Chemical etching of fiber probe

Details Chemical etching of fiber probe Chemical etching of fiber probe

1997-10-29

1999-11-16

Breneman, Bruce

Etching a substrate: processes

Nongaseous phase etching of substrate

Etching inorganic substrate

216 11, B44C 122

Patent

active

059851660

ABSTRACT:
A two-phase etching system having an etchant solution and an overlayer of a protective solvent. The physical properties of the etchant solution and the protective solvent are matched to form a substantially flat meniscus on the top surface of the etchant solution around a fiber immersed in the protective solvent and the etchant solution. Convective flows within the etchant solution are maintained to form a smooth and sharp fiber probe with a small tip apex.

REFERENCES:
patent: 4469554 (1984-09-01), Turner
patent: 5525800 (1996-06-01), Sanghera et al.
patent: 5714196 (1998-02-01), Vacha
A. Piednoir, et al. "Imagining and Local Infrared Spectroscopy With A Near Filed Optical Microscope" Elsevier Science B.V.
P. Hoffmann, et al., "Comparison of Mechanically Drawn and Protection Layer Chemically Etched Optical Fiber Tips", 1996 Elsevier Science B.V.

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