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January 2020

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Subject:
Re: [External] [TN] FW: IPC-2223D, Sectional Design Standard for Flexible/Rigid-Flexible Printed Board
From:
Nigel Burtt <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Nigel Burtt <[log in to unmask]>
Date:
Thu, 23 Jan 2020 06:39:48 -0600
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If I'm understanding the query correctly, having seen something similar recently on a flexi-rigid we found that IPC 6013, section 3.3.1.3 was relevant.

Imperfections in the transition zone rigid to flexi (1.5mm either side of the join) are AABUS or as per purchase documents and not a cause for rejection otherwise.

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