of a mass spectrometer, and ionizing and mass analyzing the sample compounds for the purpose of identification and/or quantification of the sample. An apparatus for carrying out the method is also provided.