| 摘要 |
PURPOSE:To connect quickly and exactly a light emitting element or photodetector and optical fiber by providing a guide in the prescribed position of the light emitting element, etc. CONSTITUTION:The guide having the shape suitable for the purpose of matching the center of the light emitting pat 5a of the element 5 and the center of the optical fiber 3 consisting of a core part 3a and a clad part 3b and fixing the fiber in the proximate state as far as possible is provided in the prescribed position of the element 5 so that said purpose is achieved simply by matching the top end of the fiber 3 to the guide. The guide is formed of a lead 6 which is used for electrical connection of the element 5 and the electrode on the top surface of a substrate 2. The lead 6 is the so-called finger lead by tape carrier bonding and is formed by laminating a polyimid resin 6b having a prescribed shape on copper foil 6a and coating further rubber 6c as a cushion material onto the top end surface thereof. The lead 6 is electrically connected to the element by a bump electrode 8 formed to the copper foil 6a part.
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