Method for controlling a scanning microscope
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United States of America Patent
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Jul 28, 2015
Grant Date -
Oct 23, 2014
app pub date -
Oct 10, 2012
filing date -
Oct 10, 2011
priority date (Note) -
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Abstract
The invention relates to a control method having at least two control loops for a scanning microscope provided with a microlever and an actuator suitable for energizing the microlever, in which a first loop maintains as a controlled variable the oscillation amplitude of the microlever and as a manipulated variable the amplitude of the electric signal supplied to the actuator, and a second loop uses as a controlled variable the amplitude of the aforementioned electric signal and as a manipulated variable the tip-sample distance. Said procedure makes it possible to ignore changes of sign in the tip-sample interaction.
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