This is the case inside a microwave oven. The device is about the size of a microwave oven. The radiation produced by a microwave oven is non-ionizing. Amana produced the first practical commercial microwave oven in 1967. Her weapon is a clarinet that is constructed like a microwave oven. Lutefisk may also be cooked in a microwave oven. Individual portions heatable in a microwave oven are also sold. He also mentioned how he had a claim for inventing the microwave oven. He became known as the inventor of the microwave oven. Typically, they are reheated in a microwave oven. Susceptors built into packaging create high temperatures in a microwave oven. Food and cookware taken out of a microwave oven are rarely much hotter than . It consisted of a susceptor sheet which cooked French fries in a microwave oven. The cooking time will vary, depending upon the power of the microwave oven. These are exactly the kind of burns that would be caused inside a microwave oven.