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US 5,543,605 AGranted
Microwave fiber coating apparatus
AssigneeAvco Corporation
InventorsHarold D. Kimrey, Jr., William B. Snyder, Jr., Richard C. Krutenat
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Abstract
Apparatus for heating a fiber using microwave energy. The apparatus has a source of microwave energy feeding and applicator. The applicator is configured to concentrate the microwave energy on a chamber holding a fiber. Fibers made or coated using chemical vapor deposition in the apparatus are also disclosed.
Claims9
A method of heating a fiber comprising the steps:
- a) providing an apparatus comprising
- i) a source of microwave energy, the microwave energy having an electric field associated therewith;
- and the electric field situated perpendicular to the fiber;
- ii) an applicator having walls defining a cavity adapted to have the fiber passed therethrough, the applicator coupled to the source of microwave energy;
- iii) means for concentrating a maximum electric field on the fiber, comprising an element projecting into the cavity;
- iv) means for tuning the electric filed in a longitudinal direction along the fiber to yield a uniform electric field along the fiber;
- and
- b) pulling the fiber through the cavity in the apparatus at a rate effective to permit the fiber to be heated sufficiently to coat the fiber by means of a chemical vapor deposition reaction.
5 more elements
Dependencies are inferred from the claim text.