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Filmetrics Applications (Thickness Measurement) - Dielectrics

 

Thousands of dielectric films are used in optics, semiconductors, and dozens of other industries, and Filmetrics stocks instruments that can measure virtually all of them. Here are some of the most common dielectrics:

·         SiO2 - Silicon dioxide is one of the simplest materials to measure, primarily because it is non-absorbing (k=0) over most wavelengths and is usually very close to being stoichiometric (i.e. the Si:O ratio is very close to exactly 1:2). Thermally-grown SiO2 is particularly well-behaved and is commonly used for thickness and refractive index standards. Filmetrics has systems that can measure SiO2 from 3nm up to 1mm thick.

·         Si3N4 - The measurement of silicon nitride films is more challenging than that of many other dielectrics because the film’s Si:N ratio is rarely exactly 3:4, and thus the refractive index must usually be measured along with the film thickness. To complicate matters, oxygen is often unintentionally incorporated into the films, creating silicon oxynitride to some degree. Fortunately, Filmetrics systems allow complete characterization of your Si3N4 film in seconds, with only a single mouse click!

 

 

Premier Solutions Pte Ltd / Filmetrics Applications (Thickness Measurement / Thin Film Measurement ) - Dielectrics

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