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July 2006

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Subject:
From:
Baski Devre <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Baski Devre <[log in to unmask]>
Date:
Thu, 13 Jul 2006 19:14:47 +0300
Content-Type:
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text/plain (270 lines)
Mike

I have not received any responce from Peter yet. I am looking forward to 
his responce and secondly " e alternative to salt is vigilance and more 
dross" What does vigilance mean is it a brand name? is this chemical 
cause more dross? . As a responce to Mr. Sedlak we have been working 
with alfachemicals but their stock is about to exhaust as far as I know.
Regards

Yusuf

Mike Fenner yazmış:

>I think you have your answer on the salts from Peter: If you buy a large
>amount to prevent being caught out again, just take care to keep it dry to
>prevent caking into lumps and spitting when you use it.
>
>
>
>Regards 
>
>Mike Fenner 
>Indium Corporation 
>
>T: + 44 1908 580 400 
>M: + 44 7810 526 317 
>F: + 44 1908 580 411 
>E: [log in to unmask] 
>W: www.indium.com 
>Pb-free: www.Pb-Free.com 
>
>
>
>-----Original Message-----
>From: TechNet [mailto:[log in to unmask]] On Behalf Of Baski Devre
>Sent: 13 July 2006 14:27
>To: [log in to unmask]
>Subject: Re: [TN] Roller Tinning Process
>
>Dear Sedlak and Mike
>Is it possible for you to give us more info about water soluble oil and 
>do you have any brand that you will suggest us
>Best Regards
>
>Yusuf GÖMEÇ
>Product Quality Engineer
>
>
>BASKI DEVRE SAN ve TIC LTD STI
>Ceyhan Sk. No:10 34896 Pendik-Istanbul-Turkey
>Tel: 00 90 216 3901036 (4 Hat/Line)-173(Extention)
>     00 90 216 4836560 (4 Hat/Line)-173(Extention)
>Fax: 00 90 216 3544941
>     00 90 216 4913269
>Gsm: 00 90 533 6579897
>     00 90 533 7480014 
>msn: [log in to unmask]
>
>
>
>R Sedlak yazmış:
>
>  
>
>>Thanks for the explanation... I have heard/seen water soluble oil being
>>    
>>
>used in roller tinning, and it apparently worked well.. have never heard of
>salt being used until now.
>  
>
>> Rudy Sedlak
>>
>>Mike Fenner <[log in to unmask]> wrote:
>> The salt controls dross on the pot and (sometimes forgotten) ensures the
>>bottom roller remains tinned. The alternative to salt is vigilance and more
>>dross. Possibly you could use a [so called] water soluble oil, but I have
>>never seen this done, as these were introduced after roller tinning fell
>>    
>>
>out
>  
>
>>of use in Europe.
>>Roller tinning is an old process, but cheap. I think the nearest modern
>>equivalent process, to think of as an alternative, would be Hot Air Solder
>>Levelling. This would give much better or at least consistent solderability
>>and not have the blips on the trailing edge of pads.
>>
>>
>>Regards
>>
>>Mike Fenner
>>Indium Corporation
>>
>>T: + 44 1908 580 400
>>M: + 44 7810 526 317
>>F: + 44 1908 580 411
>>E: [log in to unmask]
>>W: www.indium.com
>>Pb-free: www.Pb-Free.com
>>
>>
>>
>>
>>-----Original Message-----
>>From: TechNet [mailto:[log in to unmask]] On Behalf Of Baski Devre
>>Sent: 12 July 2006 16:39
>>To: [log in to unmask]
>>Subject: [TN] Roller Tinning Process
>>
>>Dear Technetters
>>As you know that some PCB manufacturer uses roller tinning soldering
>>process. In this process firstly flux is spread over PCB and then passed
>>through rollers to be soldered. In this solder alloy sometimes a bit
>>salt is added to improve soldering quality and help solder to be appread
>>bright. I want to learn that if there is any alternative material used
>>in roller tinning soldering process to elaminate salt or is there any
>>alternative roller tinning soldering process flow.
>>Thanks in advance to your comments and knowledge share
>>Best Regards
>>
>>--
>>Yusuf GÖMEÇ
>>Product Quality Engineer
>>
>>
>>BASKI DEVRE SAN ve TIC LTD STI
>>Ceyhan Sk. No:10 34896 Pendik-Istanbul-Turkey
>>Tel: 00 90 216 3901036 (4 Hat/Line)-173(Extention)
>>00 90 216 4836560 (4 Hat/Line)-173(Extention)
>>Fax: 00 90 216 3544941
>>00 90 216 4913269
>>Gsm: 00 90 533 6579897
>>00 90 533 7480014
>>msn: [log in to unmask]
>>
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-- 
Yusuf GÖMEÇ
Product Quality Engineer


BASKI DEVRE SAN ve TIC LTD STI
Ceyhan Sk. No:10 34896 Pendik-Istanbul-Turkey
Tel: 00 90 216 3901036 (4 Hat/Line)-173(Extention)
     00 90 216 4836560 (4 Hat/Line)-173(Extention)
Fax: 00 90 216 3544941
     00 90 216 4913269
Gsm: 00 90 533 6579897
     00 90 533 7480014 
msn: [log in to unmask]

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To unsubscribe, send a message to [log in to unmask] with following text in
the BODY (NOT the subject field): SIGNOFF Technet
To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL)
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Search the archives of previous posts at: http://listserv.ipc.org/archives
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