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Temperature-Dependent Reliability of Inkjet-Printed Structures in Constant-Humidity Environment

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Inkjet technology has shortened the processing time for current electronic components and minimizes material waste during their manufacture. Inkjet-printed nano silver ink IC interconnections are presented, but their reliability at varying temperatures as well as the evaluation of their reliability after humidity tests is not exhaustively explored. In this paper, we investigated the reliability of inkjet-printed interconnections from a variable environmental point of view. We tested nano silver inkjet-printed interconnections at 85°C in 85% RH for 1,000 hours for humidity evaluation and for 1,000 cycles from −40°C to 125°C to investigate temperature-cycling-based failures in combination with JEDEC Test Standards. Greek cross-structure, which is commonly used in the semiconductor industry, was used to evaluate fluctuation of the conductivity value after variable environment conditions. On the basis of the measurements obtained, we related electrical values before and after the tests using the Greek cross-structure. Also, the printing resolution of the inkjet-printed structures and the effect of these structures on the environmental reliability in the mentioned test runs were evaluated. The results of the temperature cycling test and of the humidity test show that the inkjet-printed silver structures have a good degree of reliability.
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Document Type: Research Article

Publication date: 2008-01-01

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  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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