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Mon, 22 Mar 1999 16:05:00 +0000 |
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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
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Petersfield
GU32 3XX
ENGLAND
TEL - +44 (0) 1730 300000
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Email - [log in to unmask]
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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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