Patent ID: 6049116
Filing Date: 2000-04-11
Classification: H01L

Abstract:
A two-color, two layer infrared(IR) detector including a first layer and a second layer, comprising:a transparent semiconductor substrate;the first layer comprising an N-type HG.sub.(1-y) Cd.sub.(x) Te layer formed on a surface of the semiconductor substrate;the second layer comprising a p-type Hg.sub.(1-x) Cd.sub.(x) Te layer formed on the N-type Hg.sub.(1-y) Cd.sub.(y) Te layer;an n-type Hg.sub.(1-x) Cd.sub.(x) Te layer formed on a predetermined portion of the p-type Hg.sub.(1-x) Cd.sub.(x) Te layer;a first bump formed on the p-type Hg.sub.(1-x) Cd.sub.(x) Te layer; anda second bump formed on the n-type Hg.sub.(1-x) Cd.sub.(x) Te layer.