You asked: What is the cardboard thing in my microwave?

Each microwave has a cover on one of the side wall on the inside. This cover, a type of cardboard, is also called a mica plate. … Never throw it away, because it ‘s not packaging material.

Can I use a microwave without a waveguide cover?

You can use your microwave without a waveguide, but when the waveguide is damaged, the steam and vaporized food particles collect on the oven’s electronic components. The waveguide’s main function is to protect the oven from steam and vaporized food particles will accumulate on the oven’s inner electronic components.

What is a microwave waveguide cover made of?

It is called the waveguide cover. It is usually made of a material called Mica. What does it do ? Its purpose is to cover the aperture through which the microwaves enter the oven cavity from where they are produced by the Magnetron behind the control panel.

Can you replace the waveguide cover?

Simply slide in the new waveguide cover and replace the holding screw if fitted. You can now also place the turntable and roller ring back in your microwave. Congratulations – you have now replaced the waveguide cover on your microwave. You can now get back on with life with one less worry on your mind!

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What does a waveguide do?

A waveguide is a structure that guides waves, such as electromagnetic waves or sound, with minimal loss of energy by restricting the transmission of energy to one direction.

Where can I buy a waveguide cover for a microwave?

Microwave Universal Waveguide Cover, Cut-To-Fit Mica, 10″ X 12″, 40QBP1012 – Walmart.com – Walmart.com.

How do you clean a waveguide cover?

Keep the waveguide cover clean to assure good oven performance. Carefully wipe with a damp cloth any food spatters from the surface of the cover immediately after they occur. Built-up splashes may overheat and cause smoke or possibly catch fire. DO NOT REMOVE THE WAVEGUIDE COVER.

How long does a microwave last?

The average microwave oven lasts about seven years with normal use, and even less with heavy use and poor maintenance. A large family may find themselves replacing their appliance every four to five years as they become more reliant on its use to heat up snacks and leftovers, or to defrost meals.

Can you put cardboard in the microwave?

Can You Put Cardboard in the Microwave? While it might not seem like a good idea on the surface, just like it’s generally safe to microwave paper plates, you can typically microwave cardboard without any issues. … Since cardboard doesn’t contain high amounts of moisture, it doesn’t warm up as quickly as food does.

What is waveguide in microwave?

A waveguide is an electromagnetic feed line used in microwave communications, broadcasting, and radar installations. A waveguide consists of a rectangular or cylindrical metal tube or pipe. … Either mode can provide low loss and high efficiency as long as the interior of the waveguide is kept clean and dry.

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When should I change my waveguide cover?

If moisture or food embedded in it starts burning it will go from bad to worse quite quickly and if not replaced can cause irreparable damage to the microwave. It is advisable to replace the cover as soon as possible to prevent damage.

Can I use my microwave after it sparks?

This may occur again, but so long as the magnetron survives, you should be okay. The problem with sparks is they can leave a carbon trail deep inside which is conductive and may actually make the next spark occur at a slightly lower voltage. … The smell was really bad, but to this day, the microwave works.

How do I fix a rusty microwave?

  1. Step 1 prepare. an enamel paint is required but it is not special for microwaves, e.g. the small tins used for modeling will do. unplug the microwave! …
  2. Step 2 remove the rust. remove the glass tray and roller ring. …
  3. Step 3 apply the paint. shake the tin. …
  4. Step 4 replace tray. make sure paint is fully dry and interior is aired.

What are the types of waveguide?

There are five types of waveguides.

  • Rectangular waveguide.
  • Circular waveguide.
  • Elliptical waveguide.
  • Single-ridged waveguide.
  • Double-ridged waveguide.

What is a waveguide mode?

Waveguide mode stands for a unique distribution of transverse and longitudinal components of the electric and magnetic fields. There are two types of waveguide modes that can propagate in the waveguides: TE (Transverse Electric) and TM (Transverse Magnetic).

What is TEM mode in waveguide?

TEM mode: The Transverse electromagnetic wave cannot be propagated within a waveguide, but is included for completeness. … The TEM wave is characterised by the fact that both the electric vector (E vector) and the magnetic vector (H vector) are perpendicular to the direction of propagation.

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