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Subject:	Re: Circuit Card Cleanliness
From:	Mark Austin <[log in to unmask]>
Reply To:	TechNet E-Mail Forum.
Date:	Mon, 22 Mar 1999 16:05:00 +0000
Content-Type:	text/plain
Parts/Attachments:	text/plain (67 lines)

Dave

We are using an Ionograph Contaminometer (ZI 100) and the MIL spec limit for
this type of tester is 37ug per square inch when used in the un-timed
setting.

I cant recall the number of the MIL spec but someone else out-there may
know.



===== Original Message from [log in to unmask] (TechNet E-Mail Forum.) at
22/03/99 13:01
>IPC,
>
>
>I am using IPC - CH - 65 Guide for cleaning PCB's.
>
>I am using an Ionograph Contaminometer to check contamination levels
>on populated boards.
>Is there a standard max level for the surface area of a board, such
>as 1.5ug / SQ CM.
>
>The Ionograph does not quote a standard max level.
>I will be greateful for any help you can give.
>
>Best Regards,
>
>Dave,   Quality  Control  Technician.
>
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Mark Austin (Process Engineer)
ACW Technology Limited
Hylton Road
Petersfield
GU32 3XX
ENGLAND

TEL - +44 (0) 1730 300000
FAX - +44 (0) 1730 266045

Email - [log in to unmask]

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To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body:
To subscribe:   SUBSCRIBE TechNet <your full name>
To unsubscribe:   SIGNOFF TechNet 
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Please visit IPC's web site (http://www.ipc.org) "On-Line Services" section for additional information.
For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312
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