| 摘要 |
PURPOSE: A laminated coil is provided to prevent insulation defects by forming an insulation layer on an outer side of a laminate and increasing a diameter of a coil pattern. CONSTITUTION: An insulation layer(1) and a coil pattern(2) are alternatively laminated on a laminate(3). A through hole(4a) passes through the insulation layer. A coil(5) is formed in the laminate. An insulation layer(7) is formed on the outer side of the laminate. The through hole is contacted with one side of the insulation layer. The insulation layer is made of insulating resin.
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