3D-printed microelectronics for integrated circuitry and passive wireless sensors

Wu, Sung Yueh; Yang, Chen; Hsu, Wensyang; Liu, Lin

doi:10.1038/micronano.2015.13

Cited by 233 publications

(184 citation statements)

References 28 publications

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“…suspensions in which the carrier remains liquid after infusion (Ota et al, 2016); 2. suspensions in which the carrier solidifies after infusion (Czyzewski et al, 2009;Vatani et al, 2015), e.g. by light curing (Vatani et al, 2015), resin developing (Muth et al, 2014) or evaporation of solvents (Pella); and 3. suspensions in which the carrier evaporates after infusion (Ko et al, 2010;Wu et al, 2015;Harada et al, 2014).…”

Section: Infused Conductorsmentioning

confidence: 99%

“…regular wiring, printed circuit boards or entire sensors; 2. conductor infusion, i.e. printing channels in otherwise non-conductive materials by arbitrary AM methods with subsequent infusion of conductive inks (Wu et al, 2015); and 3. multi-material printing, i.e. combining the use of conductive and non-conductive filaments (Leigh et al, 2012), predominantly by fused deposition modelling (FDM).…”

Section: Current Technology For Embedded Sensorsmentioning

confidence: 99%

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Embedded sensing: integrating sensors in 3-D printed structures

Dijkshoorn

Werkman

Welleweerd

et al. 2018

J. Sens. Sens. Syst.

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Abstract. Current additive manufacturing allows for the implementation of electrically interrogated 3-D printed sensors. In this contribution various technologies, sensing principles and applications are discussed. We will give both an overview of some of the sensors presented in literature as well as some of our own recent work on 3-D printed sensors. The 3-D printing methods discussed include fused deposition modelling (FDM), using multi-material printing and poly-jetting. Materials discussed are mainly thermoplastics and include thermoplastic polyurethane (TPU), both un-doped as well as doped with carbon black, polylactic acid (PLA) and conductive inks. The sensors discussed are based on biopotential sensing, capacitive sensing and resistive sensing with applications in surface electromyography (sEMG) and mechanical and tactile sensing. As these sensors are based on plastics they are in general flexible and therefore open new possibilities for sensing in soft structures, e.g. as used in soft robotics. At the same time they show many of the characteristics of plastics like hysteresis, drift and non-linearity. We will argue that 3-D printing of embedded sensors opens up exciting new possibilities but also that these sensors require us to rethink how to exploit non-ideal sensors.

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Section: Infused Conductorsmentioning

confidence: 99%

Section: Current Technology For Embedded Sensorsmentioning

confidence: 99%

Embedded sensing: integrating sensors in 3-D printed structures

Dijkshoorn

Werkman

Welleweerd

et al. 2018

J. Sens. Sens. Syst.

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show abstract

“…Additive manufacturing and three-dimensional (3D) printing have improved access to and flexibility of highquality fabrication technology with profound impact on a number of industries 1 , including automotive, electronics [2][3][4] , aerospace, bio-engineering 5,6 , and microfluidics 7 . Complex to fabricate optical devices [8][9][10] and systems can similarly benefit from the ability of 3D printing to create low-cost structures of nearly arbitrary shape 11,12 .…”

Section: Introductionmentioning

confidence: 99%

3D printed optics with nanometer scale surface roughness

Vaidya

Solgaard

2018

Microsyst Nanoeng

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Complex optical devices including aspherical focusing mirrors, solar concentrator arrays, and immersion lenses were 3D printed using commercial technology and experimentally demonstrated by evaluating surface roughness and shape. The as-printed surfaces had surface roughness on the order of tens of microns. To improve this unacceptable surface quality for creating optics, a polymer smoothing technique was developed. Atomic force microscopy and optical profilometry showed that the smoothing technique reduced the surface roughness to a few nanometers, consistent with the requirements of high-quality optics, while tests of optical functionality demonstrated that the overall shapes were maintained so that near theoretically predicted operation was achieved. The optical surface smoothing technique is a promising approach towards using 3D printing as a flexible tool for prototyping and fabrication of miniaturized high-quality optics.

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“…The applications for such conductive filaments can be numerous [12]. They can be used to build sensors, integrated circuitry and for the production of low cost wearable materials that can pass on signals and data for health control.…”

Section: D Disseminationmentioning

confidence: 99%

Making ideas at scientific fabrication laboratories

Fonda

Canessa

2016

Phys. Educ.

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Creativity, together with the making of ideas into fruition, is essential for progress. Today the evolution from an idea to its application can be facilitated by the implementation of Fabrication Laboratories, or FabLabs, having affordable digital tools for prototyping. FabLabs aiming at scientific research and invention are now starting to be established inside Universities and Research Centers. We review the setting up of the ICTP Scientific FabLab in Trieste, Italy, give concrete examples on the use in physics, and propose to replicate world-wide this class of multi-purpose workplaces within academia as a support for physics and math education and for community development.Keywords: Science, Technology & Society; 3D Printing; Physics Education; Sustainable Development OverviewCreativity and the conception of new thoughts, together with the action of bringing these ideas to reality, is essential for human growth and development. It is an ability that we all have and that we can cultivate with practice [1]. Furthermore, "Scientific thought, and its creation, is the common and shared heritage of mankind" -as quoted by Prof. A Salam, during the 1979 Nobel Prize in physics' ceremony [2]. Creative thinking needs to be nurtured and encouraged at all ages. The evolution from a creative expression to innovative applications for the benefit of the society, can today be facilitated by the implementation of small-scale Fabrication Laboratories, or FabLabs, offering (say, a more personal) digital fabrication facilities.Learning happens in an authentic, engaging, personal context in which one goes through a cycle of imagination, design, prototyping, reflection, and iteration as one finds solutions to challenges or bring ideas to life. FabLabs, having affordable digital tools for prototyping [3][4][5], should start to be established also at Universities and Research Centers. There are two main reasons to encourage these novel initiatives. One is the fact that most of the logistics needed for FabLabs are already present in these places -like safety control and policies, adequate space and facilities, skilled personnel and financial support to run the structure and make the usage as free and open as possible. The second reason is the aim to foster the interaction between academics, students and the society -as an extra, and rich source for the input of new ideas to be developed together with professionals, playing the role of a more enriched FabLab environment for the benefit of all.We briefly review here our experiences with the first year of activities within the Scientific Fabrication Laboratory (SciFabLab) of the ICTP in Trieste, Italy. We propose to replicate this class of multipurpose workplace at Universities and Research Centers in developing countries -which is today feasible because of the unprecedented technological developments and the affordable costs involved. We discuss how SciFabLabs can be a open place to learn, and get notions of science, beyond the traditional classrooms and without limits.

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3D-printed microelectronics for integrated circuitry and passive wireless sensors

Cited by 233 publications

References 28 publications

Embedded sensing: integrating sensors in 3-D printed structures

Embedded sensing: integrating sensors in 3-D printed structures

3D printed optics with nanometer scale surface roughness

Making ideas at scientific fabrication laboratories

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