Inkjet-printing of nonsintered alumina-resin hybrid films and their dielectric properties

Myung Sung Hwang, Jihoon Kim, Hyo Tae Kim, Youngjoon Yoon, Sangil Hyun, Jonghee Kim, Sung Nam Lee, Jooho Moon

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Abstract

We used the inkjet printing method to fabricate alumina-resin hybrid films without a high temperature sintering process. The dielectric properties of the alumina-resin hybrid films were studied in order to assess if the alumina-resin hybrid films are applicable to the electronic package substrates. Various numerical models were introduced to understand the relative permittivity of the alumina-resin hybrid films. Q-values of the alumina-resin hybrid films are also measured and compared to the commercially available substrate materials. The impact of microvoids on the Q-value of the inkjet-printed alumina-resin hybrid films was also studied. The microstructures of the inkjet-printed hybrid materials were investigated in order to confirm if the microvoids in the films were filled with the resin.

Original languageEnglish
Article number102809
JournalJournal of Applied Physics
Volume108
Issue number10
DOIs
Publication statusPublished - 2010 Nov 15

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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