The m4 3D printer: A multi-material multi-method additive manufacturing platform for future 3D printed structures

Roach, Devin J.; Hamel, Craig M.; Dunn, Conner K.; Johnson, Marshall V.; Xiao, Kun; Hu, Qi

doi:10.1016/j.addma.2019.100819

Cited by 101 publications

(80 citation statements)

References 39 publications

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“…And in March 2018, a team led by Jerry Qi, a materials engineer at Georgia Institute of Technology in Atlanta, unveiled a four-in-one printer. This combines a nozzle that extrudes molten polymer with one that prints light-sensitive resin, ready to be cured by ultraviolet lamps or lasers, and two that print wires and circuitry from tiny dots of metal 13 . The print heads work together to make integrated devices with circuits embedded on a rigid board or inside a flexible polymer enclosure.…”

Section: All Together Nowmentioning

confidence: 99%

3D printing gets bigger, faster and stronger

Zastrow¹

2020

Nature

106

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A s a metal platform rises from a vat of liquid resin, it pulls an intricate white shape from the liquid -like a waxy creature emerging from a lagoon. This machine is the world's fastest resin-based 3D printer and it can create a plastic structure as large as a person in a few hours, says Chad Mirkin, a chemist at Northwestern University in Evanston, Illinois. The machine, which Mirkin and his colleagues reported last October 1 , is one of a slew of research advances in 3D printing that are broadening the prospects of a technology once viewed as useful mainly for making small, low-quality prototype parts. Not only is 3D printing becoming faster and producing larger products, but scientists are coming up with innovative ways to print and are creating stronger materials, sometimes mixing multiple materials in the same product. 20 | Nature | Vol 578 | 6 February 2020 Feature © 2 0 2 0 S p r i n g e r N a t u r e L i m i t e d . A l l r i g h t s r e s e r v e d .

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Section: All Together Nowmentioning

confidence: 99%

3D printing gets bigger, faster and stronger

Zastrow¹

2020

Nature

106

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“…This is attributed to a significant progress in the accessible printer's process parameters like maximum printing temperature up to 500 • C and more. Current research focuses on the realization of multi-material printing systems and application in life science, biology and medicine [7][8][9] applying FFF and other 3D printing technologies. For the dissemination of 3D printing into new fields, the adaption of the printing process to non-standard materials is mandatory, like in construction [10] or the exploitation of mechanical properties in devices applying metals or ceramics [11][12][13].…”

Section: Introductionmentioning

confidence: 99%

3D Printing of ABS Barium Ferrite Composites

2020

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In this work, a process for the realization of new polymer matrix composites with nanosized barium ferrite (BaFe12O19) as ferrimagnetic filler, acryl butadiene styrene (ABS) as polymer matrix and an extrusion-based method, namely fused filament fabrication (FFF), as 3D printing method will be described comprehensively. The whole process consists of the individual steps material compounding, rheological testing, filament extrusion, 3D-printing via FFF and finally a widespread specimen characterization regarding to appearance, mechanical properties like tensile and bending behavior as well as the aspired magnetic properties. Increasing ferrite amounts up to 40 vol.% (equal 76 wt.%) cause a reduction of the ultimate stress and an increase of the magnetic polarization as well as of the energy product (BH)max in comparison to the pure polymer matrix. In addition, an extensive discussion of typical printing defects and their consequences on the device properties will be undertaken.

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“…By hybridization of independent processes, a fabrication of a functional device is enabled. Currently, such combinations include fused filament fabrication and liquid metals, electroforming, direct ink writing, aerosol jet, [23][24][25][26][27][28][29][30] stereolithography with coatings, conductive adhesives, ink jet [29,[31][32][33][34] and selective laser melting and electrochemical plating. [35] However, most of these methods are limited in the throughput, material variety and resolution of the conductive tracks due to the limitations of ink based conductive printing.…”

Section: Introductionmentioning

confidence: 99%

Hybrid structural electronics printing by novel dry film stereolithography and laser induced forward transfer

Levy

Toker²,

Winter³

et al. 2021

Nano Select

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3D printing has seen much progress in recent decades with the introduction of new materials and printing techniques. This article describes the combination of a novel, stereolithography (SLA) based method for structural material buildup with laser induced forward transfer (LIFT) printing of conductive and resistive elements and placement of commercial active and passive components for the additive manufacturing of 3D functional electronic devices. The structural material is composed of dry film photoresists that are exposed and laminated to form a stack which is later developed to remove unexposed area and reveal the desired free form shape. Interconnection using pillar penetration between the structural layers is described in detail. Several examples of functional objects (lamp, microphone) demonstrate the practicality of this novel, multi material printing method.

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The m4 3D printer: A multi-material multi-method additive manufacturing platform for future 3D printed structures

Cited by 101 publications

References 39 publications

3D printing gets bigger, faster and stronger

3D printing gets bigger, faster and stronger

3D Printing of ABS Barium Ferrite Composites

Hybrid structural electronics printing by novel dry film stereolithography and laser induced forward transfer

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