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Magnetic field sensor including carrier excluding for reducing an instrinsic contribution to carrier concentration in the active region
Magnetic field sensor including carrier excluding for reducing an instrinsic contribution to carrier concentration in the active region
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机译:包括载流子的磁场传感器,不包括用于减少对有源区中载流子浓度的固有贡献
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摘要
The invention provides a Hall effect magnetic field sensor (10, 50) including carrier excluding or extracting means (36, 66) for reducing an intrinsic contribution to carrier concentration in the active region (14e, 53c) to provide for the sensor to be operative in an extrinsic saturated regime. This provides an advantage that magnetic field measurement sensitivity of the sensor (10, 50) can be made substantially insensitive to sensor temperature thereby improving measurement accuracy.
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