| 摘要 |
An optical coupling element having a convex, refractive microlens is characterized by a ball having a flat, planar surface being mounted in a through-hole of a carrier lamina with the flat, planar surface extending parallel to a planar surface of the lamina. The coupling element is preferably made by a method which involves forming a through-hole in a lamina, mounting a ball in the through-hole, processing a surface of the ball to form the planar surface that extends parallel to a surface of the lamina. Preferably, a plurality of coupling elements are formed by providing a plurality of through-holes in an enlarged carrier and after processing, each individual coupling element is then separated from this enlarged carrier.
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