Patent attributes
There is provided an optical waveguide laminate in which an organic base material layer comprised of an insulation layer and a coverlay is laminated to one surface of an optical waveguide and in which a portion of the organic base material layer is lacking so that the optical waveguide is uncovered. Inequalities P≥70% and P−Q≥25% are satisfied where P is the laser light transmittance in at least a portion of the optical waveguide, the laser light having a predetermined wavelength range, and Q is the laser light transmittance of at least a portion of the organic base material layer. In this optical waveguide laminate, the organic base material layer laminated to the optical waveguide is elaborately removed without being impaired or thermally damaged by laser machining.
