Patent Number: 
Section: claims

1. An oxidation resistant, non-oxide ceramic reinforcing fiber stable at temperatures above about 1200xc2x0 C. and comprising: A) a continuous non-oxide fiber core coated with;  B) at least one non-hygroscopic, oxidation resistant layer selected from the group consisting of: a single monolithic layer of Ti 3 SiC 2 ; sequentially applied layers of SiC and TiC; sequentially applied layers of SiO 2  and TiO 2  and in situ generated dual phase SiO 2  and TiO 2  layers. 2. The ceramic reinforcing fiber of  claim 1  wherein said at least one non-hygroscopic, oxidation resistant layer is applied by chemical vapor deposition or chemical vapor infiltration. claim 1 3. A ceramic matrix composite structure comprising a ceramic matrix reinforced with an oxidation resistant, non-oxide ceramic reinforcing fiber stable at temperatures above about 1200xc2x0 C. and comprising: A) a continuous non-oxide fiber core coated with;  B) at least one non-hygroscopic, oxidation resistant layer selected from the group consisting of: a single monolithic layer of Ti 3 SiC 2 ; sequentially applied layers of SiC and TiC; sequentially applied layers of SiO 2  and TiO 2  and in situ generated dual phase SiO 2  and TiO 2  layers. 4. A ceramic matrix composite structure comprising a ceramic matrix reinforced with an oxidation resistant, non-oxide ceramic reinforcing fiber stable at temperatures Above about 1200xc2x0 C. and comprising: A) a continuous non-oxide fiber core coated with;  B) at least one non-hygroscopic, oxidation resistant layer; and  C) an annular coating of pyrolytic carbon between said continuous, non-oxide fiber core and said at least one non-hygroscopic, oxidation resistant layer. 5. The ceramic matrix structure of  claim 4  wherein said pyrolitic carbon coating ranges in thickness from about 1 xcexcm to about 2 xcexcm. claim 4