Rapid laser sintering of metal nano-particles inks

Oleg Ermak; Michael Zenou; Gil Bernstein Toker; Jonathan Ankri; Yosi Shacham-Diamand; Zvi Kotler

doi:10.1088/0957-4484/27/38/385201

Rapid laser sintering of metal nano-particles inks

Oleg Ermak, Michael Zenou, Gil Bernstein Toker, Jonathan Ankri, Yosi Shacham-Diamand, Zvi Kotler

School of Electrical Engineering

Orbotech Ltd.

Research output: Contribution to journal › Article › peer-review

41 Scopus citations

Abstract

Fast sintering is of importance in additive metallization processes and especially on sensitive substrates. This work explores the mechanisms which set limits to the laser sintering rate of metal nano-particle inks. A comparison of sintering behavior of three different ink compositions with laser exposure times from micro-seconds to seconds reveals the dominant factor to be the organic content (OC) in the ink. With a low OC silver ink, of 2% only, sintering time falls below 100 μs with resistivity <×4 bulk silver. Still shorter exposure times result in line delamination and deformation with a similar outcome when the OC is increased.

Original language	English
Article number	385201
Journal	Nanotechnology
Volume	27
Issue number	38
DOIs	https://doi.org/10.1088/0957-4484/27/38/385201
State	Published - 11 Aug 2016

Keywords

laser induced heating
metallization
organic electronics
silver nano particles
sintering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1088/0957-4484/27/38/385201

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abstract = "Fast sintering is of importance in additive metallization processes and especially on sensitive substrates. This work explores the mechanisms which set limits to the laser sintering rate of metal nano-particle inks. A comparison of sintering behavior of three different ink compositions with laser exposure times from micro-seconds to seconds reveals the dominant factor to be the organic content (OC) in the ink. With a low OC silver ink, of 2% only, sintering time falls below 100 μs with resistivity <×4 bulk silver. Still shorter exposure times result in line delamination and deformation with a similar outcome when the OC is increased.",

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AU - Zenou, Michael

AU - Toker, Gil Bernstein

AU - Ankri, Jonathan

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AU - Kotler, Zvi

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AB - Fast sintering is of importance in additive metallization processes and especially on sensitive substrates. This work explores the mechanisms which set limits to the laser sintering rate of metal nano-particle inks. A comparison of sintering behavior of three different ink compositions with laser exposure times from micro-seconds to seconds reveals the dominant factor to be the organic content (OC) in the ink. With a low OC silver ink, of 2% only, sintering time falls below 100 μs with resistivity <×4 bulk silver. Still shorter exposure times result in line delamination and deformation with a similar outcome when the OC is increased.

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Rapid laser sintering of metal nano-particles inks

Abstract

Keywords

UN SDGs

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