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:
May. 22, 2001
Filed:
Feb. 07, 2000
Applicant:
Inventors:
Yoshiaki Kato, Mito, JP;
Tadao Mimura, Katsuta, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 5/944 ; H01J 4/900 ;
U.S. Cl.
CPC ...
G01D 5/944 ; H01J 4/900 ;
Abstract
A nebulized jet from a nebulizer is subjected to mechanical agitation and stirring to render the mists uniform and fine, then the droplets of the mists thus rendered uniform and fine are ionized. By accelerative collision of the resulting ions in a medium pressure chamber it is made possible to effect desolvation efficiently. Consequently, chemical noises caused by cluster ions can be greatly diminished and it is possible to attain high sensitive measurement of a sample in atmospheric pressure ionizations LC/MS.