| 摘要 |
A contact part of a push-button type rubber switch for use of keyboard in computer, telephone or remote controller was formed. Contact point bar (2) was dipped into solution (4) in the contact point solution reservoir (3). The solution adhered in the bar was dropped into the contact part (7) of the rubber switch (6). The solution was composed of carbon and a diluent. The contact part was coated thickly and flatly with the solution to form the contact level (8).
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