Electrolytic-etching method of reshaping an electrode for fiber

Details Electrolytic-etching method of reshaping an electrode for fiber Electrolytic-etching method of reshaping an electrode for fiber

1996-12-23

1998-12-15

Valentine, Donald R.

Electrolysis: processes, compositions used therein, and methods

Electrolytic erosion of a workpiece for shape or surface...

Sharpening or point making

205674, C25F 308

Patent

active

058491732

ABSTRACT:
A method to improve the robustness of an elongated electrode used in an arc fusion apparatus for splicing optical fibers by reshaping the tip of the elongated electrode by electrolytic etching. The method involves reshaping the substantially sharp tip of the elongated electrode by immersing it as the anode in an electrolyte solution, the electrolyte solution is one capable of dissolving an oxidation product of the elongated electrode. Then a second electrode is provided at a predetermined distance from the elongated electrode in the electrolyte solution. Afterward, an electrical current is passed, or caused to flow, between the elongated electrode and the second electrode for a predetermined period of time through the electrolyte solution to reshape the substantially sharp tip of said elongated electrode into a predetermined profile having a substantially round tip.

REFERENCES:
patent: 4375396 (1983-03-01), Beggs et al.
patent: 5035780 (1991-07-01), Suzuki et al.
patent: 5178742 (1993-01-01), Lemke et al.
patent: 5286355 (1994-02-01), Fainchtein et al.
patent: 5630932 (1997-05-01), Lindsay et al.
Research Paper entitled "Plasma Welding of Optical Fibers" by Dan Tillbert: Alfen Laboratory, Royal University of Technology: Ericsson Business Networks AB: pp. 7-68, no date available.

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