Hi Roland,

Of these shops that you visited, did you ask any of them if they were 
evaluating the cleanliness of their products?  How often they performed such 
testing? And could they provide proof of the testing they've done? It may be 
that they do some other form of validation testing that yields better 
results than the typical ROSE methodology.

Best Regards,

Joe Russeau
Process Analyst

Precision Analytical Laboratory, Inc.
4106 Cartwright Drive, Ste A
Kokomo, IN 46902
P: 765-455-1993
F: 765-455-1996
www.precisionanalysts.com



----- Original Message ----- 
From: "Roland Jaquet" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, October 03, 2007 9:31 AM
Subject: [TN] Ionic Cleanliness - Clean No-Clean


> Dear Technetters,
>
> I have some concerns regarding small/medium Assembly shops, several I
> visited lately do not have equipment to proceed with Ionic Contamination -
> How can it be not justified not to have one?
>
> If production is for IPC Class 3 - would you require the Assembly shop to
> have a contaminometer ?
>
> For No-Clean - would you justify not to have a contaminometer?
>
> My understanding is that - any shop doing cleaning (clean / no-Clean) need
> to have one in order to know if the process is functional or only visual..
>
> Any Assembly shop doing tropicalization need to be equipped and measure
> prior to spray, deep coat, etc..
>
> I also have been surprised with assembly shops that have all their
> production employees working without gloves? Is it common practice?
>
> In advance, thank you for your replies
>
> Meilleures Salutations
> Very Best Regards
> Roland
>
> www.PCBspecialist.com
> Roland Jaquet
> 14 Champ Budin
> 1258 Perly, GENEVA
> SWTZERLAND
> TEL+41-22-880-0405 GSM+41-79-203-3723 FAX +41-22-880-0409
> "Quality is best measured not by the return of the products but by the
> return of the customers"
>
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