CPC H01L 27/14623 (2013.01) [H01L 27/1461 (2013.01); H01L 27/1463 (2013.01); H01L 27/14643 (2013.01); H01L 27/14689 (2013.01)] | 20 Claims |
1. A semiconductor device comprising:
a photodiode comprised in a second epitaxial layer of a semiconductor substrate;
a light shield coupled over the photodiode; and
a first epitaxial layer located in one or more openings in the light shield;
wherein the first epitaxial layer and the second epitaxial layer form a single crystal.
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