Etching a halide glass tube, removing the etchant, and forming an optical fiber
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United States of America Patent
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May 1, 2001
Grant Date -
N/A
app pub date -
Oct 17, 1996
filing date -
Sep 30, 1991
priority date (Note) -
Expired
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Abstract
The surface quality of halide, preferably fluoride, articles, e.g., articles used in the preparation of halide fibers is improved by cleaning the surface with an aqueous etchant and thereafter removing the etchant by washing the surface with methanol. The aqueous etchant is preferably a solution which contains hydrochloric acid and zirconium oxychloride.
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