Surface metallization on high temperature liquid-crystal-polymer film by uv-irradiation process

Takeharu Sugiyama, Yosuke Iimori, Kunihiro Baba, Mitsuhiro Watanabe, Hideo Honma

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

A highly adherent Cu-Ni-P film was successfully grown on a UV-irradiated liquid-crystal-polymer (LCP) film. Irradiation from a UV light under an atmospheric condition created hydrophilic nanometer-scale roughness on the LCP film surface by introducing hydrophilic groups on the surface. The high adhesion strength of more than 0.8 kN/m was obtained because of the anchoring effect of the nanometer-scale roughness developed at the interface between the deposited metal and the LCP film. Copper circuit patterns formed on the LCP film showed satisfactory performance for various reliability tests. Fine circuit formation and selective plating facilitated by UV irradiation could lead to a manufacturing approach for the next generation of flexible-printed-circuit technology.

Original languageEnglish
JournalJournal of the Electrochemical Society
Volume156
Issue number9
DOIs
Publication statusPublished - Aug 7 2009
Externally publishedYes

Fingerprint

Liquid crystal polymers
Metallizing
Polymer films
liquid crystals
Irradiation
irradiation
polymers
Surface roughness
roughness
Temperature
Printed circuits
Networks (circuits)
Bond strength (materials)
Plating
Ultraviolet radiation
printed circuits
Copper
meteorology
plating
Metals

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films
  • Electrochemistry
  • Materials Chemistry

Cite this

Surface metallization on high temperature liquid-crystal-polymer film by uv-irradiation process. / Sugiyama, Takeharu; Iimori, Yosuke; Baba, Kunihiro; Watanabe, Mitsuhiro; Honma, Hideo.

In: Journal of the Electrochemical Society, Vol. 156, No. 9, 07.08.2009.

Research output: Contribution to journalArticle

Sugiyama, Takeharu ; Iimori, Yosuke ; Baba, Kunihiro ; Watanabe, Mitsuhiro ; Honma, Hideo. / Surface metallization on high temperature liquid-crystal-polymer film by uv-irradiation process. In: Journal of the Electrochemical Society. 2009 ; Vol. 156, No. 9.
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