本文來自專業焊錫廠綠誌島焊錫金屬有限公司 2015-9-30
助焊劑用於輔助焊接,按照正常的焊錫技術流程,助焊劑在焊後會有物質殘留在PCBbanshang。duiyuhanxigongyiyaoqiugaodeyinzhiban,shiyongdebuguanshihanxisidenghanxicailiaohaishizhuhanji,douxuyaoduiqipinzhizuoyangeguankong。nameduizhuhanjihuichanshengdecanliuwuzhi,jiangzuonaxieceshine,qiceshizuoyongyoushishenmene?
綠lv誌zhi島dao非fei常chang自zi信xin自zi己ji出chu品pin的de助zhu焊han劑ji品pin質zhi能neng得de用yong戶hu信xin賴lai,也ye會hui嚴yan格ge要yao求qiu自zi己ji生sheng產chan的de助zhu焊han劑ji的de各ge項xiang指zhi標biao。下xia麵mian綠lv誌zhi島dao來lai介jie紹shao一yi下xia綠lv誌zhi島dao的de助zhu焊han劑ji都dou需xu要yao做zuo哪na些xie測ce試shi。
1.銅鏡腐蝕測試:測試助焊劑的短期腐蝕性;
2.鉻酸銀試紙測試:測試助焊劑中鹵化物的含量;
3.表麵絕緣電阻測試:測試焊接後PCB板的表麵絕緣電阻,以確保助焊劑的長期電學性能的可靠性;
4.腐蝕性測試:測試焊接後助焊劑在PCB板表麵的殘留物的腐蝕性;
5.電遷移測試:測試焊接後PCB表麵導體間距減小的程度。
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助焊劑的主要成分和用途
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