The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 05, 1989
Filed:
Oct. 26, 1988
Christopher A Schantz, Redwood City, CA (US);
Ronald Hiskes, Palo Alto, CA (US);
Hewlett-Packard Company, Palo Alto, CA (US);
Abstract
A CVD furnace, having a gas seal and a liquid seal, for chemical vapor deposition of a coating on a fiber. A CVD process utilizing the CVD furnace allows fibers to be pulled through the furnace without drawing gases entrained by the moving fiber into the reaction chamber of the furnace. The process is a hot fiber process, preferably deriving its heat from the meltdown point in an optical fiber pulling process. A coat containing carbon is applied by supplying a reactant containing a carbon having a triple bond. A small amount of silane is also supplied to the reaction chamber to act as an oxygen getter and to prevent tar-like reaction products from clogging the furnace.