Dear Techies,
Thanks very much on all the replies given with some being put in a very
funny way. It is always nice to have you guys around to make my days.
Thanks once again.
Regards,
Wee Mei
----- Original Message -----
From: "Dehoyos, Ramon" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, December 09, 2005 9:17 PM
Subject: Re: [TN] SV: [TN] What is this solder mask defect?
> The roller or whatever mechanical instrument is used to press
> the solder mask has a debris that is wearing out as it rolls over the
> boards. That foreign material ( in shape of a man sitting and holding a
> Frisbee in his right hand and waving bye with it) is leaving an imprint
> on the boards. The operator more than likely already cleaned the
> evidence.
> Regards,
> Ramon
>
>
>
> Inge: The name is Wee Mei
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Ingemar Hernefjord
> Sent: Thursday, December 08, 2005 12:31 PM
> To: [log in to unmask]
> Subject: [TN] SV: [TN] What is this solder mask defect?
>
> Woe, Wee,
> Have seen something like. In our case it was a repetetive mechanical
> damage, kind of small imprint, was quite harmless.
> Inge
>
>
>>
>> Hello,
>>
>> The suspect is completely flat and smooth to touch. An interesting
>> observation is that though it appear at the same location for all the
>> 10pcs of board, the size of the image tend to get smaller and smaller
>> if the boards are arranged starting with the largest image. It can't
>> be soda strawing as it is not on trace. It can't be pink ring as it is
>
>> not around hole. What can it be? What is the likely cause?
>>
>> Will ask Steve to put it up. Kindly take a look. Your opinion is
> greatly
>> appreciated.
>>
>> Regards,
>> Wee Mei
>>
>>
>
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