エレクトロニクス実装学会誌
Online ISSN : 1884-121X
Print ISSN : 1343-9677
ダイレクトメタリゼーション法による導電性微粒子の作製
吉田 博次縄舟 秀美水本 省三
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2001 年 4 巻 6 号 p. 528-530

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A new conducting method of ultrafine polymer particles by using direct metallization technology was proposed in this paper. Carboxyl groups, as a cation exchange group, were formed onto the particle surfaces through NaOH hydrolysis treatment. Nickel ions absorbed to the cation exchange groups were reduced by sodium borohydride. Size of metal nickel nuclei after the reduction treatment depended on pH, particle concentration, and sodium borohydride concentration. In an acid solution, minute metal nickel nuclei deposited on the particle surfaces. Subsequent electroless Ni-P plating could form complete Ni films on the surfaces of particles reduced in the acid solution.

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