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Patent Searching and Data


Title:
発光分光分析の改善
Document Type and Number:
Japanese Patent JP7450033
Kind Code:
B2
Abstract:
A method for controlling the flow of gas through a spectrometer, comprising: flowing a gas through a volume of the spectrometer, the volume being a volume through which light from a sample passes along a first path to reach a first detector and the gas being transparent to the light in a spectral region analysed by the spectrometer; transmitting light from a light source along a second path through the gas to a second detector; detecting an intensity of the light from the light source at the second detector at one or more wavelengths of the light; comparing the detected intensity of the light to a respective setpoint corresponding to a desired transmittance of the gas in the volume of the spectrometer and generating at least one error signal based on the comparison; and adjusting a flow rate of the gas through the volume of the spectrometer based on the error signal, in particular to minimise the difference between the detected intensity and setpoint.

Inventors:
Rank Cuban Patrick
Application Number:
JP2022529382A
Publication Date:
March 14, 2024
Filing Date:
November 03, 2020
Export Citation:
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Assignee:
Thermo Fisher Scientific (Ecublens) S.A.
International Classes:
G01N21/71
Domestic Patent References:
JP11230896A
JP2009090985A1
JP2009510486A
JP2004522168A
JP2001116738A
Attorney, Agent or Firm:
Shinichiro Tanaka
▲吉▼田 和彦
Hiroyuki Suda
Ichiro Kurasawa
Yasushi Yamamoto
Hiroko Suzuki
Takanori Fukada