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    • 1. 发明申请
    • PHOTODETECTION DEVICE
    • 光电检测设备
    • WO2012080989A2
    • 2012-06-21
    • PCT/IB2011055742
    • 2011-12-16
    • COMMISSARIAT ENERGIE ATOMIQUEESPIAU DE LAMAESTRE ROCHLARGERON CHRISTOPHE
    • ESPIAU DE LAMAESTRE ROCHLARGERON CHRISTOPHE
    • H01L31/0232
    • H01L31/02327H01L31/0232
    • The present invention relates to a photodetector for detecting an infrared-light emission having a given wavelength (?) comprising a multilayer with: a layer (11) of a partially absorbent semiconductor; a spacer layer (12) made of a material that is transparent to said wavelength; and a structured metallic mirror (13), the distance (g) between the top of said mirror and said spacer layer being smaller than ? and said mirror comprising a network of holes defining an array of metallic reliefs with a pitch P of between 0.5 ?/nSC and 1.5 ?/nSC, where nSC is the real part of the refractive index of the semiconductor, a relief width L of between 9P/10 and P/2 and a hole depth h of between ?/100 and ?/15.
    • 本发明涉及一种用于检测具有给定波长(λ)的红外光发射的光电检测器,该光电检测器包括具有以下部分的多层:部分吸收型半导体层(11) 由对所述波长透明的材料制成的隔离层(12) 和结构化金属反射镜(13)之间,所述反射镜的顶部与所述间隔层之间的距离(g)小于λ 并且所述反射镜包括孔洞网络,所述孔洞网络限定具有介于0.5λ/ nSC和1.5λ/ nSC之间的间距P的金属浮雕阵列,其中nSC是所述半导体的折射率的实部, 9P / 10和P / 2,孔深度h在λ/ 100和λ/ 15之间。