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Fabrication of Photoimageable Silver Paste for Low-Temperature Cofiring Using Acrylic Binder Polymers and Photosensitive Materials  

Park, Seong-Dae (High Frequency Materials Research Center, Korea Electronics Technology Institute)
Yoo, Myong-Jae (High Frequency Materials Research Center, Korea Electronics Technology Institut)
Kang, Nam-Kee (High Frequency Materials Research Center, Korea Electronics Technology Institut)
Park, Jong-Chul (High Frequency Materials Research Center, Korea Electronics Technology Institut)
Lim, Jin-Kyu (Department of Chemistry & Material Science, Hanyang University)
Kim, Dong-Kook (Department of Chemistry & Material Science, Hanyang University)
Publication Information
Macromolecular Research / v.12, no.4, 2004 , pp. 391-398 More about this Journal
Abstract
Thick-film photolithography is a new technology that combines lithography processes, such as exposure and development, with the conventional thick-film process applied to screen-printing. In this study, we developed a low-temperature cofireable silver paste applicable for thick-film processing to form fine lines using photolitho-graphic technologies. The optimum paste composition for forming fine lines was investigated. The effect of processing parameters, such as the exposing dose, had on the fine-line resolution was also investigated. As the result, we found that the type of polymer and monomer, the silver powder loading, and the amount of photoinitiator were the main factors affecting the resolution of the fine lines. The developed photoimageable silver paste was printed on a low-temperature cofireable green sheet, dried, exposed, developed in an aqueous process, laminated, and then fired. Our results demonstrate that thick-film fine lines having widths < 20 $\mu\textrm{m}$ can be obtained after cofiring.
Keywords
photoimageable; silver paste; low-temperature cofiring; thick-film photolithography; fine-line resolution;
Citations & Related Records

Times Cited By Web Of Science : 2  (Related Records In Web of Science)
Times Cited By SCOPUS : 2
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