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Subject:	RE: Cleanliness of assembled boards
From:	"Graham Naisbitt" <[log in to unmask]>
Date:	Wed, 25 Jun 97 23:01:08 UT
Content-Type:	text/plain
Parts/Attachments:	text/plain (52 lines)

As you will no doubt have surmised, how DO you cleanliness test no-clean. 
Further, if you do, how clean is clean? I 1(g per inch2 of salt better than 
10? Will the board work OK?

For these reasons please refer to the IPC 9201 SIR (Surface Insulation 
Resistance) Test Handbook.

SIR Testing is able to inform you if your circuit is reliable - it will not 
inform you of what may be on the surface.

Another test is IC (Ion Chromatography) that will tell you what is on the 
surface but not whether the circuit is reliable.

SIR testing equipment is now available with frequent monitoring to reduce test 
times to a few hours not days. 

If you can provide me with your snailmail address, I will send more 
information.

[log in to unmask]

-----Original Message-----
From:	MATI BARUCH 
Sent:	26 June 1997 04:40
To:	[log in to unmask]
Subject:	Cleanliness of assembled boards

The ANSI/J-STD-001 specifies cleanliness of assembled boards after 
clean process. What are the requirements for assembled boards with flax 
no-clean. 

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