Patent ID: 7310467
Filing Date: 2007-12-18
Classification: G02B

Abstract:
1. A method of fabricating an optical waveguide which comprises: coating the surface of a releasable substrate, said surface being treated with a releasing agent, with a negative energy ray-sensitive material or a positive energy ray-sensitive material, irradiating the coat with an energy ray, and developing the irradiated coat to form a core layer, then, coating the parts of the surface of the core layer and the substrate with a material for forming a clad layer, wherein a clad layer is to be formed on the parts, to form the clad layer having a lower refractive index than that of the core layer, and then, peeling the substrate off from the core layer and the clad layer to fabricate an optical waveguide of which the top face or the bottom face of the core layer is covered by no clad layer.