Carbon film coated refractory fiber cloth

Abstract

A flexible electrically conducting cloth comprising a plurality of intermingled or interwoven fibers of a refractory material having a sheet resistance above 1000 ohms per square. A conducting coating having at least about 70 atomic percent carbon encapsulates a majority of the fibers. The coating is applied in sufficient quantity to render the cloth electrically conducting with a sheet resistance of about 0.1 to about 1000 ohms per square, the coating having been formed by chemical vapor deposition at 800.degree. C. to 1200.degree. C. A flexible electrically conducting cloth having a length and a breadth is also provided comprising a plurality of intermingled or interwoven fibers of a refractory material having a sheet resistance above 1000 ohms per square. A conductive coating including at least about 70 atomic percent carbon encapsulates a majority of the coating. The coating is in sufficient quantity to render the cloth conducting with a sheet resistance between 0.1 and 1000 ohms per square. The cloth has a resistance across its breadth uniform to within about .+-.10% and a controllable resistance along its length.

Dependencies are inferred from the claim text.