| 摘要 |
PURPOSE:A recorder capable of producing a magnetic toner image even when a pulse voltage is impressed for a short period of time and capable of recording at high speed, provided with an insulating body covering a counter electrode provided on a sleeve in a magnetic toner developing machine. CONSTITUTION:A segment form pattern of the counter electrode 7 formed of an electrically conductive material is provided on an insulating polymer base film 21, and an insulating cover coat 22 covering the electrode 7 is provided. The counter electrode 7 is fixed onto a cylindrical sleeve 4 of the magnetic toner developing machine. Even when using a magnetic toner having low resistance, short-circuiting does not occur between adjacent counter electrodes, and it is enabled to record with an extremely short pulse width. |
