Importance

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Abstract

A flexible printed circuit board with embedded optical waveguide structure, including a photoelectric transmission unit, wherein the photoelectric transmission unit includes a flexible insulation layer, a first optoelectronic unit and a second optoelectronic unit embedded in the photoelectric transmission unit, at least one redistribution layer having at least one conductive structure stacked with the flexible insulation layer and electrically connected with the first optoelectronic unit and second optoelectronic unit, an optical waveguide structure stacked with the flexible insulation layer, a first metal bump and a second metal bump adjacent to the optical waveguide structure and in optical alignment respectively with the first optoelectronic unit and the second optoelectronic unit to provide reflection planes for optical signal, wherein first metal bump and second metal bump are solid structures made of the same material as the one of redistribution layer.

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First Claim