Manufacturing of a Hybrid Acoustic Transmitter Using an Advanced Microassembly System

Probst, Martin; Flückiger, Michael; Ergeneman, Olgaç; Nagy, Zoltán; Nelson, Bradley J.

doi:10.1109/tie.2009.2021173

Cited by 23 publications

(4 citation statements)

References 15 publications

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“…Micropositioning has been regarded as one of pivotal technologies in many fields, such as bioengineering [1], optical microscope [2], printed electronics [3], micromanipulation [4], microassembly and micromachining [5][6][7]. Nevertheless, conventional mechanisms can meet the the requirements of precision position in these fields for their inevitable friction, backlash and so on.…”

Section: Introductionmentioning

confidence: 99%

Design, analysis and testing of a novel decoupled 2-DOF flexure-based micropositioning stage

Yang

Chen

Liu

et al. 2017

J. Micromech. Microeng.

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This paper presents the design, analysis and testing of a novel decoupled 2-DOF flexure-based micropositioning stage driven by piezoelectric-actuators (PZTs). In order to enlarge the travel range, a Scott-Russell mechanism and leverage mechanism are arranged in series, constituting a two-grade displacement amplifier to conquer the small displacement of the PZT. The design micropositioning stage is composed of symmetrically distributed flexure modules and each flexure module comprises compound parallelogram flexure beams serving as input decoupling, which allows the output decoupling by employing the tridimensional double compound parallelogram flexure mechanism. Based on the analytical model of both the amplifier and the XY stage established in static and dynamic analysis, the dimensions and performance of the stage has been conducted, which are verified by finite element analysis with ANSYS Workbench and prototype experiment with the fabricated prototype of the designed stage. It can be seen that the workspace of the developed stage is m with the maximum output coupling errors of 0.693% and 0.637% in the y and x directions. The experimental results demonstrate that the proposed micropositioning stage possesses good performance in trajectory tracking and can achieve a wide range of precise positioning.

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Section: Introductionmentioning

confidence: 99%

Design, analysis and testing of a novel decoupled 2-DOF flexure-based micropositioning stage

Yang

Chen

Liu

et al. 2017

J. Micromech. Microeng.

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“…Microrobotic assembly demonstrates both high flexibility and precision through contact micromanipulation in an open environment with no need of electrical or optical interference [14][15][16]. By employing a micrometer-sized manipulator tip, every micromodule can be mechanically picked up and placed; the systems can thus achieve bottom-up assembly of biomimetic structure with microstructural features.…”

Section: Introductionmentioning

confidence: 99%

Contact assembly of cell-laden hollow microtubes through automated micromanipulator tip locating

Wang¹,

Shi²,

Guo³

et al. 2016

J. Micromech. Microeng.

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This paper presents an automated contact assembly method to fabricate a cell-laden microtube based on accurate locating of the micromanipulator tip. Essential for delivering nutrients in thick engineered tissues, a vessel-mimetic microtube can be precisely assembled through microrobotic contact biomanipulation. The biomanipulation is a technique to spatially order and immobilize cellular targets with high precision. However, due to image occlusion during contact, it is challenging to locate the micromanipulator tip for fully automated assembly. To achieve pixel-wise tracking and locating of the tip in contact, a particle filter algorithm integrated with a determined level set model is employed here. The model ensures precise convergence of the micromanipulator’s contour during occlusion. With the converged active contour, the algorithm is able to pixel-wisely separate the micromanipulator from the low-contrast background and precisely locate the tip with error around 1 pixel (2 µm at 4 × magnification). As a result, the cell-laden microtube is automatically assembled at six layers/min, which is effective enough to fabricate vessel-mimetic constructs for vascularization in tissue engineering.

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“…Micropositioning stages are essential devices in micro/nano applications such as nano scale profile measurement, 1 nanoimprint lithography, 2,3 micromachining, 4,5 microassembly, 6,7 etc. In these applications, the micropositioning stages are required to possess large travel ranges with high positioning accuracy.…”

Section: Introductionmentioning

confidence: 99%

A decoupled 2-DOF flexure-based micropositioning stage with large travel ranges

et al. 2013

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SUMMARYIn this paper, a new flexure-based micropositioning stage (FMPS) is proposed to achieve decoupled XY translational motions and large travel ranges. The stage consists of four independent kinematic chains, each comprising two flexure-beam prismatic joints. The mechanism with such a special topological structure enables the motions of the platform strictly along XY axes and minimizes the parasitic rotation in theta axis. The kinematics and dynamics analysis of the mechanism are conducted to evaluate the performance of the mechanism in terms of travel range, parasitic motions, linearity, as well as natural frequency. According to the developed models, a parameter optimization of the mechanism is performed under the condition of the maximum travel range. The finite element simulation is carried out to examine the mechanical performance and the theoretical models. The experimental results show that the proposed FMPS possesses a workspace of 600 × 600 μm2, a relative coupling error of 0.6%, and the natural frequencies of 209.7 Hz and 212.4 Hz for the first two modes.

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Manufacturing of a Hybrid Acoustic Transmitter Using an Advanced Microassembly System

Cited by 23 publications

References 15 publications

Design, analysis and testing of a novel decoupled 2-DOF flexure-based micropositioning stage

Design, analysis and testing of a novel decoupled 2-DOF flexure-based micropositioning stage

Contact assembly of cell-laden hollow microtubes through automated micromanipulator tip locating

A decoupled 2-DOF flexure-based micropositioning stage with large travel ranges

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