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The Government of Canada’s terminology and linguistic data bank.

MFM [3 records]

Record 1 2011-08-11

English

Subject field(s)
  • Scientific Instruments
  • Cytology
CONT

... the magnetic-force microscope (MFM), enables us to look at the actual performance of such heads - the definition, uniformity and strength of the magnetic field they produce. In place of the tungsten or silicon needle, the MFM has a magnetized nickel on probe. When the vibrating probe is brought near a magnetic sample, the tip feels a force that changes its resonance frequency and hence its vibration amplitude. The MFM can trace the magnetic-field pattern emanating from data-recording heads at a resolution of better than 25 nanometers. The device can also study the structure of the magnetic bits that store data on disks and other media, giving insight into both head performance and the quality of the storage medium.

French

Domaine(s)
  • Instruments scientifiques
  • Cytologie

Spanish

Campo(s) temático(s)
  • Instrumentos científicos
  • Citología
CONT

[…] hay varios tipos de SPM [microscopios de exploración de sonda], entre ellos, se encuentra [el] microscopio de fuerza atómica(AFM), el microscopio de efecto de túnel(STM), el microscopio de fuerza magnética(MFM), el microscopio de fuerza de resonancia magnética(MRFM), […]

CONT

En el caso de un microscopio de fuerzas magnéticas(MFM) una punta magnética rastrea la superficie de la muestra magnética interaccionando con el campo de dispersión de ésta […]

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Record 2 2001-09-19

English

Subject field(s)
  • Mathematics
  • Meteorological Forecasting, Data Measurement and Analysis
OBS

Reproduced from "Titles, Names and Acronyms related to the activities of the International Oceanographic Commission of Unesco", with the authorization of Unesco.

French

Domaine(s)
  • Mathématiques
  • Prévisions météorologiques et mesure et analyse des données
OBS

Reproduit de «Titles, Names and Acronyms related to the activities of the International Oceanographic Commission of Unesco», avec l'autorisation de l'Unesco.

Spanish

Campo(s) temático(s)
  • Matemáticas
  • Previsiones meteorológicas, medición y análisis de datos
OBS

Reproducido del "Titles, Names and Acronyms related to the activities of the International Oceanographic Commission of Unesco", con la autorización de Unesco.

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Record 3 2001-07-18

English

Subject field(s)
  • Telecommunications
  • Telecommunications Transmission
DEF

A form of frequency modulation in which the phase changes are smoothed considerably with respect to frequency shift keying without loss of information. In this way are avoided the phase discontinuities which cause out-of-band radiation.

French

Domaine(s)
  • Télécommunications
  • Transmission (Télécommunications)

Spanish

Campo(s) temático(s)
  • Telecomunicaciones
  • Transmisión (Telecomunicaciones)
DEF

Método de modulación de frecuencia en el que los cambios de fase se igualan considerablemente con respecto a la modulación por desplazamiento de frecuencia sin pérdida de información [evitando], de este modo, [...] las discontinuidades de fase que provocan.

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