Patent ID: 7336446

Claim:
A suspension board with circuit comprising a metal supporting layer, an insulating base layer formed on the metal supporting layer, a conductor layer formed on the insulating base layer, an insulating cover layer formed on the conductor layer, and a connection terminal portion comprising: a first opening formed in the metal support layer and provided on a first side of the conductor layer; a second opening formed in the insulating base layer and provided on the first side of the conductor layer, the second opening corresponding in location to the first opening; a third opening formed in the insulating cover layer and provided on a second side of the conductor layer, the third opening corresponding in location to the second opening; and a flying lead portion comprising: a conductor line that is formed from the conductor layer in an area that is exposed by the first opening, the second opening and the third opening, and a reinforcing structure that is formed from at least one of the insulating base layer and the insulating cover layer, the reinforcing structure being provided in a longitudinal direction along the conductor line and not in a lateral direction between adjacent conductor lines for reinforcing the conductor line.