| 摘要 |
<p>PURPOSE:To obtain a display having vivid contrast and easy to see by arranging magnetic pole in the shape of a square longer in length with a horizontal line at the middle thereof, in a print head for writing in a display section of a magnetic card having display section. CONSTITUTION:A magnetic pole 1 is constituted of 7 pieces thereof and invertedly shaped in a square longer in length having a horizontal line at the middle thereof. The spaces among and around the shape are filled with a filler 2. At the utmost outer periphery, there is provided a case 3 which holds the filler 2. For the filler 2, a paramagnetic material having electric insulating property without magnetism, for example, epoxy resin is used. For the case 3, soft magnetic materials, for example, soft steel (JISSPCC) and permalloy (PC) are preferable. Thus, since the shape of a display part to be printed corresponds to a head in a print head, all of the part can be printed with magnetization, so that a display having vivid contrast and easy to see can be obtained.</p> |
