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September 2004

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Subject:
From:
Phil Nutting <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Phil Nutting <[log in to unmask]>
Date:
Fri, 10 Sep 2004 09:57:29 -0400
Content-Type:
text/plain
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text/plain (156 lines)
Jose,

There are several ways to add Greek letters and other symbols.  Part of is using the extended characters that can be generated by having the "Num Lock" on your keyboard on and the holding the "Alt" key while entering the 4 digit ASCII code for the characters above those shown on your key board.  I have a document that I can share of the standard character set.  The other choice is highlighting the characters and choosing a Greek or Universal Math font which may have been loaded onto your computer when you loaded Microsoft Office, Corel Office Suite or other graphics programs you may have now on your system.  With this method you may have to make a conversion chart between the standard QWERTY keyboard characters and the ASCII extended characters as listed above, but it will open up a whole new area of clarity.

Here are a couple of ASCII codes to try. (use the first process listed above.)

Mu = ASCII 0181 = µ
Degrees = 0176 = °
the Cent symbol (my 2¢) = 0162 = ¢
pounds Sterling = 0163 = £
Yen = 0165 = ¥
plus/minus = 0177 = ±
Trade mark = 0153 = (tm)
copywrite = 0169 = ©
registered = 0174 = ®

Included in this set are all the special characters with accents and umlauts, the C with the squiggle tail used in Spanish, the N with the tilde, etc.

The standard letter set ends at ASCII 0126, but the range goes to ASCII 0255.  Check it out.

Phil

-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Jose Antonio Garcia
Ontalba
Sent: Friday, September 10, 2004 2:57 AM
To: [log in to unmask]
Subject: Re: [TN] Ionic contamination of PCA


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.



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