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                技術與支援

                2015-12-29
                如何選擇刮刀?
                • 選定刮刀長度
                –刮刀長度↘視其最大印刷寬度(L)決定,刮刀長度≒L+2x(10~20mm).
                • 選定刮刀硬度[HRC60(低)~HRC90(高)]
                –視被印物表面狀態決定: 一般最常用刮刀硬度HRC70.
                –被印物Ψ 表面斷差大(如綠漆印刷,被動元件保護層印★刷): 低硬度刮刀.
                –被印物表面平坦(如Touch panel塑料印刷,太陽能晶圓): 高硬度刮〓刀.
                刮刀硬度硬軟影響,刮刀對於被印物的形變能力. 
                • 選定刮刀角度[∠25°~∠90°]
                –相同網布,印刷條件下,刮刀『角度越大,則下◇墨量越多.
                –反之,刮刀角度越小,下墨▓量趨少.




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