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US 4,061,991 AGranted
Seeded flame microwave power load
AssigneeMinister of Defense, Canadian Government
InventorsMichael A. Hamid, Lyall G. Rowlandson
Life of this patent
Estimating the term…
Abstract
A method and device for absorbing microwave energy avoid the expense and bulk of prior art arrangements, and provide greater efficiency, by forming a flame in the path of the microwave and supplying a seeding substance into the flame to produce a plasma flame column which absorbs the microwave. The seeding substance is preferably an alkali salt solution, e.g. KNO.sub.3.
Claims16
A microwave energy absorbing device, comprising:
- a wave guide for guiding a microwave signal;
- means for forming a flame across said wave guide;
- and
- means for supplying a seeding substance to said flame to produce a plasma flame column for absorption of said microwave signal in said column.
1 more element
A method of absorbing microwave energy, which comprises the steps of:
- intercepting a microwave signal by a flame and
- introducing into the flame a seeding substance which produces with the flame a plasma flame column for absorption of the microwave signal in the plasma flame column.
Dependencies are inferred from the claim text.