Patent ID: 8467638
Filing Date: 2013-06-18
Classification: G11B

Abstract:
1. A suspension board with circuit comprising: a circuit board comprising a metal supporting board; an insulating layer formed on the metal supporting board; and a conductive layer formed on the insulating layer; and an optical waveguide disposed on the circuit board; wherein the optical waveguide comprising: an under clad layer; and a core layer formed on the under clad layer; and an over clad layer formed on the core layer and included in the core layer when projected in the thickness direction of the core layer; wherein the optical waveguide is provided with a positioning portion to position the optical waveguide with respect to a near-field light generating unit for generating a near-field light by a light emitted from the optical waveguide, and a protective layer to cover the positioning portion, and wherein the circuit board is provided with a slider.