如果是免洗工艺，如免洗锡膏、免洗波峰焊剂，没有必要测试离子污染，因为即使离子污染超标，产品的可靠性也没有问题；如果是水清洗工艺，必须测试离子污染。

--


吴波

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13602585865



在2010-03-25 09:41:26，"Frank Xiong" <[log in to unmask]> 写道：
> 
>不好意思，改一下主题。
>
>-----Original Message-----
>From: Frank Xiong [mailto:[log in to unmask]] 
>Sent: Thursday, March 25, 2010 9:39 AM
>To: 'Asia Committe Task Group Forum'
>Subject: RE: [TGAsia] 答复: [TGAsia] PCB阻焊剂的涂覆
>
> 
>大家好：
>
>请教大家一个问题：我们现在正请实验室用Omega Meter 600 SMD 来测试PCBA的离子污
>染度， 现想请教是否有那家专业实验室可以提供现场技术服务 / 同我们一起分析 可
>以做到“怎么样才能让PCBA离子污染度低“，也就是说让PCBA的表面洁净！！如果有测
>试结果超标，可以帮我们分析到是哪些制程会有影响！！谢谢！！
>
>We are doing an IC testing using Omega Meter 600 SMD from one testing lab,
>are there any professional testing labs to provide an "On Site Supervision
>Service" to help us achieve the final target: The cleanliness level of PCBA
>can meet GE custome requirment. Thanks for all of your help to provide such
>info.
>
>Best regards,
>Frank Xiong
>Quality Manager
>Trio Engineering Co., Ltd.
>Tel.:     (86) 20-8490 2933 Ext.257  
>Fax:     (86) 20-8490 2273              
>Mobile: (86) 158 1718 6845                     
>Email:  [log in to unmask]
>Web :   www.triohk.com.hk
>
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