John,
Not if they do their homework and do the proper testing to show that the
tweak in reactivity won't put them on dangerous ground. That is why
there are tests like copper mirror, halide ion, British corrosion test,
SIR and electrochemical migration.
Bev
RIM
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of John Burke
Sent: January 9, 2007 12:02 PM
To: [log in to unmask]
Subject: Re: [TN] Cleaning
That's what I was thinking Brian...................8-)
With the change to lead free and the various "wetting" issues a lot of
people are using a more active flux if only to make the joints "look"
more
like 63/37 and as a result are having to use cleaning systems to remove
the
flux.
Of course the ones that do not remove the flux will find out eventually
why
they should have done!!
John
John Burke
(408) 515 4992
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Brian Ellis
Sent: Tuesday, January 09, 2007 2:43 AM
To: [log in to unmask]
Subject: Re: [TN] Cleaning
Peter
I'd bet water will be >15% this time.
Brian
Peter Swanson wrote:
> Just a follow up from last week.
>
> The SMART Group has conducted cleaning surveys in the past on their
> website.
>
> This survey was conducted in 2002 and received 79 votes cast:
> 1. No-Clean 61%
> 2. Nitrogen with No-Clean 14%
> 3. Water Wash 15%
> 4. Solvent Clean 6%
> 5. Semi Aqueous 4%
>
> At that time, then, about 75% of the participants did not clean. The
> geographic profile is unknown (as any visitor to the website can cast
a
> vote, anonymously), although I expect it was European biased. Five
years
> later, I would guess no-clean to be a bit more popular. We'll see, a
new
> cleaning survey has just gone up!
>
> Not rigorously scientific, of course, just an indication of industry
> trends.
>
> Regards,
> Peter
> --------------------------------------------------------
> Peter Swanson [log in to unmask]
> INTERTRONICS http://www.intertronics.co.uk
> Tel: +44 1865 842842 Oxfordshire, England
>
> INTERTRONICS is dedicated to providing quality material, consumable
> and equipment solutions to the high technology, high performance
> assembly industries, incorporating outstanding levels of technical
> support and customer service.
>
> Read our blog! http://www.intertronics.co.uk/blog/blog.htm
>
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