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Laterally stacked Schottky diodes for infrared sensor applications

Image Number 3 for United States Patent #4990988.

Laterally stacked Schottky diodes (25) for infrared sensor applications are fabricated utilizing porous silicon (10) having pores (12). A Schottky metal contact (24) is formed in the pores, such as by electroplating. The sensors may be integrated with silicon circuits on the same chip with a high quantum efficiency, which is ideal for IR focal plane array applications due to uniformity and reproducibility.

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