A Planar CMOS Field-Emission Vacuum Magnetic Sensor |
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Abstract: | We have fabricated a CMOS vacuum magnetic sensor that exploits the deflection of an electron beam produced by field emission by a perpendicular magnetic field. The device is planar and fabricated by conventional lithography and etching processes. An extremely high magnetic field sensitivity of $hbox{4} times hbox{10}^{3}%/hbox{T}$ is reported. |
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