| 摘要 |
PROBLEM TO BE SOLVED: To provide a manufacturing method of a straight-angle insulated wire excellent in insulation property in which a uniform film is formed over a whole surface including corner parts after printing without fear of a conductive surface being exposed, without any large-scale change in the method of manufacturing the straight-angle insulated wire of applying and printing insulating varnish several times on the outer periphery face of straight-angle conductors. SOLUTION: A straight-angle insulating wire with excellent insulation property is manufactured through a rolling process f1 of rolling a cross-section circular round conductors into straight-angle conductors, a plasma treatment process f2 of improving wettability of a whole face or selectively corner parts of the conductors by putting the straight-angle conductors under plasma treatment, and varnish coating and printing process f3 of setting an insulating film of a given thickness by printing insulating varnish several times on the outside of the straight-angle conductors put under plasma treatment.
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