EA201270260A1 - Способ и устройство анализа материалов с помощью сфокусированного пучка электронов с использованием характеристического рентгеновского излучения и обратноотраженных электронов - Google Patents

Способ и устройство анализа материалов с помощью сфокусированного пучка электронов с использованием характеристического рентгеновского излучения и обратноотраженных электронов

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EA201270260A1
EA201270260A1 EA201270260A EA201270260A EA201270260A1 EA 201270260 A1 EA201270260 A1 EA 201270260A1 EA 201270260 A EA201270260 A EA 201270260A EA 201270260 A EA201270260 A EA 201270260A EA 201270260 A1 EA201270260 A1 EA 201270260A1
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Eurasian Patent Office
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ray
particle
map
electron beam
activity
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EA201270260A
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English (en)
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EA021273B1 (ru
Inventor
Давид Мотль
Сильвиэ Докулилова
Войтех Филип
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Тескан, А.С.
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Publication of EA201270260A1 publication Critical patent/EA201270260A1/ru
Publication of EA021273B1 publication Critical patent/EA021273B1/ru

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/26—Electron or ion microscopes; Electron or ion diffraction tubes
    • H01J37/28—Electron or ion microscopes; Electron or ion diffraction tubes with scanning beams
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
    • G01N23/2206—Combination of two or more measurements, at least one measurement being that of secondary emission, e.g. combination of secondary electron [SE] measurement and back-scattered electron [BSE] measurement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
    • G01N23/225—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material using electron or ion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/22—Optical or photographic arrangements associated with the tube
    • H01J37/222—Image processing arrangements associated with the tube
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/244—Detectors; Associated components or circuits therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/40—Imaging
    • G01N2223/402—Imaging mapping distribution of elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/60—Specific applications or type of materials
    • G01N2223/616—Specific applications or type of materials earth materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/244—Detection characterized by the detecting means
    • H01J2237/2441—Semiconductor detectors, e.g. diodes
    • H01J2237/24415—X-ray
    • H01J2237/2442—Energy-dispersive (Si-Li type) spectrometer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/244—Detection characterized by the detecting means
    • H01J2237/24475—Scattered electron detectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/245—Detection characterised by the variable being measured
    • H01J2237/24571—Measurements of non-electric or non-magnetic variables
    • H01J2237/24585—Other variables, e.g. energy, mass, velocity, time, temperature

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Engineering & Computer Science (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

Способ анализа материалов с помощью сфокусированного пучка электронов и устройство для его реализации, где создаются электронная карта В, где отображается активность эмиссии обратноотраженных электронов в различных точках образца, и спектральная карта S, где отображается активность эмиссии рентгеновского излучения в точках образца в зависимости от энергии излучения. Для выбранных химических элементов создают рентгеновские карты M, где отражена активность рентгеновского излучения, характерная для данных элементов. Рентгеновские карты Mи электронная карта В конвертируются в дифференциальные рентгеновские карты D, которые затем объединятся в итоговую дифференциальную карту D. Итоговая дифференциальная карта D затем используется для обнаружения частиц. Затем для каждой частицы рассчитывается аккумулированный спектр Xрентгеновского излучения, причем точки образца, расположенные на краю частицы, имеют меньший вес, чем точки, расположенные внутри частицы. Затем из аккумулированного спектра X, в ходе количественного спектроскопического анализа определяется концентрация химических элементов в данной частице.
EA201270260A 2011-03-23 2012-03-06 Способ и устройство анализа материалов с помощью сфокусированного пучка электронов с использованием характеристического рентгеновского излучения и обратноотраженных электронов EA021273B1 (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CZ20110154A CZ2011154A3 (cs) 2011-03-23 2011-03-23 Zpusob analýzy materiálu fokusovaným elektronovým svazkem s využitím charakteristického rentgenového zárení a zpetne odražených elektronu a zarízení k jeho provádení

Publications (2)

Publication Number Publication Date
EA201270260A1 true EA201270260A1 (ru) 2012-10-30
EA021273B1 EA021273B1 (ru) 2015-05-29

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EA201270260A EA021273B1 (ru) 2011-03-23 2012-03-06 Способ и устройство анализа материалов с помощью сфокусированного пучка электронов с использованием характеристического рентгеновского излучения и обратноотраженных электронов

Country Status (6)

Country Link
US (1) US20130054153A1 (ru)
AU (1) AU2012201146B2 (ru)
BR (1) BR102012005032A2 (ru)
CZ (1) CZ2011154A3 (ru)
EA (1) EA021273B1 (ru)
ZA (1) ZA201201095B (ru)

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CZ309309B6 (cs) 2015-09-22 2022-08-17 TESCAN BRNO s.r.o. Způsob analýzy materiálů fokusovaným elektronovým svazkem s využitím charakteristického rentgenového záření a zpětně odražených elektronů a zařízení k jejímu provádění
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CZ303228B6 (cs) 2012-06-06
CZ2011154A3 (cs) 2012-06-06
AU2012201146B2 (en) 2013-05-23
BR102012005032A2 (pt) 2014-02-04
AU2012201146A1 (en) 2012-10-11
EA021273B1 (ru) 2015-05-29
ZA201201095B (en) 2012-10-31
US20130054153A1 (en) 2013-02-28

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