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This paper presents results of glass capillary end face grinding and polishing by  approach that reduces the edge chipping. Brittle materials have natural tendency for edge  chipping what leads to beveling the sharp edges. Not beveled sharp edges on glass  capillary are important for special applications like surface tension measurement of small  liquid samples. We use common grinding and polishing process for capillary end face  machining modified with gradual decreasing of grinding load based on the relation of the  critical chipping load. Achieved surface roughness is measured using atomic force  microscopy (AFM). Capillary inner edge quality is checked both with optical microscopes  and electron microscope too. We achieved a non-chipped capillary inner edge with radius  down to 100 nm

Reducing the Edge Chipping for Capillary End Face Grinding and Polishing