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July 1998

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Subject:
Re: no clean fluxes
From:
"Noppadol S." <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Sat, 25 Jul 1998 15:33:40 +0700
Content-Type:
text/plain
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text/plain (51 lines) 
Dear sir,
        Please try the Qualitek solder paste #670S1 for SMT, it is the low flux
residue solder paste. I have experience with it, it pass contaminant test
perform IPC standard by our cutomer. For PTH is Alpha metal, Telecore
plus1.2% flux core, 0.5% dia, this one has passed the test also. For
noclean flux removing please try Alpha metal # EC-7M.

Best regards,
Noppadol S.

At 15:00 24/7/98 -0700, you wrote:
>Hello.
>
>  I am needing a way to determine if flux residue from "no - clean" flux
>is a problem with reliablity on fr4 pcbas. IPC standards are unclear and
>suggest test methods that are excessively costly for me.  Is there any
>products that may help me determine the contamination level (cheap) or
>do you have "safe" cleaners ?.
>
>Thanks
>
>Cheyenne Noda
>[log in to unmask]
>
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