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Subject:	Re: PWB Moisture
From:	MAURY HARRIS <[log in to unmask]>
Reply To:	TechNet E-Mail Forum.
Date:	Tue, 15 Jan 2002 16:04:51 -0600
Content-Type:	text/plain
Parts/Attachments:	text/plain (50 lines)

Dan,

Moisture content of a PWB is measured by weighing the PWB,
typically to within .00 gram.  I started by weighing PWB as
received from supplier, oven baked and weighed again.  Then,
I compared difference. Now I need to know what is allowable
and document that addresses PWB moisture prior to reflow.

Thank you,

Maury Harris

-----Original Message-----
From: Dan R. Johnson [mailto:[log in to unmask]]
Sent: Tuesday, January 15, 2002 2:42 PM
To: [log in to unmask]
Subject: Re: [TN] PWB Moisture


Maybe you could measure conductance? Like a wood moisture meter.
Dan

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