| abstract |
A ball-point pen comprising: n a. a penpoint tip, n b. a writing ball rotationally held in the penpoint tip and n c. an ink reservoir whose distal end is connected to the penpoint tip, n wherein the writing all is formed of a sintered inorganic material having a surface layer comprising fine holes that have a median diameter of from about 1 to about 20 μm, and the ink reservoir is filled with an aqueous ink containing a glass flake pigment and having a viscosity of about 4,000 to about 30,000 mPa·S. |