Patent ID: 8655118

Claim:
An optical waveguide device comprising: a first under-cladding layer; a lead frame provided on an upper surface of the first under-cladding layer, wherein the lead frame has a first end portion on which a light emitting element is fixed, the lead frame has a second end portion being provided with terminals of the light emitting element, the terminals project from a rim of a side edge of the first under-cladding layer, the side edge being on a side of the first under-cladding layer that connects perpendicularly to the upper surface of the first under-cladding layer, the terminals project in a direction parallel to the upper surface of the first under-cladding layer, an entirety of the second end portion being provided with the terminals does not contact the first under-cladding layer, and the entirety of the second end portion being provided with the terminals is exposed in the air; wirings connected to the terminals; a second under-cladding layer provided directly on the upper surface of the first under-cladding layer, wherein the second under-cladding layer is in contact with a top surface and side surfaces of the light emitting element, wherein the second under-cladding layer is in contact with a top surface and side surfaces of the first end portion of the lead frame, and wherein the second under-cladding layer is not in contact with the second end portion of the lead frame; and a core provided on an upper surface of the second under-cladding layer in a position such that light emitted from the light emitting element is incident on the core, the core being adapted to receive the emitted light through the second under-cladding layer.