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. 09, 2006
Filed:
May. 07, 2004
Applicants:
Steve Bajic, Sale, GB;
Robert Harold Bateman, Knutsford, GB;
Inventors:
Steve Bajic, Sale, GB;
Robert Harold Bateman, Knutsford, GB;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 49/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
An Atmospheric Pressure Chemical Ionisation ion source is disclosed wherein the current applied to a corona needleis repeatedly varied between two or more settings during a single experimental run or acquisition. Two or more separate sets of mass spectral or mass analysed data are obtained. The ion source in one embodiment comprises a heated tubearranged to discharge gas and analyte into a housingenclosing corona needle. The housingcomprises a gas outlet portvia which analyte ions exit. According to another embodiment the corona needle does not have to be enclosed within a housing.