Patent ID: 9478520
Filing Date: 2016-10-25
CPC Classification: H01L,H04N

Claim Text:
1. A substrate comprising: a base having a predetermined thickness; a wiring provided in the base; an electrode provided in one surface of the base and including a plurality of circuit electrodes two-dimensionally arranged and connected to the wiring, each of the plurality of circuit electrodes being arranged at a predetermined circuit electrode pitch from each other; and a dummy region provided around the electrode in the same surface as the electrode and including a plurality of dummy electrodes not connected to the wiring, wherein, in at least a portion of the dummy region, a subset of the plurality of dummy electrodes are arranged as a dummy electrode set, in which each of the dummy electrodes in the subset of the plurality of dummy electrodes are arranged at a predetermined dummy pitch from each other, the predetermined dummy pitch being greater than the circuit electrode pitch, and wherein a plurality of the dummy electrode sets are provided around the electrode in the dummy region, the dummy electrodes in each of plurality of the dummy electrode sets having the predetermined dummy pitch.