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In a microwave oven, for instance, a 1.1-kilowatt input will generally create about 700 watts of microwave power, an efficiency of around 65%. (The high-voltage and the properties of the cathode determine the power of a magnetron.) Large S band magnetrons can produce up to 2.5 megawatts peak power with an average power of 3.75 kW. [13]
A microwave oven or simply microwave is an electric oven that heats and cooks food by exposing it to electromagnetic radiation in the microwave frequency range. [1] This induces polar molecules in the food to rotate and produce thermal energy (heat) in a process known as dielectric heating .
In 1967 the first more affordable, $495 (equivalent to $4,668 in 2024), and reasonably sized (counter-top) Radarange brand microwave oven was made available for sale, produced by Amana (a division of Raytheon). [4] Spencer became Senior Vice President and a Senior Member of the Board of Directors at Raytheon. He received 300 patents during his ...
The Panasonic HomeChef 4-in-1 Microwave Oven lets you air fry, bake, broil and microwave. This space-saving microwave oven comes supplied with a wire rack, a 14.2-inch glass turntable and an air ...
MACOM was founded in the 1950s as Microwave Associates by the engineers Vessarios Chigas, Louis Roberts, Hugh Wainwright and Richard M. Walker. [6] The company was initially a small supplier of magnetrons to the U.S. Army Signal Corps.
At war's end in 1945, the company had built about 80 percent of all magnetrons. Raytheon ranked 71st among U.S. corporations in the value of World War II military production contracts. [13] In 1945, Raytheon's Percy Spencer invented the microwave oven by discovering that the magnetron could rapidly heat food. In 1947, the company demonstrated ...