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From:
"Stadem, Richard D." <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Stadem, Richard D.
Date:
Mon, 10 Dec 2007 12:12:17 -0600
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I have asked JEDEC if they have such a standard, and am waiting for
their response. I would expect JEDEC would be the appropriate source for
such a document. 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Graham Naisbitt
Sent: Monday, December 10, 2007 11:56 AM
To: [log in to unmask]
Subject: Re: [TN] IPC Documents Dealing with Cleanliness?

Hi Rich

Thanks for the intro Doug. Now to give you the fullest answer to the IEC
question:

No there aren't....but I could always write one.....what would you like
to see in such a document?

No kidding, I genuinely wonder what we would need to have in the
document that would be helpful to users. If you have any thoughts, let
me know - and if you do know of any groups preparing such a thing, it
would be helpful to have contact details.


...and I am bracing myself to see Dewey's response to the Laser v
Selective soldering issue....Yikes.

Kindest regards,

Graham Naisbitt

[log in to unmask]



On 7 Dec 2007, at 14:13, Douglas O. Pauls wrote:

> Richard,
> To my knowledge, IPC has no documents addressing the issues of 
> required cleanliness of components.  I did some research a few years 
> ago and IPC specs only deal with cleanliness of boards and assemblies.

> There have been no specification efforts related to components from 
> the Cleaning and Cleanliness committees, which I chair.  The most that

> you see is "warm and fuzzy" statements like the components should be 
> clean and free of harmful substances, but nothing with more teeth than

> that.
>
> I do not know if there are any IEC specifications which might.  You 
> might check on the IEC web site, www.iec.ch.  Graham Naisbitt, a 
> valued contributor here on the Net, has more experience with IEC specs

> and may be better able to answer that one.
>
> Doug Pauls
>
>
>
>
> Richard Kraszewski <[log in to unmask]> Sent by: TechNet 
> <[log in to unmask]>
> 12/05/2007 08:30 PM
> Please respond to
> TechNet E-Mail Forum <[log in to unmask]>; Please respond to Richard 
> Kraszewski <[log in to unmask]>
>
>
> To
> [log in to unmask]
> cc
>
> Subject
> [TN] IPC Documents Dealing with Cleanliness?
>
>
>
>
>
>
> I know that documents and standards exist for assemblies & PCB's, but 
> are any of you aware of any IPC (or other industry) documents that 
> deal with the cleanliness (both residual and/or particulate) of 
> components or mechanical parts such as housings, heat sinks, etc?
>
> Rumor has it that there are some purchasing trade groups that may also

> address this topic.
>
>
> Rich K
> Kimball - GTS
>
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