制程 温度 时间 Process Temperature Time 1. 酸性除油 1. Acid deoiling AC 70 85 - 130℉(30 to 55℃) 2 to 3 minutes 2. 二道水洗 Room Temp 2 to 4 minutes 2. Washing of second-procedure 3. 微蚀 3. Micro0etching Etch E50 70 - 75℉(20 to 25℃) 1 to 2 minutes 4. 二道水洗 Room Temp 2 to 4 minutes 4. Washing of second procedure 5. 预浸 5. Pre-dipping Activator 601 85 to 115℉ (30 to 45℃) 45 seconds to 1 minute 6. 化学镀锡 6. Electroless tin-plating Immersion Tin 40 140 to 160℉(60℃ to 70℃ ) 15 to 20 minutes 或orImmersion Tin 30 70 to 176℉(20 to 80℃ ) 15 to 35 minutes 7. 三道热纯水洗 7. Washing with hot and pure water of third procedure |
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