Systems and methods for manufacturing nano-electro-mechanical-system probes
Systems and methods for manufacturing multiple integrated tip probes for scanning probe microscopy. According to an embodiment is a microscope probe configured to analyze a sample, the microscope probe including: a movable probe tip including a terminal probe end; a first actuator configured to displace the movable probe tip along a first axis; and a detection component configured to detect motion of the movable probe tip in response to an applied signal; where the moveable probe tip comprises a metal layer affixed to a supporting layer, at least a portion of the metal layer at the terminal probe end extending past the supporting layer.
1. A microscope probe configured to analyze a sample, the microscope probe comprising:
a movable probe supported by a substrate;
a first actuator configured to displace the movable probe along a first axis;
a detection component configured to detect motion of the movable probe in response to an applied signal;
a resonator configured to vibrate the movable probe when the microscope probe is in a vibrational mode; and
a compensation capacitor affixed to the substrate and connected in parallel with the resonator, wherein the compensation capacitor is configured to cancel parasitic capacitance corresponding to the resonator.
2. The microscope probe of claim 1 , wherein at least a portion of the movable probe is attached to a spacer, the spacer fixedly secured to a top surface of the substrate.
3. The microscope probe of claim 1 , wherein the capacitor comprises a plurality of interdigitated fingers wherein at least a first finger and a second finger of the plurality of interdigitated fingers are separated by an air-gap.
4. The microscope probe of claim 1 , wherein the resonator comprises a plurality of interdigitated fingers wherein at least a first finger and a second finger of the plurality of interdigitated fingers are separated by an air-gap.
5. The microscope probe of claim 1 , wherein the capacitor comprises a first plurality of interdigitated fingers wherein a first finger and a second finger of the first plurality of interdigitated fingers are separated by an air-gap;
wherein the resonator comprises a second plurality of interdigitated fingers wherein a first finger and a second finger of the second plurality of interdigitated fingers are separated by an air-gap; and
wherein the first finger of the first plurality of interdigitated fingers of the capacitor and the first finger of the second plurality of interdigitated fingers of the resonator are connected to the first actuator.
6. The microscope probe of claim 1 , further comprising:
an electrode, wherein, along a direction perpendicular to a top surface of the substrate, the electrode is disposed between the movable probe and the substrate.
7. The microscope probe of claim 1 , wherein the resonator and the compensation capacitor are structurally identical and monolithically integrated on the substrate.