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MICROSONDE ELECTRONIQUE [3 records]

Record 1 2021-11-17

English

Subject field(s)
  • Scientific Instruments
  • Photoelectricity and Electron Optics
DEF

[A device] in which a beam of electrons ... is made to impinge on the surface of a specimen to produce a variety of non-destructive effects that can be used for analysis.

OBS

[This instrument] can focus a beam of electrons on a small part of a mineral grain in order to create a signal that defines its chemical composition.

Key term(s)
  • microprobe analyser

French

Domaine(s)
  • Instruments scientifiques
  • Photo-électricité et optique électronique
CONT

Une microsonde électronique est un microscope électronique à balayage équipé de spectromètres à dispersion de longueur d'onde [...] et muni d'une régulation de courant. Cet appareillage est dédié à la microanalyse X de matériaux solides [...]

Spanish

Campo(s) temático(s)
  • Instrumentos científicos
  • Fotoelectricidad y óptica electrónica
CONT

La microsonda electrónica funciona como sigue: un cátodo caliente emite un flujo de electrones que, tras haber sido acelerados, son focalizados sobre un punto microscópico de la muestra.

Save record 1

Record 2 1991-08-29

English

Subject field(s)
  • Industrial Techniques and Processes
  • Analytical Chemistry
OBS

Secondary-ion mass spectrometry (SIMS), Rutherford backscattering spectrometry (RBS), and laser ionization mass spectrometry (LIMS) are common ion-based surface analysis techniques. They are typical of the sophistication required for in-depth physical and chemical analysis of wafer surface molecules.

French

Domaine(s)
  • Techniques industrielles
  • Chimie analytique

Spanish

Save record 2

Record 3 1986-10-06

English

Subject field(s)
  • Environmental Studies and Analyses
CONT

Preliminary studies on the interaction of pyrrhotite with SO2 were carried out using differential thermal analysis (DTA), optimal microscopy, electron microprobe analysis and X-ray diffraction.

French

Domaine(s)
  • Études et analyses environnementales
CONT

Des études préliminaires sur l'interaction de la pyrrhotite avec le SO2 ont été effectuées; elles faisaient appel à l'analyse thermique différentielle (ATD, à la microscopie optique, à l'analyse par microsonde électronique et à la diffraction X.

Spanish

Save record 3

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