Jose Antonio
Sorry it should read micrograms per square centimetre and I agree, it would
be nice to be able to use symbols in emails
--
Regards Graham Naisbitt
[log in to unmask]
Concoat Limited - Engineering Reliability in Electronics
A British Manufacturer
www.conformalcoating.com www.concoat.co.uk www.concoatsystems.com
Golf Quote of the week: Every time I try to tell myself this is going to be
fun today. I try to put myself in a great frame of mind before I go out -
then screw it up with the first shot!
Cell: 079 6858 2121
Office: +44 (0)1252 813706
> Hello together!
>
> Graham,
>
> I have a little confunsion with the units of the ionic contamination... are
> they "mg/cm2" or "microgram/cm2"?
>
> It would be a good thing to be able in Outlook to include greek letters!
>
> Best regards
>
> --
> José Antonio García Ontalba
>
> Quality department
> NAGARES, S.A.
> Ctra. Madrid-Valencia, Km. 196
> 16200 Motilla del Palancar (Spain)
> Tel: 00 34 969 18 00 21
> Fax: 00 34 969 33 11 31
> E-mail: [log in to unmask]
> --
>
>
> -----Mensaje original-----
> De: TechNet [mailto:[log in to unmask]]En nombre de Douglas O. Pauls
> Enviado el: martes, 31 de agosto de 2004 22:21
> Para: [log in to unmask]
> Asunto: Re: [TN] Ionic contamination of PCA
>
>
> Graham,
> The hanging one is a piece of "rope", which, by the way is 8.4 meters long.
> String is entirely different.
>
> I would be curious as to the studies which set the 0.2 microgram / cm2
> level. Use of a more modern dart board, no doubt.
> Doug Pauls
>
>
>
>
> Graham Naisbitt
> <Graham.Naisbitt@con To: IPC TechNet
> <[log in to unmask]>, Doug Pauls <[log in to unmask]>
> coat.co.uk> cc:
> Subject: Re: [TN] Ionic
> contamination of PCA
> 08/31/2004 08:48 AM
>
>
>
>
>
>
> Doug
>
> If that is the piece of string you were keeping to hang someone with, its
> too short!
>
> Irving,
>
> Most of our customers presently employ a go/no-go at something less than
> 0.2microgrammes of NaCl equivalence per cm2. The old 1.5 limit may be too
> high for many modern circuit designs. Remember, that old spec should be
> interpreted as: It is acceptable to leave UP TO 1.5mg/cm2 on your assembly
> surface, and that cant be a good thing.
>
> --
> Regards Graham Naisbitt
>
> [log in to unmask]
>
> Concoat Limited - Engineering Reliability in Electronics
> A British Manufacturer
>
> www.conformalcoating.com www.concoat.co.uk www.concoatsystems.com
>
> Golf Quote of the week: I may be the only golfer never to have broken a
> single putter...if you don¹t count the one I twisted into a loop and threw
> into a bush.
>
>
>
> ---------------------------------------------------
> Technet Mail List provided as a service by IPC using LISTSERV 1.8e
> 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)
> To receive ONE mailing per day of all the posts: send e-mail to
> [log in to unmask]: SET Technet Digest
> Search the archives of previous posts at: http://listserv.ipc.org/archives
> Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16
> for additional information, or contact Keach Sasamori at [log in to unmask] or
> 847-509-9700 ext.5315
> -----------------------------------------------------
>
>
>
>
> __________ Información emitida por NOD32 __________
>
> Este mensaje ha sido verificado por NOD32 antivirus system.
> http://www.nod32.com
>
> ---------------------------------------------------
> Technet Mail List provided as a service by IPC using LISTSERV 1.8e
> 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)
> To receive ONE mailing per day of all the posts: send e-mail to
> [log in to unmask]: SET Technet Digest
> Search the archives of previous posts at: http://listserv.ipc.org/archives
> Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for
> additional information, or contact Keach Sasamori at [log in to unmask] or
> 847-509-9700 ext.5315
> -----------------------------------------------------
>
---------------------------------------------------
Technet Mail List provided as a service by IPC using LISTSERV 1.8e
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)
To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest
Search the archives of previous posts at: http://listserv.ipc.org/archives
Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315
-----------------------------------------------------
|
