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Subject:	Dielectric constant vs degree of cure , FR4
From:	tech <[log in to unmask]>
Reply To:	TechNet E-Mail Forum.
Date:	Thu, 29 Nov 2001 10:00:45 -0500
Content-Type:	text/plain
Parts/Attachments:	text/plain (16 lines)

Does the dielectric constant ( and resultant impedance results) of FR4
vary with degree of cure of the resin system ? I.e can multi layer press
parameters influence finished board impedances ? Any info. will be
appreciated.
Paul Greene

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