Patent ID: 8884319
Filing Date: 2014-11-11
Classification: H01L

Abstract:
1. A semiconductor device comprising: a semiconductor substrate having a main surface; a first conductivity type impurity layer disposed over the main surface of the semiconductor substrate; a plurality of unit pixels arranged in a matrix pattern, each unit pixel including: an isolation insulating layer, containing an air gap, for electrically isolating one photoelectric transducer from another photoelectric transducer adjacent to the one photoelectric transducer, the isolation insulating layer abutting on a top surface of the first conductivity type impurity layer, wherein a shortest distance between the first active region of the first transistor included in one unit pixel of a pair of neighboring unit pixels among the plurality of unit pixels and the first active region of the first transistor included in the other unit pixel of the pair of unit pixels is smaller than a shortest distance between the first active region of the first transistor and the second active region of the second transistor adjacent to the first transistor in a plan view.