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:
Dec. 16, 2025
Filed:
Apr. 26, 2022
Applicant:
Agilent Technologies, Inc., Santa Clara, CA (US);
Inventors:
Kai Chen, Shanghai, CN;
Kenneth R. Newton, Concord, CA (US);
Christian Wisner-Carlson, Santa Clara, CA (US);
Assignee:
AGILENT TECHNOLOGIES, INC., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 49/42 (2006.01); H01J 49/00 (2006.01);
U.S. Cl.
CPC ...
H01J 49/4215 (2013.01); H01J 49/0009 (2013.01); H01J 49/0031 (2013.01); H01J 49/0045 (2013.01);
Abstract
A quadrupole transmitting window applied by a quadrupole mass filter is characterized by a method that utilizes the noise band of a transmitted chemical noise ion signal. The mass filter may be utilized in a mass spectrometry (MS) system.