JP2004109426A5 - - Google Patents

Claims (12)

A method for producing a polymer optical waveguide device having an inclined core end face, wherein a polymer optical waveguide laminate provided on a substrate is cut by a blade attached to a spindle of a spindle disposed inclined with respect to the substrate. And
(1) a first cutting step of cutting only the polymer optical waveguide laminate with the blade until at least the core is cut;
(2) a second cutting step of cutting a part of the substrate by the blade along the cutting line by the first cutting step;
A method for producing a polymer optical waveguide device having   The method according to claim 1, wherein the main axis of the substrate and the spindle are arranged at an angle of 5 to 40 degrees.   The method according to claim 1 or 2, wherein the core end face has a surface roughness Ra of 0.01 to 0.02 µm.   The method according to claim 1, wherein a spindle of the spindle is held in a horizontal direction.   The method according to claim 1, wherein the polymer is a fluorinated polyimide. A polymer optical waveguide device having an inclined core end face, wherein the core end face has a surface roughness Ra of 0.01 to 0.02 μm. A polymer optical waveguide device in which a polymer optical waveguide laminate is provided on a substrate, having a core end surface inclined with respect to a vertical plane of the substrate, and being continuous with the inclined core end surface on a part of the substrate The above-mentioned polymer optical waveguide device in which a cut is formed. The polymer optical waveguide device according to claim 7, wherein an angle of inclination of the inclined core end face with respect to a vertical plane of the substrate is 5 to 40 degrees. The polymer optical waveguide device according to claim 7 or 8, wherein the inclined core end surface is a smooth surface. The polymer optical waveguide device according to claim 9, wherein the inclined core end face has a surface roughness Ra of 0.01 to 0.02 µm. The polymer optical waveguide device according to any one of claims 7 to 10, wherein a depth of the notch from the substrate surface is 50 to 200 µm. The polymer optical waveguide device according to any one of claims 7 to 11, further comprising a V-groove for mounting an optical fiber on a substrate.