نتایج جستجو برای: nanomanipulation
تعداد نتایج: 192 فیلتر نتایج به سال:
With widely application of nanomanipulation, the design requirements of nanomanipulation control system is higher and higher. To improve the control precision of nano-components, it is important to do research on closed-loop control method for nanomanipulation. The piezoelectric ceramic actuator has the inherent characteristic of hysteresis, creep and nonlinear. Attocube is adopted as piezoelec...
Optical manipulation and imaging of nano-objects with nanometer precision is highly desirable for nanomaterial biological studies due to inherent noninvasiveness. However, time constraints current segregated experimental systems nanoimaging nanomanipulation limits real-time super-resolution spatially enhanced manipulation. Here, an integrated nanoscopic correction (iNC) method enable multimodal...
Nanomanipulation systems require accurate knowledge of the end-effector position in all three spatial coordinates, XYZ, for reliable manipulation of nanostructures. Although the images acquired by a scanning electron microscope (SEM) provide high resolution XY information, the lack of depth information in the Z-direction makes 3D nanomanipulation time-consuming. Existing approaches for contact ...
The interactive nanomanipulation platform is established based on fuzzy control and connected region marking CRM algorithm in SEM. The 3D virtual nanomanipulation model is developed to make up the insufficiency of the 2D SEM image information, which provides the operator with depth and real-time visual feedback information to guide the manipulation. The haptic device Omega3 is used as the maste...
The 3D assembly of micro-/nano-building blocks with multi-nanomanipulator coordinated manipulation is one of the central elements of nanomanipulation. A novel rail-guided nanomanipulation system was proposed for the assembly of a cellular vascular-like hydrogel microchannel. The system was equipped with three nanomanipulators and was restricted on the rail in order to realize the arbitrary chan...
Microfabricated grippers could be useful for the manipulation of nanoscopic and microscopic samples. A survey is presented of the force requirements for a microgripper to complete pick-and-place nanomanipulation tasks. We then demonstrate in situ pick-and-place operations of nanowires inside a scanning electron microscope using microfabricated electrostatically actuated grippers, and compare th...
Atomic force microscope (AFM)-based nanomanipulation has been proved to be a possible method for assembling various nanoparticles into complex patterns and devices. To achieve efficient fully automated nanomanipulation, on the substrate must identified precisely automatically. This work focuses an autodetection flexible nanowires using deep learning technique. An instance segmentation network b...
A conventional atomic force microscope (AFM) has been successfully applied to manipulating nanoparticles (zero-dimensional), nanowires (one-dimensional) or nanotubes (one- or two-dimensional) by widely used pushing or pulling operations on a single surface. However, pick-and-place nanomanipulation in air is still a challenge. In this research, a modified AFM, called a three-dimensional (3D) man...
An atomic force microscope (AFM) based system has been built for the manipulation of materials at the nanometer scale. The AFM is combined with an inverse optical microscope and an UV-laser microbeam system for photoablation. The actuators of the AFM are controlled using a digital signal processor. Real-time routines and a graphical user interface have been programmed for high resolution imagin...
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