| Patent Number |
Title Of Patent |
Date Issued |
| RE30883 |
Method of producing synthetic quartz glass |
March 16, 1982 |
| An improvement in a method for producing a synthetic hydroxyl ion-free quartz glass wherein a hydrogen free silicon compound is heated in a hydrogen-free gas stream while the gas stream is passed through an induction coupled plasma burner, the gas stream containing elemental and/or b |
| 4676814 |
Method for the continuous building of a hollow cylindrical soot body having no internal support |
June 30, 1987 |
| Disclosed is a method for the axial building up, in a vertical arrangement, of a hollow cylindrical soot body having no internal support and consisting substantially of silicon dioxide by means of at least one flame hydrolysis build-up burner serving for the soot production. In this meth |
| 4392715 |
Optical fiber |
July 12, 1983 |
| In an optical fiber having a core whose material consists essentially of vitreous silica, said core having a jacket of plastic which is optically effective at least on a length of 10 m reckoned from the light input end of the fiber and which has a refractive index n.sub.M which is smalle |
| 4235615 |
Method for the production of semiproduct for the production of light conducting fibers |
November 25, 1980 |
| A semiproduct for use in the manufacture of light conducting fibers comprising a core of synthetic quartz glass having a thickness of 6 to 400 mm, the quartz glass containing less than 10 ppm hydroxyl ions and having, in the near infrared spectral range, an optical loss totaling less tha |
| 4165915 |
Light conducting fiber |
August 28, 1979 |
| A semiproduct for use in the manufacture of light conducting fibers comprising a core of synthetic quartz glass having a thickness of 6 to 400 mm, the quartz glass containing less than 10 ppm hydroxyl ions and having, in the near infrared spectral range, an optical loss totaling less tha |
| 4162908 |
Method of producing synthetic quartz glass, apparatus for the practice of the method, and use of |
July 31, 1979 |
| An improvement in a method for producing a synthetic hydroxyl ion-free quartz glass wherein a hydrogen free silicon compound is heated in a hydrogen-free gas stream while the gas stream is passed through an induction coupled plasma burner, the gas stream containing elemental and/or b |
