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RISS 인기검색어
- 검색키워드
- 저자 : Casaburi, A. (검색결과 2 건)
- 무료
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Superconducting Strip Ion Detectors for Time-of-flight Mass Spectrometer
Zen, N.,Suzuki, K.,Shiki, S.,Ukibe, M.,Koike, M.,Casaburi, A.,Ejrnaes, M.,Cristiano, R.,Ohkubo, M. The Korean Superconductivity Society 2012 Progress in superconductivity Vol.14 No.2
Superconducting detectors are promising as ion detectors for time-of-flight mass spectrometers (TOF MS). They can achieve mass-independent detection efficiency even for macromolecular bombardments, because output signals are produced through the deposited kinetic energy at ion impact instead of secondary electron emission that is the ion detection mechanism of conventional microchannel plate (MCP) detectors or secondary electron multipliers (SEM). Among the superconducting detectors, the superconducting strip ion detectors (SSIDs), which consist of several hundreds of superconducting lines with a width of a few hundreds nm and a thickness of a few tens of nm, have a fast response time of less than 1 ns. Inherently, the response time of SSIDs is determined by kinetic inductance, so that it was difficult to realize a fast SSID with a large detection area. However, we succeeded in realizing the detector size up to $5{\times}5mm^2$ without response time degradation by using a parallel configuration.
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Superconducting Strip Ion Detectors for Time-of-flight Mass Spectrometer
N. Zen,K. Suzuki,S. Shiki,M. Ukibe,M. Koike,A. Casaburi,M. Ejrnaes,R. Cristiano,M. Ohkubo 한국초전도학회 2012 Progress in superconductivity Vol.14 No.2
Superconducting detectors are promising as ion detectors for time-of-flight mass spectrometers (TOF MS). They can achieve mass-independent detection efficiency even for macromolecular bombardments, because output signals are produced through the deposited kinetic energy at ion impact instead of secondary electron emission that is the ion detection mechanism of conventional microchannel plate (MCP) detectors or secondary electron multipliers (SEM). Among the superconducting detectors, the superconducting strip ion detectors (SSIDs), which consist of several hundreds of superconducting lines with a width of a few hundreds nm and a thickness of a few tens of nm, have a fast response time of less than 1 ns. Inherently, the response time of SSIDs is determined by kinetic inductance, so that it was difficult to realize a fast SSID with a large detection area. However, we succeeded in realizing the detector size up to 5×5 mm2 without response time degradation by using a parallel configuration.
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