| 摘要 |
A suspension board with circuit includes an insulating layer formed with a first opening, a conductive layer formed on the insulating layer so as to fill the first opening, a metal thin film formed so as to cover a surface of the conductive layer exposed from the first opening, and be interposed between the conductive layer and the insulating layer, and a metal supporting layer formed with a second opening surrounding the first opening so as to underlie the insulating layer. The metal supporting layer includes a covering portion provided in the second opening so as to cover the first opening.
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