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1.线路缺损:干膜在产品转运过程中,触碰到尖利的东西,导致干膜松动但未脱落,DES时药液渗入,将铜面蚀刻掉,但根部有铜箔;2.焊盘断裂:从不良图片可以看出此产品断裂产生原... 1.线路缺损:干膜在产品转运过程中,触碰到尖利的东西,导致干膜松动但未脱落,DES时药液渗入,将铜面蚀刻掉,但根部有铜箔;
2.焊盘断裂:从不良图片可以看出此产品断裂产生原因主要为FPC焊接或焊接 后工序人员作业操作不当(烙铁温度过高,焊锡时间太长)或受严重外力撞击造成。因为FPC每个焊盘敝司都有做100%电性测试,若有断裂现象则测试会NG,另外若是敝司产生的,最大的可能就是产品受到严重的外力撞击才会出现断裂,如果是此原因产生的,焊盘周围和背面的胶纸会相应的受到损伤出现折痕,但从图片此看,均无此现象,故不良不是我司产生;烦请客户协助调查原因。
1.线路缺损:贴合干膜的产品在转运过程中必须使用物料框转运,且放置的产品不能超过2LOT,以免将干膜松动、擦伤;3.29已经实施 责任人
2.焊盘断裂:敝司都有做100%电性测试,经过电测产品会留有电测防呆针印记, 若有断裂(开路)现象则测试会NG。
-- 代表开路 C1 代表线路 U5 代表第5个产品说明:第5个产品179与180两点开路
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y1150567642
2011-04-27
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1. Line defect: dry film in product transfer process, touches the sharp things, causing dry film loose but not to fall off, DES liquids infiltration, when bronze surface etching away, but the roots have copper foil;

2. Pad fracture: see this from bad graphics can cause major product fault for FPC welding or after soldering process people homework improper operation (solder iron temperature is exorbitant, soldering time too long) or serious impact that force. Because FPC each pad our company have do 100% electrical testing, if there is cracking phenomena are test will NG, another if our company produces, the biggest possible serious external is product impact will appear rupture, if be this reason of generation, pad on the back of the tape will be around and the corresponding damage from the pictures, but appear crease the look, there are no this phenomenon, so bad not we produce; Please customers help investigate reasons.

1. Line defect: joint dry film products during the transfer process must use material box, and placed product transfer, lest will no more than 2LOT dry film looseness and bruises; 3.29 already implemented partners

2. Welding plate fracture: our company have do 100% electrical test, after electrical measurement is the product will leave electrical measurement mark, if have stayed needle fracture (open) phenomenon is test will NG.

-- represent open C1 representatives represent the first five line U5 product details: the first 5 product with 180 two open 179
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2011-04-26
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1. Line Defect: dry in the product during transit, touching something sharp, causing dry loose but not off, DES when the liquid infiltration, the etched copper surface, but the roots, copper foil;
2. pad fracture: bad picture can be seen from the fracture causes of this product mainly for welding or soldering process after the FPC staff job improper operation (high temperature soldering iron, solder too long) or caused by the severe external shock. Democratic Secretary of each pad as FPC have done 100% electrical test, the test will be if breakage NG, also produced if the Democratic Secretary, the biggest is probably the product to severe physical shock to appear broken, if it is Produced this reason, the back pad and tape around the corresponding damage will crease, but the image of this view, this is not the phenomenon is not so bad our generation; please customers to help investigate the cause.
1. Line Defect: dry fit the product in transit must use the material transfer box, and place the product can not exceed 2LOT, so as not to dry loose, scratch; 3.29 persons responsible have been implemented
2. pad broken: Democratic Secretary has to do 100% electrical testing, electrical test after test electronic products would have a needle mark foolproof, if fault (open) the phenomenon of the test will be NG.
- C1 open circuit on behalf of the representative on behalf of line U5 5 Description: The first five products 179 and 180 are opened.
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