In high-frequency microwave heating equipment, why must metal packaging be replaced with ceramic?
In high-frequency microwave heating equipment, metal packaging must be replaced with ceramic because metal interacts significantly with electromagnetic fields, leading to absorption or reflection of microwave energy. This can cause unwanted heating of the metal packaging itself, disrupt the microwave heating process, and potentially affect the accuracy or longevity of the sensor.
Ceramic materials, on the other hand, are electromagnetically transparent and are excellent electrical insulators. This means they allow microwave energy to pass through without significant interaction, ensuring that the sensor does not interfere with the microwave heating process and the sensor itself remains unaffected by the high-frequency electromagnetic environment.
Fiber Bragg Grating (FBG) sensors, like those from OFSCN, inherently possess immunity to electromagnetic interference (EMI), which makes them ideal for such demanding applications. For environments requiring insulation and microwave transparency, we recommend the OFSCN® Ceramic-encapsulated Fiber Bragg Grating Temperature Sensor.
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