Microelectronic Engineering

Fabrication of a micromachined magnetic X/Y/Z scanner for parallel scanning probe applications

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This paper presents the fabrication and characteristics of a magnetically actuated micromechanical scanner/stage with five degrees of freedom (X, Y, Z, and tilt about the X and Y axes) intended for use as a compact positioning device in parallel scanning probe applications. The entire scanner has a volume of 30×30×2 mm3. It shows a DC displacement amplitude to drive current ratio of 330 nm/mA along the X and Y axes, of 50 nm/mA along the Z axis, and has a resonant frequency in the X/Y plane of 61 Hz.