Patent ID: 6203660
Filing Date: 2001-03-20
Classification: B82Y,C03C,G01Q,G02B,Y10S

Abstract:
A fiber etching device, comprising:a container;an etchant solution filled in a bottom portion of said container and chemically reactive to an optical fiber material; anda protective solvent chemically inert to the fiber material and having a density smaller than said etchant solution, said protective solvent formed a protective layer on top of said etchant solution,wherein said etchant solution and said protective solvent have predetermined densities and viscosity coefficients to form a substantially flat meniscus on the interface between said etchant solution and protective solvent around the fiber material which has a portion immersed in said etchant solution and said protective solvent, and said container is configured to have a dimension sufficiently greater than a dimension of the immersed portion of the fiber material to maintain convective flows surrounding the immersed portion within said etchant solution.