Basic Knowledge of Microwave Heating

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last updated：Jul 04, 2012

ミクロ電子本社

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Microwaves are a type of radio wave, and radio waves are a type of electromagnetic wave!

Microwaves are a type of radio wave, and radio waves are one type of electromagnetic wave. Electromagnetic waves propagate through the interaction of electric and magnetic fields, which allows them to travel even in a vacuum. Since electromagnetic waves are "waves," they have two elements: wavelength and frequency. Wavelength is the length from peak to peak of the wave, while frequency indicates the number of waves that occur in one second. The speed of electromagnetic waves is constant at about 300,000 km/s, regardless of frequency, so dividing this speed by the frequency gives the wavelength. The name of electromagnetic waves changes according to their frequency, and they are used for various applications based on their characteristics. Light is also a type of electromagnetic wave. Electromagnetic waves below 3000 GHz are classified as radio waves. Radio waves with frequencies from 300 MHz to 300 GHz (wavelengths from 1 m to 1 mm) are called microwaves. Microwaves are used not only for communication but also for astronomical observations with radio telescopes, monitoring moving objects with radar systems, and positioning systems using GPS in car navigation. For more details, please contact us or download the catalog.

Related Link - http://www.microdenshi.co.jp/microwave/

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【Contents】 ○ About microwaves ○ Frequencies usable for microwave heating devices ○ Principles of microwave heating → Equations for microwave heating and the dielectric properties of materials → Microwave power absorbed by dielectrics (theoretical equation) → Microwave power absorbed by dielectrics (equation calculated using calorimetry) → Depth of microwave penetration into dielectrics → Dielectric properties of materials ○ Features of microwave heating → Internal heating → High-speed heating → Selective heating → High heating efficiency → Fast response and temperature control → Uniform heating → Clean energy → Good operability and working environment ○ Basic configuration of microwave power application devices and microwave devices → Functions of each microwave device → Matching adjustments when there are items like stirrers in the applicator, etc. ● For more details, please contact us or download the catalog.