Laser sintering of direct write silver nano-ink conductors for microelectronic applications

Khan, Adeyl; Rasmussen, Nicholas; Marinov, V.; Swenson, Orven F.

doi:10.1117/12.759164

Cited by 15 publications

(9 citation statements)

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“…Some alternative methods for sintering are chemical densification [5], electrical [6], pressure, laser [7][8][9][10] and microwave sintering [11]. It takes a relatively long time to sinter a sheet, typically one to two hours in a convection oven.…”

Section: Introductionmentioning

confidence: 99%

“…In addition, the wavelength and absorption have an effect on penetration depth. Short pulse duration and selective sintering make it possible to treat only metal areas and produce less heat into the surrounding material [8][9][10]. Short pulse lasers are used typically for micromachining and ablation.…”

Section: Introductionmentioning

confidence: 99%

“…Resistivity for silver inks has been reported from 4 mO cm to hundreds times larger [12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%

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Low temperature nanoparticle sintering with continuous wave and pulse lasers

Kumpulainen

Pekkanen

Valkama

et al. 2011

Optics & Laser Technology

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Low temperature nanoparticle sintering with continuous wave and pulse lasers

Kumpulainen

Pekkanen

Valkama

et al. 2011

Optics & Laser Technology

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“…However, they are higher than Ag NP/G composite electrodes with 2D fillers (1.7 × 10 −7 Ω•m). These composite electrodes reach the same level of resistivity, 1.0 × 10 −7 Ω•m, of Ag NP ink with a silver concentration of 50 wt.% [38].…”

Section: Resultsmentioning

confidence: 84%

Electrical and Mechanical Properties of Ink Printed Composite Electrodes on Plastic Substrates

et al. 2018

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Printed flexible electrodes with conductive inks have attracted much attention in wearable electronics, flexible displays, radio-frequency identification, etc. Conventional conductive inks contain large amount of polymer which would increase the electrical resistivity of as-printed electrodes and require high sintering temperature. Here, composite electrodes without cracks were printed on polyimide substrate using binder-free silver nanoparticle based inks with zero-dimensional (activated carbon), one-dimensional (silver nanowire and carbon nanotube) or two-dimensional (graphene) fillers. The effect of fillers on resistivity and flexibility of printed composite electrodes were evaluated. The graphene filler could reduce the resistivity of electrodes, reaching 1.7 × 10−7 Ω·m after low power laser sintering, while the silver nanowire filler improved their flexibility largely during bending tests. The microstructural changes were examined to understand the nanojoining process and their properties.

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“…Due to its computer controlled nature, different designs can be easily made with just a change in programming and no requirement for hard tooling [1][2][3][4][5][6][7][8]. With no single dominant process, it is likely that several will emerge as the process of choice for any single component manufacturing process [10][11][12][13][14][15][16][17].…”

Section: Overview Of Direct Write Technology and The Purpose Of This mentioning

confidence: 99%

A predictive thermal dynamic model for parameter generation in the laser assisted direct write process

Shang¹,

Fearon²,

Wellburn³

et al. 2011

J. Phys. D: Appl. Phys.

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Declaration I hereby declare that this submission is my own work and that, to the best of my knowledge and belief, it contains no material previously published or written by another person nor material which to a substantial extent has been accepted for the award of any other degree or diploma of the University or other institute of higher learning, except where due acknowledgment has been made in the text: Signature Name: Shuo Shang Date: Friday 17 th August 2012 .

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Laser sintering of direct write silver nano-ink conductors for microelectronic applications

Cited by 15 publications

References 0 publications

Low temperature nanoparticle sintering with continuous wave and pulse lasers

Low temperature nanoparticle sintering with continuous wave and pulse lasers

Electrical and Mechanical Properties of Ink Printed Composite Electrodes on Plastic Substrates

A predictive thermal dynamic model for parameter generation in the laser assisted direct write process

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