Dear :

    依我們廠內作業經驗來看,1.金手指不能用酒精清潔.

                                                            2.含有Cl元素主

要原因是光手接觸金手指導致.

                                                            3.水清洗及回焊

爐過程中金手指有沒有被保護起來,

                                                                如果是水清

洗時與金手指接觸,那可以用高溫膠紙先貼起來.





Thank you for your support

Warmest Blessings

~~~~~~~~~~~~~~~~~~~~~~~~~~

Jimmy Kuo     郭   茂

Foxconn PCEG EPDI QE

TEL: 86-755-28128988   EXT: 86339

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                      agale_2008                                                                                                       

                      <[log in to unmask]             TO：                                                                               

                      OM>                       [log in to unmask]                                                                         

                                                    CC：                                                                               

                                                 主旨：                                                                                

                                                Re: [TGAsia] 金手指的污染问题                                                          

                      2008/12/12 PM                                                                                                    

                      06:13                                                                                                            

                      請回信 給 Asia                                                                                                   

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操作中的任何过程都会导致此类状况





在2008-12-11，HouToby <[log in to unmask]> 写道：



Hi All:



我们对金手指上的白色物质做了成分分析,发现其中含有Cl 元素,产品工艺流程:



回流焊---水清洗-----酒精清洁金手指-----装配, 现在还不知道怎么会有卤素跑到金

手指上的,各位大虾有什么高见















[IMAGE]



Best Regards!



Toby



Curtis Instruments China Co.,Ltd



86-512-68253070-859



86-512-68077767





















The PCB consists between the Gold (Au) and the nickel (Ni) surface chlorine

(Cl). But there should be no chlorine (Cl)!. The Chlorine destruct the gold

surface and build an oxid. The oxid makes a high resistance.





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