RU2006115270A - METHOD FOR MASS SELECTIVE ANALYSIS OF IONS BY TIME OF FLIGHT AND A DEVICE FOR ITS IMPLEMENTATION - Google Patents

METHOD FOR MASS SELECTIVE ANALYSIS OF IONS BY TIME OF FLIGHT AND A DEVICE FOR ITS IMPLEMENTATION Download PDF

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RU2006115270A
RU2006115270A RU2006115270/28A RU2006115270A RU2006115270A RU 2006115270 A RU2006115270 A RU 2006115270A RU 2006115270/28 A RU2006115270/28 A RU 2006115270/28A RU 2006115270 A RU2006115270 A RU 2006115270A RU 2006115270 A RU2006115270 A RU 2006115270A
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Russia
Prior art keywords
ions
along
mass
time
axes
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RU2006115270/28A
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Russian (ru)
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RU2327245C2 (en
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Евгений Васильевич Мамонтов (RU)
Евгений Васильевич Мамонтов
Игорь Владимирович Филиппов (RU)
Игорь Владимирович Филиппов
Original Assignee
Евгений Васильевич Мамонтов (RU)
Евгений Васильевич Мамонтов
Игорь Владимирович Филиппов (RU)
Игорь Владимирович Филиппов
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Application filed by Евгений Васильевич Мамонтов (RU), Евгений Васильевич Мамонтов, Игорь Владимирович Филиппов (RU), Игорь Владимирович Филиппов filed Critical Евгений Васильевич Мамонтов (RU)
Priority to RU2006115270/28A priority Critical patent/RU2327245C2/en
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Publication of RU2327245C2 publication Critical patent/RU2327245C2/en

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1. Способ масс-селективного анализа ионов по времени пролета в линейном ВЧ поле, отличающееся тем, что на граничных поверхностях х=x0 и х=-х0 масс-анализатора с размерами Ly>>x0 и Lz>4х0 по осям Y и Z под действием двух противофазных напряжений с постоянными амплитудой Um и частотой ω создаются два противофазных дискретно-линейных по оси Y распределения ВЧ потенциала и на ионы, образованные с начальными координатами x0/2<xн0, yн=0, |zн|<x0/2 и начальными скоростями vу по оси Y, обратно пропорциональными массам m анализируемых ионов, воздействуют линейным по осям Х и Y ВЧ полем, при этом ионы за время tA, пропорциональное массе m, совершают по осям Х и Y близкие к гармоническим колебания с конечными координатами х(tA)=-хн, y(tA)=ун=0.1. The method of mass-selective analysis of ions by time of flight in a linear RF field, characterized in that on the boundary surfaces x = x 0 and x = -x 0 mass analyzer with dimensions L y >> x 0 and L z > 4x 0 along the Y and Z axes under the action of two antiphase voltages with constant amplitude U m and frequency ω, two antiphase discrete linear distributions of the RF potential and ions are generated along the Y axis and to ions formed with the initial coordinates x 0/2 <x n <x 0 , y n = 0, | z n | <x 0/2 and the initial velocities v y along the Y axis, inversely proportional to the masses m of the analyzed ions, do a HF field that is linear along the X and Y axes, while ions during the time t A proportional to the mass m perform close to harmonic oscillations along the X and Y axes with finite coordinates x (t A ) = - х н , y (t A ) = y n = 0. 2. Устройство для масс-селективного анализа ионов по времени пролета, содержащее электродную систему для создания в рабочей области масс-анализатора двумерного линейного поля, отличающееся тем, что в качестве электродной системы масс-анализатора используют два ограниченных плоскостью у=0 дискретных по оси Y с шагом d электрода 1 и 2 с размерами Ly и Lz по осям Y и Z, расположенных в плоскостях х=x0 и х=-x0, выполненных или в виде наборов равномерно распределенных с шагом d плоских металлических пластин или в виде плоских частей равномерных с шагом d однослойных намоток катушек индуктивности, и заземленный электрод 3 с рабочей поверхностью в плоскости y=0, причем в электроде 3 имеется щель для ввода ионов шириной Δx<<x0, длиной Δz<х0/2 с координатами центра xщ<x0, zщ=0 и отверстие для вывода ионов с координатами центра xотв=-xщ, zотв=0.2. A device for mass-selective analysis of ions by time of flight, containing an electrode system for creating a two-dimensional linear field in the working area of the mass analyzer, characterized in that as the electrode system of the mass analyzer use two discrete along the y = 0 plane discrete along the Y axis with a step d of electrode 1 and 2 with dimensions L y and L z along the Y and Z axes located in the planes x = x 0 and x = -x 0 , made either in the form of sets of flat metal plates evenly distributed with step d or in the form flat parts uniform in increments d monolayer coils inductors and ground electrode 3 with the working surface in the plane y = 0, and 3 in the electrode has a slit for entry of ions width Δx << x 0, Δz length <x 0/2 with the center coordinates x w <x 0 , z u = 0 and a hole for the output of ions with the center coordinates of x = -x holes w, z = 0 of holes.
RU2006115270/28A 2006-05-03 2006-05-03 Mass selective device and analysis method for drift time of ions RU2327245C2 (en)

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RU2006115270/28A RU2327245C2 (en) 2006-05-03 2006-05-03 Mass selective device and analysis method for drift time of ions

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Application Number Priority Date Filing Date Title
RU2006115270/28A RU2327245C2 (en) 2006-05-03 2006-05-03 Mass selective device and analysis method for drift time of ions

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RU2006115270A true RU2006115270A (en) 2007-11-10
RU2327245C2 RU2327245C2 (en) 2008-06-20

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2497226C1 (en) * 2012-04-25 2013-10-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Рязанский государственный радиотехнический университет" Formation method of two-dimensional linear high-frequency electric field, and device for its implementation
RU2565602C1 (en) * 2014-06-03 2015-10-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Рязанский государственный радиотехнический университет" Device for generation of two-dimensional linear electric fields
GB2534892B (en) 2015-02-03 2020-09-09 Auckland Uniservices Ltd An ion mirror, an ion mirror assembly and an ion trap
RU2740604C1 (en) * 2020-07-14 2021-01-15 Федеральное государственное бюджетное образовательное учреждение высшего образования "Рязанский государственный радиотехнический университет имени В.Ф. Уткина" Method for mass analysis of ions in quadrupole fields with excitation of oscillations on boundaries of stability
RU2749549C1 (en) * 2020-07-14 2021-06-15 Федеральное государственное бюджетное образовательное учреждение высшего образования "Рязанский государственный радиотехнический университет имени В.Ф. Уткина" Device for mass analysis of ions with quadrupole fields with excitation of oscillations at stability boundary

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