Identification of sample subspecies based on particle charge behavior under structural change-inducing sample conditions
US-2024242955-A1 · Jul 18, 2024 · US
Ion detection
US9520280B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9520280-B2 |
| Application number | US-201113993316-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 14, 2011 |
| Priority date | Dec 14, 2010 |
| Publication date | Dec 13, 2016 |
| Grant date | Dec 13, 2016 |
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- Title
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Abstract
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Mass analyzers and methods of ion detection for a mass analyzer are provided. An electrostatic field generator provides an electrostatic field causing ion packets to oscillate along a direction. A pulse transient signal is detected over a time duration that is significantly shorter than a period of the ion oscillation or using pulse detection electrodes having a width that is significantly smaller than a span of ion harmonic motion. A harmonic transient signal is also detected. Ion intensity with respect to mass-to-charge ratio is then identified based on the pulse transient signal and the harmonic transient signal.
First claim
Opening claim text (preview).
The invention claimed is: 1. A mass analyzer, comprising: an electrostatic field generator, arranged to provide an electrostatic field causing ion packets to oscillate along a longitudinal direction with a period, the electrostatic field generator including an outer electrode coaxial with at least an inner electrode, at least one of the out electrode assembly and the inner electrode assembly including a plurality of electrode segments; a pulse detection electrode arrangement inc…
Assignees
Inventors
Classifications
- H01J49/027Primary
Electricity · mapped topic
- H01J49/0027Primary
Electricity · mapped topic
Electricity · mapped topic
- H01J49/282Primary
Electricity · mapped topic
Electricity · mapped topic
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- What does patent US9520280B2 cover?
- Mass analyzers and methods of ion detection for a mass analyzer are provided. An electrostatic field generator provides an electrostatic field causing ion packets to oscillate along a direction. A pulse transient signal is detected over a time duration that is significantly shorter than a period of the ion oscillation or using pulse detection electrodes having a width that is significantly smal…
- Who is the assignee on this patent?
- Makarov Alexander A, Thermo Fisher Scient (Bremen) Gmbh
- What technology area does this patent fall under?
- Primary CPC classification H01J49/027. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Dec 13 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).