| http://www.w3.org/ns/prov#value | - In the substrate and at the first surface are a plurality of spaced apart regions of the same conductivity type as the substrate and defining the...http://www.google.com/patents/US4129878?utm_source=gb-gplus-sharePatent US4129878 - Multi-element avalanche photodiode having reduced electrical noiseAdvanced Patent SearchPublication numberUS4129878 APublication typeGrantApplication numberUS 05/843,04
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