| 摘要 |
PURPOSE:To reduce the cost required for forming an electric connection part and improve the efficiency of connection by pressing an electrode with a force which is strong enough to break through a recording layer of a recording body to bring the electrode and a conductor layer into contact with each other. CONSTITUTION:A needle-shaped electrode 10, a disc-shaped electrode 20, and a gear-shaped electrode 30 are used to connect electrically a recording body 1 to an earth or the like. These electrodes are conductive at the tip or near the circumference and a material harder than a recording layer 4 is used to constitute them. If the recording body 1 is fixed, the needle-shaped electrode 10 is thrust to one fixed point of the recording body 1 and is allowed to reach an internal conductive layer 3 and is brought into contact with this layer and is connected electrically to it. If the contacting point between the conductor layer 3 of the recording body 1 and the electrode is moved according as a process advances, more smooth and efficient electric connection is attained when the disc- shaped electrode 20 or the gear-shaped electrode 30 is used. Thus, the cost is reduced, and the efficiency of electric connection is improved.
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