Patent ID: 8968987
Filing Date: 2015-03-03
Classification: B05C,B05D,G02B,H05K

Abstract:
1. A computer-implemented method for implementing enhanced optical mirror coupling and alignment in a printed circuit board comprising: identifying an initial via placement for one or more vias in the printed circuit board; filling a via with a resist; using the via for providing enhanced optical mirror coupling and alignment in the printed circuit board by defining a sloped polymer bridge across the via by exposing the resist at varying depths in the via with a series of tightly focused light beams and removing the resist outside of the sloped polymer bridge defined by the exposure; and coating one side of the sloped polymer bridge with a reflective material and providing an opposite side of the sloped polymer without plating, allowing the reflection of light to or from a waveguide through the reflective material formed in the via.