| 摘要 |
PURPOSE:To print exact key letters or marks without pressure by printing dot letters on the small section of a book by means of ink jet. CONSTITUTION:Fine droplets of print ink are injected from a nozzle and adhered to a give place while controlling its scattering direction by various methods. Thus, since print plate or others are printed on the small section of a book without pressure and contact, clear-cut and exact letters or marks 2 can be printed on even curved, soft, and unstable small sections 1 and no flowing and spreading of ink occur because of dot letters. |
