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Evaluation of screen printed silver trace performance and long-term reliability against environmental stress on a low surface energy substrate

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Evaluation of screen printed silver trace performance and long-term reliability against environmental stress on a low surface energy substrate. / Mikkonen, Riikka; Mäntysalo, Matti.

In: Microelectronics Reliability, Vol. 86, 01.07.2018, p. 54-65.

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@article{5e7fe56887924068b00353f84ced2eaa,
title = "Evaluation of screen printed silver trace performance and long-term reliability against environmental stress on a low surface energy substrate",
abstract = "Otherwise attractive substrate materials for printed electronics may have such surface characteristics that make patterning challenging. This article focuses on the printability and performance characterization of conductive patterns on a low surface energy substrate. Surface characteristics of a hydrophobic polyphenylene ether (PPE) substrate and the effects of surface modification using chemical and physical pre-treatments were studied. In addition, silver ink performance and its reliability on this substrate were evaluated. The surface was characterized by surface energy measurements and surface profile analysis. Screen-printed test patterns were characterized to evaluate print quality and electrical and mechanical performance. A further inspection of substrate-ink interactions was conducted using environmental reliability tests. It was observed that ink adhesion could be significantly promoted by choosing a suitable surface pre-treatment method. Low sheet resistances were obtained, and thus, suitable inks for further characterization were found. In addition, it was observed that environmental stress has a significant impact on ink-substrate interactions.",
keywords = "Adhesion, Environmental stress, PPE, Printed electronics, Reliability, Surface modification",
author = "Riikka Mikkonen and Matti M{\"a}ntysalo",
year = "2018",
month = "7",
day = "1",
doi = "10.1016/j.microrel.2018.05.010",
language = "English",
volume = "86",
pages = "54--65",
journal = "Microelectronics Reliability",
issn = "0026-2714",
publisher = "Elsevier",

}

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TY - JOUR

T1 - Evaluation of screen printed silver trace performance and long-term reliability against environmental stress on a low surface energy substrate

AU - Mikkonen, Riikka

AU - Mäntysalo, Matti

PY - 2018/7/1

Y1 - 2018/7/1

N2 - Otherwise attractive substrate materials for printed electronics may have such surface characteristics that make patterning challenging. This article focuses on the printability and performance characterization of conductive patterns on a low surface energy substrate. Surface characteristics of a hydrophobic polyphenylene ether (PPE) substrate and the effects of surface modification using chemical and physical pre-treatments were studied. In addition, silver ink performance and its reliability on this substrate were evaluated. The surface was characterized by surface energy measurements and surface profile analysis. Screen-printed test patterns were characterized to evaluate print quality and electrical and mechanical performance. A further inspection of substrate-ink interactions was conducted using environmental reliability tests. It was observed that ink adhesion could be significantly promoted by choosing a suitable surface pre-treatment method. Low sheet resistances were obtained, and thus, suitable inks for further characterization were found. In addition, it was observed that environmental stress has a significant impact on ink-substrate interactions.

AB - Otherwise attractive substrate materials for printed electronics may have such surface characteristics that make patterning challenging. This article focuses on the printability and performance characterization of conductive patterns on a low surface energy substrate. Surface characteristics of a hydrophobic polyphenylene ether (PPE) substrate and the effects of surface modification using chemical and physical pre-treatments were studied. In addition, silver ink performance and its reliability on this substrate were evaluated. The surface was characterized by surface energy measurements and surface profile analysis. Screen-printed test patterns were characterized to evaluate print quality and electrical and mechanical performance. A further inspection of substrate-ink interactions was conducted using environmental reliability tests. It was observed that ink adhesion could be significantly promoted by choosing a suitable surface pre-treatment method. Low sheet resistances were obtained, and thus, suitable inks for further characterization were found. In addition, it was observed that environmental stress has a significant impact on ink-substrate interactions.

KW - Adhesion

KW - Environmental stress

KW - PPE

KW - Printed electronics

KW - Reliability

KW - Surface modification

U2 - 10.1016/j.microrel.2018.05.010

DO - 10.1016/j.microrel.2018.05.010

M3 - Article

VL - 86

SP - 54

EP - 65

JO - Microelectronics Reliability

JF - Microelectronics Reliability

SN - 0026-2714

ER -