Laser printing of conformal and multi-level 3D interconnects

Kim, Heung Soo; Duocastella, Martí; Charipar, Kristin M.; Auyeung, R. C. Y.; Piqué, Alberto

doi:10.1007/s00339-013-7909-7

Cited by 38 publications

(16 citation statements)

References 10 publications

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“…Out‐of‐plane or 3D structures useful for vertical interconnect applications (known as vias) can be generated with LIFT by repeated transfers over the same location in order to stack each voxel on top of each other . LIFT can also be used to generate 3D microstructures that fold along an edge, thus allowing the printing of interconnects alongside two orthogonal planes on the same substrate . This is accomplished by adjusting the laser energy required to release the voxel from the donor substrate enabling the voxel to fold along the edge of a substrate and thus make contact on two distinct surfaces perpendicular to each other.…”

Section: Applicationsmentioning

confidence: 99%

Laser‐Induced Forward Transfer: Fundamentals and Applications

Serra

Piqué

2018

Adv Materials Technologies

255

191

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Laser‐induced forward transfer (LIFT) is a digital printing technique that uses a pulsed laser beam as the driving force to project material from a donor thin film toward the receiving substrate whereon that material will be finally deposited as a voxel. This working principle allows LIFT to operate with both solid and liquid donor films, which provides the technique with an unprecedented broad spectrum of printable materials, and thus makes it very competitive over other digital technologies, like inkjet printing. It is not only that LIFT can access a much wider range of ink viscosities and loading particle sizes; the possibility of printing from solid films allows the single‐step printing of multilayers and entire devices, and even makes possible 3D printing. This versatility translates, in turn, into a broad field of applications, from graphics production to printed electronics, from the fabrication of chemical sensors to tissue engineering. This monograph provides an extensive review of the LIFT technique, from its origins to the most recent achievements, focusing on the fundamental aspects of both its working principle and transfer dynamics, as well as on its broad range of applications.

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Section: Applicationsmentioning

confidence: 99%

Laser‐Induced Forward Transfer: Fundamentals and Applications

Serra

Piqué

2018

Adv Materials Technologies

255

191

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“…Thus, printing of precise patterns by inkjet is very difficult due to the variable behavior of fluids on different types of surfaces and their unstable wetting effects [54,55]. Recently, LIFT has been applied to print high viscosity pastes by laser-decal transfer (LDT) [56][57][58][59][60][61][62][63]. The LDT process is a new type of direct-writing techniques in which voxel shape and size become controllable parameters, allowing the creation of thin-film like structures for a wide range of applications, such as 3D interconnects, free-standing structures, metamaterials, membranes and circuit repair.…”

Section: Printing Of Energy Storage Materials By Laser-induced Forwarmentioning

confidence: 99%

Laser Materials Processing for Energy Storage Applications

Kim¹,

Smyrek²,

Zheng³

et al. 2018

Pulsed Laser Ablation

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This chapter will review the use of laser-based material processing techniques, such as pulsed laser deposition (PLD), laser-induced-forward transfer (LIFT), and materials processing via 3D laser structuring (LS) and laser annealing (LA) techniques for energy storage applications. PLD is a powerful tool for fabricating high-quality layers of materials for cathodes, anodes and solid electrolytes for thin-film microbatteries. LIFT is a versatile technique for printing complex materials with highly porous structures for the fabrication of micropower sources, such as ultracapacitors and thick-film batteries. LS is a recently developed technique for modifying the active material by forming advanced 3D electrode architectures and increasing the overall active surface area. LA is a rapid technology for adjusting the crystalline battery phase and for controlling the grain size on micro and nano scale. This chapter will review recent work using these laser-processing techniques for the fabrication of micropower sources and lessons learned from the characterization of their electrochemical properties.

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“…40 LIFT has been recently employed to print high viscosity pastes that reproduce the shape of the laser spot. [41][42][43][44][45][46][47] This process, referred to as laser-decal transfer, offers a new approach to direct-writing techniques, in which voxel shape and size become controllable parameters, allowing the generation of thin-film like structures for a wide range of applications, such as 3-D interconnects, metamaterials, free-standing structures, membranes, and circuit repair. The ability to modify the voxel shape and size according to the desired final pattern allows an increase in the resolution and speed of the printing process.…”

Section: Laser-induced Forward Transfer For Micropower Sourcesmentioning

confidence: 99%

“…Details of the LIFT process have been described elsewhere. [41][42][43][44][45][46][47][48][49][50][51][52][53][54][55][56] In the electrode formulation, graphite (KS6) is added to improve the electric conductivity and carbon black (Super P) is added to increase the porosity in the electrode films. The polyvinylidene fluoride hexafluoropropylene (PVDF-HFP) is used as a binder to hold the electrode films onto current collectors.…”

Section: Laser-induced Forward Transfer Of Thick-film Microbatteriesmentioning

confidence: 99%

Laser materials processing for micropower source applications: a review

2014

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This paper reviews recent work on the fabrication of energy storage and power generation using laser-based processes such as pulsed laser deposition (PLD), laser-induced forward transfer (LIFT), and laser surface processing techniques. PLD is a versatile technique for depositing high-quality layers of materials for cathodes, anodes, and solid electrolytes for thin-film microbatteries. Using sequential PLD processes, solid-state thin-film lithium-ion microbatteries can be successfully fabricated. LIFT is a powerful tool for printing complex materials with highly porous structures for the fabrication of micropower sources such as thick-film batteries and metal oxide-based solar cells. In particular, using the LIFT process it is possible to print thick layers (∼100 μm) while maintaining pattern integrity and low-internal resistance. As a consequence, power sources fabricated in this manner exhibit higher energy densities per unit area than those obtained by traditional thin-film growth techniques. In addition, the printed active materials can be modified by postlaser processes, such as laser sintering and laser structuring, to further improve the device performance by enhancing the electrodes' three-dimensional networked structure and increasing the overall active surface, respectively. This review will discuss various examples where laser materials' processing has led to new approaches in the development of micropower sources applications. © The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Laser printing of conformal and multi-level 3D interconnects

Cited by 38 publications

References 10 publications

Laser‐Induced Forward Transfer: Fundamentals and Applications

Laser‐Induced Forward Transfer: Fundamentals and Applications

Laser Materials Processing for Energy Storage Applications

Laser materials processing for micropower source applications: a review

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