Two color infrared detector and method
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United States of America Patent
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Apr 5, 1994
Grant Date -
N/A
app pub date -
Mar 26, 1992
filing date -
Mar 26, 1992
priority date (Note) -
Expired
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Abstract
A two color infrared detector (10) is described comprising a heterojunction diode and a metal insulator semiconductor ('MIS') device. The diode comprises first (12) and second (14) semiconductor regions which are operable to generate electron-hole pairs when struck by infrared radiation having first and second wavelengths respectively. The gate (24) of the MIS device is operable to generate a potential well in the first semiconductor region conjunction with an insulator layer (22).
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