Title: Method of producing an elongated glass body particularly a preform for optical waveguides
Application Number: 86103379 Application Date: 1986.05.17
Publication Number: 1005039 Publication Date: 1986.11.19
Approval Pub. Date: 1989.06.21 Granted Pub. Date: 1989.06.21
International Classifi-cation: C03B19/06;C03B37/012
Applicant(s) Name: Alketo N.V* Address:
Inventor(s) Name: Raymond Donne
Attorney & Agent: WU SHUFANG
Abstract:
    A method is described of producing an elongated glass body, particularly a preform for SiO2-base optical waveguides, in which starting glass powder material is shaped to a porous body and the latter is sintered to form a glass body. In order to obtain uniform density throughout the porous body, the starting glass powder material is filled into and simultaneously compacted in a mold. Subsequently, the powder material compacted during the filling is consolidated by a heat treatment to result in the porous body. Molds of different design for the production of tubular or rod-shaped porous bodies are described.
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