Printing Force Effect on Conductive Silver Tracks: Geometrical, Surface, and Electrical Properties
Printing Force Effect on Conductive Silver Tracks: Geometrical, Surface, and Electrical Properties
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DOI:
10.1007/s11665-012-0245-9
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发表时间:
2013-02-01
影响因子:
2.3
通讯作者:
Blayo, Anne
中科院分区:
文献类型:
--
作者:
Faddoul, Rita;Reverdy-Bruas, Nadege;Blayo, Anne
This study provides a quantitative contribution to the determination of the printing force effect on silver tracks properties deposited by screen-printing. A water-based silver paste containing 75% of silver particles was formulated and printed by screen-printing process. Printing force effect on line definition, thickness, width, roughness, and on electrical properties was evaluated. A minimum theoretical line width of 100 mu m was aimed. A 114 mu m width and 14 mu m thickness was achieved with a printing load of 5 kg. It was demonstrated that higher forces were needed to enhance line definition and to print thicker and narrower lines. On the other hand, it was shown that printing pressure had no effect on line roughness and electrical conductivity of printed lines, after sintering. Electrical resistivity values varied from 18 x 10(-9) to 30 x 10(-9) Omega.m after sintering. Sheet resistance was also measured on sintered printed films. It varied from 4.5 to 5.9 m.Omega/square for thicknesses varying from 3.9 to 6.6 mu m.