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:
Jun. 20, 2006
Filed:
Jun. 27, 2003
Hideo Yamakoshi, Kanagawa, JP;
Hiroshi Futami, Kanagawa, JP;
Minoru Danno, Kanagawa, JP;
Shigenori Tsuruga, Kanagawa, JP;
Shizuma Kuribayashi, Kanagawa, JP;
Hideo Yamakoshi, Kanagawa, JP;
Hiroshi Futami, Kanagawa, JP;
Minoru Danno, Kanagawa, JP;
Shigenori Tsuruga, Kanagawa, JP;
Shizuma Kuribayashi, Kanagawa, JP;
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Abstract
A vacuum ultraviolet lamp ionizes a chemical substance contained in exhaust gas Gs. The chemical substance ionized is trapped in an ion trapping apparatus in which a radio frequency electric field is formed. Energy is applied to an ion group in the ion trapping apparatus with a SWIFT waveform comprising a frequency component excluding a frequency corresponding to an orbital resonance frequency of ions of the chemical substance to remove an impurity. Energy is then applied to the ion group with a TICKLE waveform having a frequency component corresponding to the orbital resonance frequency of the ions of the chemical substance to fragmentate the ions of the chemical substance. A mass of the fragment is then measured with a mass spectrometer to identify the chemical substance.