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Date: | Wed, 15 Jun 2011 17:25:26 +0800 |
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Dear Jeff
可以參考IPC 1601 3.4.4 下表一的建議值
熱風整平 HASL 105-125度 4-6小時 注意事項=>詳見內容說明
BR
Leo
-----Original Message-----
From: TGAsia [mailto:[log in to unmask]] On Behalf Of Liu, Jeff
Sent: Wednesday, June 15, 2011 5:04 PM
To: [log in to unmask]
Subject: [TGAsia] 喷锡板烘烤研究
各位兄弟姐妹们,
喷锡板是否可以烘烤?有些公司规定喷锡板不可以烘烤,原因是怕烘烤造成铜锡金相降低PCB的可焊性,那么是否有IPC的相关标准可以参考?同时,多高的温度和驻留时间会造成PCB的可焊性降低呢?有谁进行过这方面的研究吗?是否可以跟大家分享一下?
Jeff Liu
Quality Assure Dept.
Viasystems (Shanghai)
Tel: 86 21 6917 9268
e-Mail: [log in to unmask]
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